diff options
| author | Dave Airlie <airlied@redhat.com> | 2017-11-04 05:43:44 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2017-11-04 05:43:44 +1000 |
| commit | 36a5fdf76d3281345e000e115f33817570a76420 (patch) | |
| tree | f575bdc6b5800b4c0113c8c4c733aa3980b072b4 /drivers | |
| parent | bf6eb600e5b835a96d676b2b9df603362a1e714c (diff) | |
| parent | cdc1cdca2d91c477ce33d5c02dc6be0d2b939247 (diff) | |
| download | linux-stable-36a5fdf76d3281345e000e115f33817570a76420.tar.gz linux-stable-36a5fdf76d3281345e000e115f33817570a76420.tar.bz2 linux-stable-36a5fdf76d3281345e000e115f33817570a76420.zip | |
Merge tag 'drm-intel-next-2017-10-23' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
This time really the last i915 batch for v4.15:
- PSR state tracking in crtc state (Ville)
- Fix eviction when the GGTT is idle but full (Chris)
- BDW DP aux channel timeout fix (James)
- LSPCON detection fixes (Shashank)
- Use for_each_pipe to iterate over pipes (Mika Kahola)
- Replace *_reference/unreference() or *_ref/unref with _get/put() (Harsha)
- Refactoring and preparation for DDI encoder type cleanup (Ville)
- Broadwell DDI FDI buf translation fix (Chris)
- Read CSB and CSB write pointer from HWSP in GVT-g VM if available (Weinan)
- GuC/HuC firmware loader refactoring (Michal)
- Make shrinking more effective and not stall so much (Chris)
- Cannonlake PLL fixes (Rodrigo)
- DP MST connector error propagation fixes (James)
- Convert timers to use timer_setup (Kees Cook)
- Skylake plane enable/disable unification (Juha-Pekka)
- Fix to actually free driver internal objects when requested (Chris)
- DDI buf trans refactoring (Ville)
- Skip waking the device to service pwrite (Chris)
- Improve DSI VBT backlight parsing abstraction (Madhav)
- Cannonlake VBT DDC pin mapping fix (Rodrigo)
* tag 'drm-intel-next-2017-10-23' of git://anongit.freedesktop.org/drm/drm-intel: (87 commits)
drm/i915: Update DRIVER_DATE to 20171023
drm/i915/cnl: Map VBT DDC Pin to BSpec DDC Pin.
drm/i915: Let's use more enum intel_dpll_id pll_id.
drm/i915: Use existing DSI backlight ports info
drm/i915: Parse DSI backlight/cabc ports.
drm/i915: Skip waking the device to service pwrite
drm/i915/crt: split compute_config hook by platforms
drm/i915: remove g4x lowfreq_avail and has_pipe_cxsr
drm/i915: Drop the redundant hdmi prefix/suffix from a lot of variables
drm/i915: Unify error handling for missing DDI buf trans tables
drm/i915: Centralize the SKL DDI A/E vs. B/C/D buf trans handling
drm/i915: Kill off the BXT buf_trans default_index
drm/i915: Pass encoder type to cnl_ddi_vswing_sequence() explicitly
drm/i915: Integrate BXT into intel_ddi_dp_voltage_max()
drm/i915: Pass the level to intel_prepare_hdmi_ddi_buffers()
drm/i915: Pass the encoder type explicitly to skl_set_iboost()
drm/i915: Extract intel_ddi_get_buf_trans_hdmi()
drm/i915: Relocate intel_ddi_get_buf_trans_*() functions
drm/i915: Flush the idle-worker for debugfs/i915_drop_caches
drm/i915: adjust get_crtc_fence_y_offset() to use base.y instead of crtc.y
...
Diffstat (limited to 'drivers')
60 files changed, 1945 insertions, 1387 deletions
diff --git a/drivers/gpu/drm/drm_dp_dual_mode_helper.c b/drivers/gpu/drm/drm_dp_dual_mode_helper.c index 0ef9011a1856..02a50929af67 100644 --- a/drivers/gpu/drm/drm_dp_dual_mode_helper.c +++ b/drivers/gpu/drm/drm_dp_dual_mode_helper.c @@ -410,6 +410,7 @@ int drm_lspcon_get_mode(struct i2c_adapter *adapter, { u8 data; int ret = 0; + int retry; if (!mode) { DRM_ERROR("NULL input\n"); @@ -417,10 +418,19 @@ int drm_lspcon_get_mode(struct i2c_adapter *adapter, } /* Read Status: i2c over aux */ - ret = drm_dp_dual_mode_read(adapter, DP_DUAL_MODE_LSPCON_CURRENT_MODE, - &data, sizeof(data)); + for (retry = 0; retry < 6; retry++) { + if (retry) + usleep_range(500, 1000); + + ret = drm_dp_dual_mode_read(adapter, + DP_DUAL_MODE_LSPCON_CURRENT_MODE, + &data, sizeof(data)); + if (!ret) + break; + } + if (ret < 0) { - DRM_ERROR("LSPCON read(0x80, 0x41) failed\n"); + DRM_DEBUG_KMS("LSPCON read(0x80, 0x41) failed\n"); return -EFAULT; } diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 66d23b619db1..6c3b0481ef82 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -64,7 +64,7 @@ i915-y += intel_uc.o \ intel_guc.o \ intel_guc_ct.o \ intel_guc_log.o \ - intel_guc_loader.o \ + intel_guc_fw.o \ intel_huc.o \ i915_guc_submission.o diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 0bb6e01121fc..c65e381b85f3 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -83,7 +83,7 @@ static char get_active_flag(struct drm_i915_gem_object *obj) static char get_pin_flag(struct drm_i915_gem_object *obj) { - return obj->pin_display ? 'p' : ' '; + return obj->pin_global ? 'p' : ' '; } static char get_tiling_flag(struct drm_i915_gem_object *obj) @@ -180,8 +180,8 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) pin_count++; } seq_printf(m, " (pinned x %d)", pin_count); - if (obj->pin_display) - seq_printf(m, " (display)"); + if (obj->pin_global) + seq_printf(m, " (global)"); list_for_each_entry(vma, &obj->vma_list, obj_link) { if (!drm_mm_node_allocated(&vma->node)) continue; @@ -271,7 +271,9 @@ static int i915_gem_stolen_list_info(struct seq_file *m, void *data) goto out; total_obj_size = total_gtt_size = count = 0; - list_for_each_entry(obj, &dev_priv->mm.bound_list, global_link) { + + spin_lock(&dev_priv->mm.obj_lock); + list_for_each_entry(obj, &dev_priv->mm.bound_list, mm.link) { if (count == total) break; @@ -283,7 +285,7 @@ static int i915_gem_stolen_list_info(struct seq_file *m, void *data) total_gtt_size += i915_gem_obj_total_ggtt_size(obj); } - list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_link) { + list_for_each_entry(obj, &dev_priv->mm.unbound_list, mm.link) { if (count == total) break; @@ -293,6 +295,7 @@ static int i915_gem_stolen_list_info(struct seq_file *m, void *data) objects[count++] = obj; total_obj_size += obj->base.size; } + spin_unlock(&dev_priv->mm.obj_lock); sort(objects, count, sizeof(*objects), obj_rank_by_stolen, NULL); @@ -454,7 +457,9 @@ static int i915_gem_object_info(struct seq_file *m, void *data) mapped_size = mapped_count = 0; purgeable_size = purgeable_count = 0; huge_size = huge_count = 0; - list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_link) { + + spin_lock(&dev_priv->mm.obj_lock); + list_for_each_entry(obj, &dev_priv->mm.unbound_list, mm.link) { size += obj->base.size; ++count; @@ -477,11 +482,11 @@ static int i915_gem_object_info(struct seq_file *m, void *data) seq_printf(m, "%u unbound objects, %llu bytes\n", count, size); size = count = dpy_size = dpy_count = 0; - list_for_each_entry(obj, &dev_priv->mm.bound_list, global_link) { + list_for_each_entry(obj, &dev_priv->mm.bound_list, mm.link) { size += obj->base.size; ++count; - if (obj->pin_display) { + if (obj->pin_global) { dpy_size += obj->base.size; ++dpy_count; } @@ -502,6 +507,8 @@ static int i915_gem_object_info(struct seq_file *m, void *data) page_sizes |= obj->mm.page_sizes.sg; } } + spin_unlock(&dev_priv->mm.obj_lock); + seq_printf(m, "%u bound objects, %llu bytes\n", count, size); seq_printf(m, "%u purgeable objects, %llu bytes\n", @@ -512,7 +519,7 @@ static int i915_gem_object_info(struct seq_file *m, void *data) huge_count, stringify_page_sizes(page_sizes, buf, sizeof(buf)), huge_size); - seq_printf(m, "%u display objects (pinned), %llu bytes\n", + seq_printf(m, "%u display objects (globally pinned), %llu bytes\n", dpy_count, dpy_size); seq_printf(m, "%llu [%llu] gtt total\n", @@ -568,32 +575,46 @@ static int i915_gem_gtt_info(struct seq_file *m, void *data) struct drm_info_node *node = m->private; struct drm_i915_private *dev_priv = node_to_i915(node); struct drm_device *dev = &dev_priv->drm; - bool show_pin_display_only = !!node->info_ent->data; + struct drm_i915_gem_object **objects; struct drm_i915_gem_object *obj; u64 total_obj_size, total_gtt_size; + unsigned long nobject, n; int count, ret; + nobject = READ_ONCE(dev_priv->mm.object_count); + objects = kvmalloc_array(nobject, sizeof(*objects), GFP_KERNEL); + if (!objects) + return -ENOMEM; + ret = mutex_lock_interruptible(&dev->struct_mutex); if (ret) return ret; - total_obj_size = total_gtt_size = count = 0; - list_for_each_entry(obj, &dev_priv->mm.bound_list, global_link) { - if (show_pin_display_only && !obj->pin_display) - continue; + count = 0; + spin_lock(&dev_priv->mm.obj_lock); + list_for_each_entry(obj, &dev_priv->mm.bound_list, mm.link) { + objects[count++] = obj; + if (count == nobject) + break; + } + spin_unlock(&dev_priv->mm.obj_lock); + + total_obj_size = total_gtt_size = 0; + for (n = 0; n < count; n++) { + obj = objects[n]; seq_puts(m, " "); describe_obj(m, obj); seq_putc(m, '\n'); total_obj_size += obj->base.size; total_gtt_size += i915_gem_obj_total_ggtt_size(obj); - count++; } mutex_unlock(&dev->struct_mutex); seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n", count, total_obj_size, total_gtt_size); + kvfree(objects); return 0; } @@ -643,54 +664,6 @@ static int i915_gem_batch_pool_info(struct seq_file *m, void *data) return 0; } -static void print_request(struct seq_file *m, - struct drm_i915_gem_request *rq, - const char *prefix) -{ - seq_printf(m, "%s%x [%x:%x] prio=%d @ %dms: %s\n", prefix, - rq->global_seqno, rq->ctx->hw_id, rq->fence.seqno, - rq->priotree.priority, - jiffies_to_msecs(jiffies - rq->emitted_jiffies), - rq->timeline->common->name); -} - -static int i915_gem_request_info(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct drm_i915_gem_request *req; - struct intel_engine_cs *engine; - enum intel_engine_id id; - int ret, any; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - - any = 0; - for_each_engine(engine, dev_priv, id) { - int count; - - count = 0; - list_for_each_entry(req, &engine->timeline->requests, link) - count++; - if (count == 0) - continue; - - seq_printf(m, "%s requests: %d\n", engine->name, count); - list_for_each_entry(req, &engine->timeline->requests, link) - print_request(m, req, " "); - - any++; - } - mutex_unlock(&dev->struct_mutex); - - if (any == 0) - seq_puts(m, "No requests\n"); - - return 0; -} - static void i915_ring_seqno_info(struct seq_file *m, struct intel_engine_cs *engine) { @@ -2386,27 +2359,13 @@ static int i915_llc(struct seq_file *m, void *data) static int i915_huc_load_status_info(struct seq_file *m, void *data) { struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct intel_uc_fw *huc_fw = &dev_priv->huc.fw; + struct drm_printer p; if (!HAS_HUC_UCODE(dev_priv)) return 0; - seq_puts(m, "HuC firmware status:\n"); - seq_printf(m, "\tpath: %s\n", huc_fw->path); - seq_printf(m, "\tfetch: %s\n", - intel_uc_fw_status_repr(huc_fw->fetch_status)); - seq_printf(m, "\tload: %s\n", - intel_uc_fw_status_repr(huc_fw->load_status)); - seq_printf(m, "\tversion wanted: %d.%d\n", - huc_fw->major_ver_wanted, huc_fw->minor_ver_wanted); - seq_printf(m, "\tversion found: %d.%d\n", - huc_fw->major_ver_found, huc_fw->minor_ver_found); - seq_printf(m, "\theader: offset is %d; size = %d\n", - huc_fw->header_offset, huc_fw->header_size); - seq_printf(m, "\tuCode: offset is %d; size = %d\n", - huc_fw->ucode_offset, huc_fw->ucode_size); - seq_printf(m, "\tRSA: offset is %d; size = %d\n", - huc_fw->rsa_offset, huc_fw->rsa_size); + p = drm_seq_file_printer(m); + intel_uc_fw_dump(&dev_priv->huc.fw, &p); intel_runtime_pm_get(dev_priv); seq_printf(m, "\nHuC status 0x%08x:\n", I915_READ(HUC_STATUS2)); @@ -2418,29 +2377,14 @@ static int i915_huc_load_status_info(struct seq_file *m, void *data) static int i915_guc_load_status_info(struct seq_file *m, void *data) { struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct intel_uc_fw *guc_fw = &dev_priv->guc.fw; + struct drm_printer p; u32 tmp, i; if (!HAS_GUC_UCODE(dev_priv)) return 0; - seq_printf(m, "GuC firmware status:\n"); - seq_printf(m, "\tpath: %s\n", - guc_fw->path); - seq_printf(m, "\tfetch: %s\n", - intel_uc_fw_status_repr(guc_fw->fetch_status)); - seq_printf(m, "\tload: %s\n", - intel_uc_fw_status_repr(guc_fw->load_status)); - seq_printf(m, "\tversion wanted: %d.%d\n", - guc_fw->major_ver_wanted, guc_fw->minor_ver_wanted); - seq_printf(m, "\tversion found: %d.%d\n", - guc_fw->major_ver_found, guc_fw->minor_ver_found); - seq_printf(m, "\theader: offset is %d; size = %d\n", - guc_fw->header_offset, guc_fw->header_size); - seq_printf(m, "\tuCode: offset is %d; size = %d\n", - guc_fw->ucode_offset, guc_fw->ucode_size); - seq_printf(m, "\tRSA: offset is %d; size = %d\n", - guc_fw->rsa_offset, guc_fw->rsa_size); + p = drm_seq_file_printer(m); + intel_uc_fw_dump(&dev_priv->guc.fw, &p); intel_runtime_pm_get(dev_priv); @@ -3310,6 +3254,16 @@ static int i915_engine_info(struct seq_file *m, void *unused) return 0; } +static int i915_shrinker_info(struct seq_file *m, void *unused) +{ + struct drm_i915_private *i915 = node_to_i915(m->private); + + seq_printf(m, "seeks = %d\n", i915->mm.shrinker.seeks); + seq_printf(m, "batch = %lu\n", i915->mm.shrinker.batch); + + return 0; +} + static int i915_semaphore_status(struct seq_file *m, void *unused) { struct drm_i915_private *dev_priv = node_to_i915(m->private); @@ -4225,18 +4179,20 @@ DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops, i915_ring_test_irq_get, i915_ring_test_irq_set, "0x%08llx\n"); -#define DROP_UNBOUND 0x1 -#define DROP_BOUND 0x2 -#define DROP_RETIRE 0x4 -#define DROP_ACTIVE 0x8 -#define DROP_FREED 0x10 -#define DROP_SHRINK_ALL 0x20 +#define DROP_UNBOUND BIT(0) +#define DROP_BOUND BIT(1) +#define DROP_RETIRE BIT(2) +#define DROP_ACTIVE BIT(3) +#define DROP_FREED BIT(4) +#define DROP_SHRINK_ALL BIT(5) +#define DROP_IDLE BIT(6) #define DROP_ALL (DROP_UNBOUND | \ DROP_BOUND | \ DROP_RETIRE | \ DROP_ACTIVE | \ DROP_FREED | \ - DROP_SHRINK_ALL) + DROP_SHRINK_ALL |\ + DROP_IDLE) static int i915_drop_caches_get(void *data, u64 *val) { @@ -4252,7 +4208,8 @@ i915_drop_caches_set(void *data, u64 val) struct drm_device *dev = &dev_priv->drm; int ret = 0; - DRM_DEBUG("Dropping caches: 0x%08llx\n", val); + DRM_DEBUG("Dropping caches: 0x%08llx [0x%08llx]\n", + val, val & DROP_ALL); /* No need to check and wait for gpu resets, only libdrm auto-restarts * on ioctls on -EAGAIN. */ @@ -4283,6 +4240,9 @@ i915_drop_caches_set(void *data, u64 val) i915_gem_shrink_all(dev_priv); fs_reclaim_release(GFP_KERNEL); + if (val & DROP_IDLE) + drain_delayed_work(&dev_priv->gt.idle_work); + if (val & DROP_FREED) { synchronize_rcu(); i915_gem_drain_freed_objects(dev_priv); @@ -4751,9 +4711,7 @@ static const struct drm_info_list i915_debugfs_list[] = { {"i915_capabilities", i915_capabilities, 0}, {"i915_gem_objects", i915_gem_object_info, 0}, {"i915_gem_gtt", i915_gem_gtt_info, 0}, - {"i915_gem_pin_display", i915_gem_gtt_info, 0, (void *)1}, {"i915_gem_stolen", i915_gem_stolen_list_info }, - {"i915_gem_request", i915_gem_request_info, 0}, {"i915_gem_seqno", i915_gem_seqno_info, 0}, {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0}, {"i915_gem_interrupt", i915_interrupt_info, 0}, @@ -4791,6 +4749,7 @@ static const struct drm_info_list i915_debugfs_list[] = { {"i915_dmc_info", i915_dmc_info, 0}, {"i915_display_info", i915_display_info, 0}, {"i915_engine_info", i915_engine_info, 0}, + {"i915_shrinker_info", i915_shrinker_info, 0}, {"i915_semaphore_status", i915_semaphore_status, 0}, {"i915_shared_dplls_info", i915_shared_dplls_info, 0}, {"i915_dp_mst_info", i915_dp_mst_info, 0}, diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index c7b2ca6aff05..54b5d4c582b6 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -80,8 +80,8 @@ #define DRIVER_NAME "i915" #define DRIVER_DESC "Intel Graphics" -#define DRIVER_DATE "20171012" -#define DRIVER_TIMESTAMP 1507831511 +#define DRIVER_DATE "20171023" +#define DRIVER_TIMESTAMP 1508748913 /* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and * WARN_ON()) for hw state sanity checks to check for unexpected conditions @@ -785,7 +785,6 @@ struct intel_csr { func(has_logical_ring_contexts); \ func(has_logical_ring_preemption); \ func(has_overlay); \ - func(has_pipe_cxsr); \ func(has_pooled_eu); \ func(has_psr); \ func(has_rc6); \ @@ -1108,6 +1107,16 @@ struct intel_fbc { int src_w; int src_h; bool visible; + /* + * Display surface base address adjustement for + * pageflips. Note that on gen4+ this only adjusts up + * to a tile, offsets within a tile are handled in + * the hw itself (with the TILEOFF register). + */ + int adjusted_x; + int adjusted_y; + + int y; } plane; struct { @@ -1490,6 +1499,9 @@ struct i915_gem_mm { * always the inner lock when overlapping with struct_mutex. */ struct mutex stolen_lock; + /* Protects bound_list/unbound_list and #drm_i915_gem_object.mm.link */ + spinlock_t obj_lock; + /** List of all objects in gtt_space. Used to restore gtt * mappings on resume */ struct list_head bound_list; @@ -1510,6 +1522,7 @@ struct i915_gem_mm { */ struct llist_head free_list; struct work_struct free_work; + spinlock_t free_lock; /** * Small stash of WC pages @@ -1765,6 +1778,8 @@ struct intel_vbt_data { u16 panel_id; struct mipi_config *config; struct mipi_pps_data *pps; + u16 bl_ports; + u16 cabc_ports; u8 seq_version; u32 size; u8 *data; @@ -1960,13 +1975,7 @@ struct i915_wa_reg { u32 mask; }; -/* - * RING_MAX_NONPRIV_SLOTS is per-engine but at this point we are only - * allowing it for RCS as we don't foresee any requirement of having - * a whitelist for other engines. When it is really required for - * other engines then the limit need to be increased. - */ -#define I915_MAX_WA_REGS (16 + RING_MAX_NONPRIV_SLOTS) +#define I915_MAX_WA_REGS 16 struct i915_workarounds { struct i915_wa_reg reg[I915_MAX_WA_REGS]; @@ -3077,6 +3086,7 @@ intel_info(const struct drm_i915_private *dev_priv) #define CNL_REVID_A0 0x0 #define CNL_REVID_B0 0x1 +#define CNL_REVID_C0 0x2 #define IS_CNL_REVID(p, since, until) \ (IS_CANNONLAKE(p) && IS_REVID(p, since, until)) @@ -3168,7 +3178,6 @@ intel_info(const struct drm_i915_private *dev_priv) #define I915_HAS_HOTPLUG(dev_priv) ((dev_priv)->info.has_hotplug) #define HAS_FW_BLC(dev_priv) (INTEL_GEN(dev_priv) > 2) -#define HAS_PIPE_CXSR(dev_priv) ((dev_priv)->info.has_pipe_cxsr) #define HAS_FBC(dev_priv) ((dev_priv)->info.has_fbc) #define HAS_CUR_FBC(dev_priv) (!HAS_GMCH_DISPLAY(dev_priv) && INTEL_INFO(dev_priv)->gen >= 7) @@ -3565,10 +3574,16 @@ i915_gem_object_pin_pages(struct drm_i915_gem_object *obj) return __i915_gem_object_get_pages(obj); } +static inline bool +i915_gem_object_has_pages(struct drm_i915_gem_object *obj) +{ + return !IS_ERR_OR_NULL(READ_ONCE(obj->mm.pages)); +} + static inline void __i915_gem_object_pin_pages(struct drm_i915_gem_object *obj) { - GEM_BUG_ON(!obj->mm.pages); + GEM_BUG_ON(!i915_gem_object_has_pages(obj)); atomic_inc(&obj->mm.pages_pin_count); } @@ -3582,8 +3597,8 @@ i915_gem_object_has_pinned_pages(struct drm_i915_gem_object *obj) static inline void __i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj) { + GEM_BUG_ON(!i915_gem_object_has_pages(obj)); GEM_BUG_ON(!i915_gem_object_has_pinned_pages(obj)); - GEM_BUG_ON(!obj->mm.pages); atomic_dec(&obj->mm.pages_pin_count); } diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 49762bc21ed6..026cb52ece0b 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -56,7 +56,7 @@ static bool cpu_write_needs_clflush(struct drm_i915_gem_object *obj) if (!(obj->cache_coherent & I915_BO_CACHE_COHERENT_FOR_WRITE)) return true; - return obj->pin_display; + return obj->pin_global; /* currently in use by HW, keep flushed */ } static int @@ -1240,7 +1240,23 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj, if (ret) return ret; - intel_runtime_pm_get(i915); + if (i915_gem_object_has_struct_page(obj)) { + /* + * Avoid waking the device up if we can fallback, as + * waking/resuming is very slow (worst-case 10-100 ms + * depending on PCI sleeps and our own resume time). + * This easily dwarfs any performance advantage from + * using the cache bypass of indirect GGTT access. + */ + if (!intel_runtime_pm_get_if_in_use(i915)) { + ret = -EFAULT; + goto out_unlock; + } + } else { + /* No backing pages, no fallback, we must force GGTT access */ + intel_runtime_pm_get(i915); + } + vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, PIN_MAPPABLE | PIN_NONFAULT | @@ -1257,7 +1273,7 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj, if (IS_ERR(vma)) { ret = insert_mappable_node(ggtt, &node, PAGE_SIZE); if (ret) - goto out_unlock; + goto out_rpm; GEM_BUG_ON(!node.allocated); } @@ -1320,8 +1336,9 @@ out_unpin: } else { i915_vma_unpin(vma); } -out_unlock: +out_rpm: intel_runtime_pm_put(i915); +out_unlock: mutex_unlock(&i915->drm.struct_mutex); return ret; } @@ -1537,6 +1554,8 @@ static void i915_gem_object_bump_inactive_ggtt(struct drm_i915_gem_object *obj) struct list_head *list; struct i915_vma *vma; + GEM_BUG_ON(!i915_gem_object_has_pinned_pages(obj)); + list_for_each_entry(vma, &obj->vma_list, obj_link) { if (!i915_vma_is_ggtt(vma)) break; @@ -1551,8 +1570,10 @@ static void i915_gem_object_bump_inactive_ggtt(struct drm_i915_gem_object *obj) } i915 = to_i915(obj->base.dev); + spin_lock(&i915->mm.obj_lock); list = obj->bind_count ? &i915->mm.bound_list : &i915->mm.unbound_list; - list_move_tail(&obj->global_link, list); + list_move_tail(&obj->mm.link, list); + spin_unlock(&i915->mm.obj_lock); } /** @@ -2196,7 +2217,7 @@ void __i915_gem_object_invalidate(struct drm_i915_gem_object *obj) struct address_space *mapping; lockdep_assert_held(&obj->mm.lock); - GEM_BUG_ON(obj->mm.pages); + GEM_BUG_ON(i915_gem_object_has_pages(obj)); switch (obj->mm.madv) { case I915_MADV_DONTNEED: @@ -2253,13 +2274,14 @@ static void __i915_gem_object_reset_page_iter(struct drm_i915_gem_object *obj) void __i915_gem_object_put_pages(struct drm_i915_gem_object *obj, enum i915_mm_subclass subclass) { + struct drm_i915_private *i915 = to_i915(obj->base.dev); struct sg_table *pages; if (i915_gem_object_has_pinned_pages(obj)) return; GEM_BUG_ON(obj->bind_count); - if (!READ_ONCE(obj->mm.pages)) + if (!i915_gem_object_has_pages(obj)) return; /* May be called by shrinker from within get_pages() (on another bo) */ @@ -2273,6 +2295,10 @@ void __i915_gem_object_put_pages(struct drm_i915_gem_object *obj, pages = fetch_and_zero(&obj->mm.pages); GEM_BUG_ON(!pages); + spin_lock(&i915->mm.obj_lock); + list_del(&obj->mm.link); + spin_unlock(&i915->mm.obj_lock); + if (obj->mm.mapping) { void *ptr; @@ -2507,7 +2533,7 @@ void __i915_gem_object_set_pages(struct drm_i915_gem_object *obj, obj->mm.pages = pages; if (i915_gem_object_is_tiled(obj) && - to_i915(obj->base.dev)->quirks & QUIRK_PIN_SWIZZLED_PAGES) { + i915->quirks & QUIRK_PIN_SWIZZLED_PAGES) { GEM_BUG_ON(obj->mm.quirked); __i915_gem_object_pin_pages(obj); obj->mm.quirked = true; @@ -2529,8 +2555,11 @@ void __i915_gem_object_set_pages(struct drm_i915_gem_object *obj, if (obj->mm.page_sizes.phys & ~0u << i) obj->mm.page_sizes.sg |= BIT(i); } - GEM_BUG_ON(!HAS_PAGE_SIZES(i915, obj->mm.page_sizes.sg)); + + spin_lock(&i915->mm.obj_lock); + list_add(&obj->mm.link, &i915->mm.unbound_list); + spin_unlock(&i915->mm.obj_lock); } static int ____i915_gem_object_get_pages(struct drm_i915_gem_object *obj) @@ -2563,7 +2592,7 @@ int __i915_gem_object_get_pages(struct drm_i915_gem_object *obj) if (err) return err; - if (unlikely(IS_ERR_OR_NULL(obj->mm.pages))) { + if (unlikely(!i915_gem_object_has_pages(obj))) { GEM_BUG_ON(i915_gem_object_has_pinned_pages(obj)); err = ____i915_gem_object_get_pages(obj); @@ -2648,7 +2677,7 @@ void *i915_gem_object_pin_map(struct drm_i915_gem_object *obj, type &= ~I915_MAP_OVERRIDE; if (!atomic_inc_not_zero(&obj->mm.pages_pin_count)) { - if (unlikely(IS_ERR_OR_NULL(obj->mm.pages))) { + if (unlikely(!i915_gem_object_has_pages(obj))) { GEM_BUG_ON(i915_gem_object_has_pinned_pages(obj)); ret = ____i915_gem_object_get_pages(obj); @@ -2660,7 +2689,7 @@ void *i915_gem_object_pin_map(struct drm_i915_gem_object *obj, atomic_inc(&obj->mm.pages_pin_count); pinned = false; } - GEM_BUG_ON(!obj->mm.pages); + GEM_BUG_ON(!i915_gem_object_has_pages(obj)); ptr = page_unpack_bits(obj->mm.mapping, &has_type); if (ptr && has_type != type) { @@ -2715,7 +2744,7 @@ i915_gem_object_pwrite_gtt(struct drm_i915_gem_object *obj, * allows it to avoid the cost of retrieving a page (either swapin * or clearing-before-use) before it is overwritten. */ - if (READ_ONCE(obj->mm.pages)) + if (i915_gem_object_has_pages(obj)) return -ENODEV; if (obj->mm.madv != I915_MADV_WILLNEED) @@ -3090,7 +3119,6 @@ void i915_gem_reset_finish(struct drm_i915_private *dev_priv) static void nop_submit_request(struct drm_i915_gem_request *request) { - GEM_BUG_ON(!i915_terminally_wedged(&request->i915->gpu_error)); dma_fence_set_error(&request->fence, -EIO); i915_gem_request_submit(request); @@ -3100,7 +3128,6 @@ static void nop_complete_submit_request(struct drm_i915_gem_request *request) { unsigned long flags; - GEM_BUG_ON(!i915_terminally_wedged(&request->i915->gpu_error)); dma_fence_set_error(&request->fence, -EIO); spin_lock_irqsave(&request->engine->timeline->lock, flags); @@ -3498,7 +3525,7 @@ static void __i915_gem_object_flush_for_display(struct drm_i915_gem_object *obj) void i915_gem_object_flush_if_display(struct drm_i915_gem_object *obj) { - if (!READ_ONCE(obj->pin_display)) + if (!READ_ONCE(obj->pin_global)) return; mutex_lock(&obj->base.dev->struct_mutex); @@ -3865,10 +3892,10 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj, lockdep_assert_held(&obj->base.dev->struct_mutex); - /* Mark the pin_display early so that we account for the + /* Mark the global pin early so that we account for the * display coherency whilst setting up the cache domains. */ - obj->pin_display++; + obj->pin_global++; /* The display engine is not coherent with the LLC cache on gen6. As * a result, we make sure that the pinning that is about to occur is @@ -3884,7 +3911,7 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj, I915_CACHE_WT : I915_CACHE_NONE); if (ret) { vma = ERR_PTR(ret); - goto err_unpin_display; + goto err_unpin_global; } /* As the user may map the buffer once pinned in the display plane @@ -3915,7 +3942,7 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj, vma = i915_gem_object_ggtt_pin(obj, view, 0, alignment, flags); } if (IS_ERR(vma)) - goto err_unpin_display; + goto err_unpin_global; vma->display_alignment = max_t(u64, vma->display_alignment, alignment); @@ -3930,8 +3957,8 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj, return vma; -err_unpin_display: - obj->pin_display--; +err_unpin_global: + obj->pin_global--; return vma; } @@ -3940,10 +3967,10 @@ i915_gem_object_unpin_from_display_plane(struct i915_vma *vma) { lockdep_assert_held(&vma->vm->i915->drm.struct_mutex); - if (WARN_ON(vma->obj->pin_display == 0)) + if (WARN_ON(vma->obj->pin_global == 0)) return; - if (--vma->obj->pin_display == 0) + if (--vma->obj->pin_global == 0) vma->display_alignment = I915_GTT_MIN_ALIGNMENT; /* Bump the LRU to try and avoid premature eviction whilst flipping */ @@ -4283,7 +4310,7 @@ i915_gem_madvise_ioctl(struct drm_device *dev, void *data, if (err) goto out; - if (obj->mm.pages && + if (i915_gem_object_has_pages(obj) && i915_gem_object_is_tiled(obj) && dev_priv->quirks & QUIRK_PIN_SWIZZLED_PAGES) { if (obj->mm.madv == I915_MADV_WILLNEED) { @@ -4302,7 +4329,8 @@ i915_gem_madvise_ioctl(struct drm_device *dev, void *data, obj->mm.madv = args->madv; /* if the object is no longer attached, discard its backing storage */ - if (obj->mm.madv == I915_MADV_DONTNEED && !obj->mm.pages) + if (obj->mm.madv == I915_MADV_DONTNEED && + !i915_gem_object_has_pages(obj)) i915_gem_object_truncate(obj); args->retained = obj->mm.madv != __I915_MADV_PURGED; @@ -4328,7 +4356,6 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj, { mutex_init(&obj->mm.lock); - INIT_LIST_HEAD(&obj->global_link); INIT_LIST_HEAD(&obj->vma_list); INIT_LIST_HEAD(&obj->lut_list); INIT_LIST_HEAD(&obj->batch_pool_link); @@ -4483,13 +4510,14 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915, { struct drm_i915_gem_object *obj, *on; - mutex_lock(&i915->drm.struct_mutex); intel_runtime_pm_get(i915); - llist_for_each_entry(obj, freed, freed) { + llist_for_each_entry_safe(obj, on, freed, freed) { struct i915_vma *vma, *vn; trace_i915_gem_object_destroy(obj); + mutex_lock(&i915->drm.struct_mutex); + GEM_BUG_ON(i915_gem_object_is_active(obj)); list_for_each_entry_safe(vma, vn, &obj->vma_list, obj_link) { @@ -4500,14 +4528,20 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915, GEM_BUG_ON(!list_empty(&obj->vma_list)); GEM_BUG_ON(!RB_EMPTY_ROOT(&obj->vma_tree)); - list_del(&obj->global_link); - } - intel_runtime_pm_put(i915); - mutex_unlock(&i915->drm.struct_mutex); + /* This serializes freeing with the shrinker. Since the free + * is delayed, first by RCU then by the workqueue, we want the + * shrinker to be able to free pages of unreferenced objects, + * or else we may oom whilst there are plenty of deferred + * freed objects. + */ + if (i915_gem_object_has_pages(obj)) { + spin_lock(&i915->mm.obj_lock); + list_del_init(&obj->mm.link); + spin_unlock(&i915->mm.obj_lock); + } - cond_resched(); + mutex_unlock(&i915->drm.struct_mutex); - llist_for_each_entry_safe(obj, on, freed, freed) { GEM_BUG_ON(obj->bind_count); GEM_BUG_ON(obj->userfault_count); GEM_BUG_ON(atomic_read(&obj->frontbuffer_bits)); @@ -4519,7 +4553,7 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915, if (WARN_ON(i915_gem_object_has_pinned_pages(obj))) atomic_set(&obj->mm.pages_pin_count, 0); __i915_gem_object_put_pages(obj, I915_MM_NORMAL); - GEM_BUG_ON(obj->mm.pages); + GEM_BUG_ON(i915_gem_object_has_pages(obj)); if (obj->base.import_attach) drm_prime_gem_destroy(&obj->base, NULL); @@ -4530,16 +4564,29 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915, kfree(obj->bit_17); i915_gem_object_free(obj); + + if (on) + cond_resched(); } + intel_runtime_pm_put(i915); } static void i915_gem_flush_free_objects(struct drm_i915_private *i915) { struct llist_node *freed; - freed = llist_del_all(&i915->mm.free_list); - if (unlikely(freed)) + /* Free the oldest, most stale object to keep the free_list short */ + freed = NULL; + if (!llist_empty(&i915->mm.free_list)) { /* quick test for hotpath */ + /* Only one consumer of llist_del_first() allowed */ + spin_lock(&i915->mm.free_lock); + freed = llist_del_first(&i915->mm.free_list); + spin_unlock(&i915->mm.free_lock); + } + if (unlikely(freed)) { + freed->next = NULL; __i915_gem_free_objects(i915, freed); + } } static void __i915_gem_free_work(struct work_struct *work) @@ -4840,6 +4887,10 @@ int i915_gem_init_hw(struct drm_i915_private *dev_priv) init_unused_rings(dev_priv); BUG_ON(!dev_priv->kernel_context); + if (i915_terminally_wedged(&dev_priv->gpu_error)) { + ret = -EIO; + goto out; + } ret = i915_ppgtt_init_hw(dev_priv); if (ret) { @@ -4938,8 +4989,10 @@ int i915_gem_init(struct drm_i915_private *dev_priv) * wedged. But we only want to do this where the GPU is angry, * for all other failure, such as an allocation failure, bail. */ - DRM_ERROR("Failed to initialize GPU, declaring it wedged\n"); - i915_gem_set_wedged(dev_priv); + if (!i915_terminally_wedged(&dev_priv->gpu_error)) { + DRM_ERROR("Failed to initialize GPU, declaring it wedged\n"); + i915_gem_set_wedged(dev_priv); + } ret = 0; } @@ -5039,11 +5092,15 @@ i915_gem_load_init(struct drm_i915_private *dev_priv) goto err_priorities; INIT_WORK(&dev_priv->mm.free_work, __i915_gem_free_work); + + spin_lock_init(&dev_priv->mm.obj_lock); + spin_lock_init(&dev_priv->mm.free_lock); init_llist_head(&dev_priv->mm.free_list); INIT_LIST_HEAD(&dev_priv->mm.unbound_list); INIT_LIST_HEAD(&dev_priv->mm.bound_list); INIT_LIST_HEAD(&dev_priv->mm.fence_list); INIT_LIST_HEAD(&dev_priv->mm.userfault_list); + INIT_DELAYED_WORK(&dev_priv->gt.retire_work, i915_gem_retire_work_handler); INIT_DELAYED_WORK(&dev_priv->gt.idle_work, @@ -5137,12 +5194,12 @@ int i915_gem_freeze_late(struct drm_i915_private *dev_priv) i915_gem_shrink(dev_priv, -1UL, NULL, I915_SHRINK_UNBOUND); i915_gem_drain_freed_objects(dev_priv); - mutex_lock(&dev_priv->drm.struct_mutex); + spin_lock(&dev_priv->mm.obj_lock); for (p = phases; *p; p++) { - list_for_each_entry(obj, *p, global_link) + list_for_each_entry(obj, *p, mm.link) __start_cpu_write(obj); } - mutex_unlock(&dev_priv->drm.struct_mutex); + spin_unlock(&dev_priv->mm.obj_lock); return 0; } @@ -5461,7 +5518,17 @@ int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj, int align) goto err_unlock; } - pages = obj->mm.pages; + pages = fetch_and_zero(&obj->mm.pages); + if (pages) { + struct drm_i915_private *i915 = to_i915(obj->base.dev); + + __i915_gem_object_reset_page_iter(obj); + + spin_lock(&i915->mm.obj_lock); + list_del(&obj->mm.link); + spin_unlock(&i915->mm.obj_lock); + } + obj->ops = &i915_gem_phys_ops; err = ____i915_gem_object_get_pages(obj); diff --git a/drivers/gpu/drm/i915/i915_gem_clflush.c b/drivers/gpu/drm/i915/i915_gem_clflush.c index 8a04d33055be..f663cd919795 100644 --- a/drivers/gpu/drm/i915/i915_gem_clflush.c +++ b/drivers/gpu/drm/i915/i915_gem_clflush.c @@ -70,6 +70,7 @@ static const struct dma_fence_ops i915_clflush_ops = { static void __i915_do_clflush(struct drm_i915_gem_object *obj) { + GEM_BUG_ON(!i915_gem_object_has_pages(obj)); drm_clflush_sg(obj->mm.pages); intel_fb_obj_flush(obj, ORIGIN_CPU); } diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c index ee4811ffb7aa..8daa8a78cdc0 100644 --- a/drivers/gpu/drm/i915/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/i915_gem_evict.c @@ -33,6 +33,10 @@ #include "intel_drv.h" #include "i915_trace.h" +I915_SELFTEST_DECLARE(static struct igt_evict_ctl { + bool fail_if_busy:1; +} igt_evict_ctl;) + static bool ggtt_is_idle(struct drm_i915_private *i915) { struct intel_engine_cs *engine; @@ -205,6 +209,9 @@ search_again: * the kernel's there is no more we can evict. */ if (!ggtt_is_idle(dev_priv)) { + if (I915_SELFTEST_ONLY(igt_evict_ctl.fail_if_busy)) + return -EBUSY; + ret = ggtt_flush(dev_priv); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index daba55a4fce2..527a2d2d6281 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -3594,8 +3594,7 @@ void i915_gem_restore_gtt_mappings(struct drm_i915_private *dev_priv) ggtt->base.closed = true; /* skip rewriting PTE on VMA unbind */ /* clflush objects bound into the GGTT and rebind them. */ - list_for_each_entry_safe(obj, on, - &dev_priv->mm.bound_list, global_link) { + list_for_each_entry_safe(obj, on, &dev_priv->mm.bound_list, mm.link) { bool ggtt_bound = false; struct i915_vma *vma; diff --git a/drivers/gpu/drm/i915/i915_gem_object.h b/drivers/gpu/drm/i915/i915_gem_object.h index d67f1cbe842d..63ce38c1cce9 100644 --- a/drivers/gpu/drm/i915/i915_gem_object.h +++ b/drivers/gpu/drm/i915/i915_gem_object.h @@ -114,7 +114,6 @@ struct drm_i915_gem_object { /** Stolen memory for this object, instead of being backed by shmem. */ struct drm_mm_node *stolen; - struct list_head global_link; union { struct rcu_head rcu; struct llist_node freed; @@ -161,7 +160,8 @@ struct drm_i915_gem_object { /** Count of VMA actually bound by this object */ unsigned int bind_count; unsigned int active_count; - unsigned int pin_display; + /** Count of how many global VMA are currently pinned for use by HW */ + unsigned int pin_global; struct { struct mutex lock; /* protects the pages and their use */ @@ -208,6 +208,12 @@ struct drm_i915_gem_object { } get_page; /** + * Element within i915->mm.unbound_list or i915->mm.bound_list, + * locked by i915->mm.obj_lock. + */ + struct list_head link; + + /** * Advice: are the backing pages purgeable? */ unsigned int madv:2; diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.c b/drivers/gpu/drm/i915/i915_gem_render_state.c index 4dd4c2159a92..3703dc91eeda 100644 --- a/drivers/gpu/drm/i915/i915_gem_render_state.c +++ b/drivers/gpu/drm/i915/i915_gem_render_state.c @@ -229,7 +229,7 @@ int i915_gem_render_state_emit(struct drm_i915_gem_request *req) return 0; /* Recreate the page after shrinking */ - if (!so->vma->obj->mm.pages) + if (!i915_gem_object_has_pages(so->vma->obj)) so->batch_offset = -1; ret = i915_vma_pin(so->vma, 0, 0, PIN_GLOBAL | PIN_HIGH); diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c index 74002b2d1b6f..eb31f8aa5c21 100644 --- a/drivers/gpu/drm/i915/i915_gem_shrinker.c +++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c @@ -71,25 +71,6 @@ static void shrinker_unlock(struct drm_i915_private *dev_priv, bool unlock) mutex_unlock(&dev_priv->drm.struct_mutex); } -static bool any_vma_pinned(struct drm_i915_gem_object *obj) -{ - struct i915_vma *vma; - - list_for_each_entry(vma, &obj->vma_list, obj_link) { - /* Only GGTT vma may be permanently pinned, and are always - * at the start of the list. We can stop hunting as soon - * as we see a ppGTT vma. - */ - if (!i915_vma_is_ggtt(vma)) - break; - - if (i915_vma_is_pinned(vma)) - return true; - } - - return false; -} - static bool swap_available(void) { return get_nr_swap_pages() > 0; @@ -97,9 +78,6 @@ static bool swap_available(void) static bool can_release_pages(struct drm_i915_gem_object *obj) { - if (!obj->mm.pages) - return false; - /* Consider only shrinkable ojects. */ if (!i915_gem_object_is_shrinkable(obj)) return false; @@ -115,7 +93,13 @@ static bool can_release_pages(struct drm_i915_gem_object *obj) if (atomic_read(&obj->mm.pages_pin_count) > obj->bind_count) return false; - if (any_vma_pinned(obj)) + /* If any vma are "permanently" pinned, it will prevent us from + * reclaiming the obj->mm.pages. We only allow scanout objects to claim + * a permanent pin, along with a few others like the context objects. + * To simplify the scan, and to avoid walking the list of vma under the + * object, we just check the count of its permanently pinned. + */ + if (READ_ONCE(obj->pin_global)) return false; /* We can only return physical pages to the system if we can either @@ -129,7 +113,7 @@ static bool unsafe_drop_pages(struct drm_i915_gem_object *obj) { if (i915_gem_object_unbind(obj) == 0) __i915_gem_object_put_pages(obj, I915_MM_SHRINKER); - return !READ_ONCE(obj->mm.pages); + return !i915_gem_object_has_pages(obj); } /** @@ -217,15 +201,20 @@ i915_gem_shrink(struct drm_i915_private *dev_priv, continue; INIT_LIST_HEAD(&still_in_list); + + /* + * We serialize our access to unreferenced objects through + * the use of the struct_mutex. While the objects are not + * yet freed (due to RCU then a workqueue) we still want + * to be able to shrink their pages, so they remain on + * the unbound/bound list until actually freed. + */ + spin_lock(&dev_priv->mm.obj_lock); while (count < target && (obj = list_first_entry_or_null(phase->list, typeof(*obj), - global_link))) { - list_move_tail(&obj->global_link, &still_in_list); - if (!obj->mm.pages) { - list_del_init(&obj->global_link); - continue; - } + mm.link))) { + list_move_tail(&obj->mm.link, &still_in_list); if (flags & I915_SHRINK_PURGEABLE && obj->mm.madv != I915_MADV_DONTNEED) @@ -243,20 +232,24 @@ i915_gem_shrink(struct drm_i915_private *dev_priv, if (!can_release_pages(obj)) continue; + spin_unlock(&dev_priv->mm.obj_lock); + if (unsafe_drop_pages(obj)) { /* May arrive from get_pages on another bo */ mutex_lock_nested(&obj->mm.lock, I915_MM_SHRINKER); - if (!obj->mm.pages) { + if (!i915_gem_object_has_pages(obj)) { __i915_gem_object_invalidate(obj); - list_del_init(&obj->global_link); count += obj->base.size >> PAGE_SHIFT; } mutex_unlock(&obj->mm.lock); - scanned += obj->base.size >> PAGE_SHIFT; } + scanned += obj->base.size >> PAGE_SHIFT; + + spin_lock(&dev_priv->mm.obj_lock); } list_splice_tail(&still_in_list, phase->list); + spin_unlock(&dev_priv->mm.obj_lock); } if (flags & I915_SHRINK_BOUND) @@ -302,28 +295,39 @@ unsigned long i915_gem_shrink_all(struct drm_i915_private *dev_priv) static unsigned long i915_gem_shrinker_count(struct shrinker *shrinker, struct shrink_control *sc) { - struct drm_i915_private *dev_priv = + struct drm_i915_private *i915 = container_of(shrinker, struct drm_i915_private, mm.shrinker); struct drm_i915_gem_object *obj; - unsigned long count; - bool unlock; - - if (!shrinker_lock(dev_priv, &unlock)) - return 0; - - i915_gem_retire_requests(dev_priv); + unsigned long num_objects = 0; + unsigned long count = 0; - count = 0; - list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_link) - if (can_release_pages(obj)) + spin_lock(&i915->mm.obj_lock); + list_for_each_entry(obj, &i915->mm.unbound_list, mm.link) + if (can_release_pages(obj)) { count += obj->base.size >> PAGE_SHIFT; + num_objects++; + } - list_for_each_entry(obj, &dev_priv->mm.bound_list, global_link) { - if (!i915_gem_object_is_active(obj) && can_release_pages(obj)) + list_for_each_entry(obj, &i915->mm.bound_list, mm.link) + if (!i915_gem_object_is_active(obj) && can_release_pages(obj)) { count += obj->base.size >> PAGE_SHIFT; - } + num_objects++; + } + spin_unlock(&i915->mm.obj_lock); - shrinker_unlock(dev_priv, unlock); + /* Update our preferred vmscan batch size for the next pass. + * Our rough guess for an effective batch size is roughly 2 + * available GEM objects worth of pages. That is we don't want + * the shrinker to fire, until it is worth the cost of freeing an + * entire GEM object. + */ + if (num_objects) { + unsigned long avg = 2 * count / num_objects; + + i915->mm.shrinker.batch = + max((i915->mm.shrinker.batch + avg) >> 1, + 128ul /* default SHRINK_BATCH */); + } return count; } @@ -400,10 +404,6 @@ i915_gem_shrinker_oom(struct notifier_block *nb, unsigned long event, void *ptr) container_of(nb, struct drm_i915_private, mm.oom_notifier); struct drm_i915_gem_object *obj; unsigned long unevictable, bound, unbound, freed_pages; - bool unlock; - - if (!shrinker_lock_uninterruptible(dev_priv, &unlock, 5000)) - return NOTIFY_DONE; freed_pages = i915_gem_shrink_all(dev_priv); @@ -412,26 +412,20 @@ i915_gem_shrinker_oom(struct notifier_block *nb, unsigned long event, void *ptr) * being pointed to by hardware. */ unbound = bound = unevictable = 0; - list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_link) { - if (!obj->mm.pages) - continue; - + spin_lock(&dev_priv->mm.obj_lock); + list_for_each_entry(obj, &dev_priv->mm.unbound_list, mm.link) { if (!can_release_pages(obj)) unevictable += obj->base.size >> PAGE_SHIFT; else unbound += obj->base.size >> PAGE_SHIFT; } - list_for_each_entry(obj, &dev_priv->mm.bound_list, global_link) { - if (!obj->mm.pages) - continue; - + list_for_each_entry(obj, &dev_priv->mm.bound_list, mm.link) { if (!can_release_pages(obj)) unevictable += obj->base.size >> PAGE_SHIFT; else bound += obj->base.size >> PAGE_SHIFT; } - - shrinker_unlock(dev_priv, unlock); + spin_unlock(&dev_priv->mm.obj_lock); if (freed_pages || unbound || bound) pr_info("Purging GPU memory, %lu pages freed, " @@ -498,6 +492,7 @@ void i915_gem_shrinker_init(struct drm_i915_private *dev_priv) dev_priv->mm.shrinker.scan_objects = i915_gem_shrinker_scan; dev_priv->mm.shrinker.count_objects = i915_gem_shrinker_count; dev_priv->mm.shrinker.seeks = DEFAULT_SEEKS; + dev_priv->mm.shrinker.batch = 4096; WARN_ON(register_shrinker(&dev_priv->mm.shrinker)); dev_priv->mm.oom_notifier.notifier_call = i915_gem_shrinker_oom; diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 54fd4cfa9d07..03e7abc7e043 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -724,8 +724,11 @@ i915_gem_object_create_stolen_for_preallocated(struct drm_i915_private *dev_priv vma->flags |= I915_VMA_GLOBAL_BIND; __i915_vma_set_map_and_fenceable(vma); list_move_tail(&vma->vm_link, &ggtt->base.inactive_list); - list_move_tail(&obj->global_link, &dev_priv->mm.bound_list); + + spin_lock(&dev_priv->mm.obj_lock); + list_move_tail(&obj->mm.link, &dev_priv->mm.bound_list); obj->bind_count++; + spin_unlock(&dev_priv->mm.obj_lock); return obj; diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index fb5231f98c0d..1294cf695df0 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -269,7 +269,7 @@ i915_gem_object_set_tiling(struct drm_i915_gem_object *obj, * due to the change in swizzling. */ mutex_lock(&obj->mm.lock); - if (obj->mm.pages && + if (i915_gem_object_has_pages(obj) && obj->mm.madv == I915_MADV_WILLNEED && i915->quirks & QUIRK_PIN_SWIZZLED_PAGES) { if (tiling == I915_TILING_NONE) { diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c index 4d712a4db63b..e26b23171b56 100644 --- a/drivers/gpu/drm/i915/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/i915_gem_userptr.c @@ -82,11 +82,11 @@ static void cancel_userptr(struct work_struct *work) /* We are inside a kthread context and can't be interrupted */ if (i915_gem_object_unbind(obj) == 0) __i915_gem_object_put_pages(obj, I915_MM_NORMAL); - WARN_ONCE(obj->mm.pages, - "Failed to release pages: bind_count=%d, pages_pin_count=%d, pin_display=%d\n", + WARN_ONCE(i915_gem_object_has_pages(obj), + "Failed to release pages: bind_count=%d, pages_pin_count=%d, pin_global=%d\n", obj->bind_count, atomic_read(&obj->mm.pages_pin_count), - obj->pin_display); + obj->pin_global); mutex_unlock(&obj->base.dev->struct_mutex); @@ -221,15 +221,17 @@ i915_mmu_notifier_find(struct i915_mm_struct *mm) /* Protected by mm_lock */ mm->mn = fetch_and_zero(&mn); } - } else { - /* someone else raced and successfully installed the mmu - * notifier, we can cancel our own errors */ + } else if (mm->mn) { + /* + * Someone else raced and successfully installed the mmu + * notifier, we can cancel our own errors. + */ err = 0; } mutex_unlock(&mm->i915->mm_lock); up_write(&mm->mm->mmap_sem); - if (mn) { + if (mn && !IS_ERR(mn)) { destroy_workqueue(mn->wq); kfree(mn); } diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index bf467f30c99b..6458c309c039 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -193,7 +193,6 @@ static const struct intel_device_info intel_i965gm_info __initconst = { static const struct intel_device_info intel_g45_info __initconst = { GEN4_FEATURES, .platform = INTEL_G45, - .has_pipe_cxsr = 1, .ring_mask = RENDER_RING | BSD_RING, }; @@ -201,7 +200,6 @@ static const struct intel_device_info intel_gm45_info __initconst = { GEN4_FEATURES, .platform = INTEL_GM45, .is_mobile = 1, .has_fbc = 1, - .has_pipe_cxsr = 1, .supports_tv = 1, .ring_mask = RENDER_RING | BSD_RING, }; @@ -645,7 +643,7 @@ static void i915_pci_remove(struct pci_dev *pdev) struct drm_device *dev = pci_get_drvdata(pdev); i915_driver_unload(dev); - drm_dev_unref(dev); + drm_dev_put(dev); } static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) diff --git a/drivers/gpu/drm/i915/i915_pvinfo.h b/drivers/gpu/drm/i915/i915_pvinfo.h index 0679a58cdbae..195203f298df 100644 --- a/drivers/gpu/drm/i915/i915_pvinfo.h +++ b/drivers/gpu/drm/i915/i915_pvinfo.h @@ -53,6 +53,7 @@ enum vgt_g2v_type { * VGT capabilities type */ #define VGT_CAPS_FULL_48BIT_PPGTT BIT(2) +#define VGT_CAPS_HWSP_EMULATION BIT(3) struct vgt_if { u64 magic; /* VGT_MAGIC */ diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 628ccd9181bb..68a58cce6ab1 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -5242,7 +5242,7 @@ enum { #define DP_AUX_CH_CTL_TIME_OUT_400us (0 << 26) #define DP_AUX_CH_CTL_TIME_OUT_600us (1 << 26) #define DP_AUX_CH_CTL_TIME_OUT_800us (2 << 26) -#define DP_AUX_CH_CTL_TIME_OUT_1600us (3 << 26) +#define DP_AUX_CH_CTL_TIME_OUT_MAX (3 << 26) /* Varies per platform */ #define DP_AUX_CH_CTL_TIME_OUT_MASK (3 << 26) #define DP_AUX_CH_CTL_RECEIVE_ERROR (1 << 25) #define DP_AUX_CH_CTL_MESSAGE_SIZE_MASK (0x1f << 20) diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c index 808ea4d5b962..e8ca67a129d2 100644 --- a/drivers/gpu/drm/i915/i915_sw_fence.c +++ b/drivers/gpu/drm/i915/i915_sw_fence.c @@ -41,6 +41,11 @@ static inline void debug_fence_init(struct i915_sw_fence *fence) debug_object_init(fence, &i915_sw_fence_debug_descr); } +static inline void debug_fence_init_onstack(struct i915_sw_fence *fence) +{ + debug_object_init_on_stack(fence, &i915_sw_fence_debug_descr); +} + static inline void debug_fence_activate(struct i915_sw_fence *fence) { debug_object_activate(fence, &i915_sw_fence_debug_descr); @@ -79,6 +84,10 @@ static inline void debug_fence_init(struct i915_sw_fence *fence) { } +static inline void debug_fence_init_onstack(struct i915_sw_fence *fence) +{ +} + static inline void debug_fence_activate(struct i915_sw_fence *fence) { } @@ -360,9 +369,9 @@ struct i915_sw_dma_fence_cb { struct irq_work work; }; -static void timer_i915_sw_fence_wake(unsigned long data) +static void timer_i915_sw_fence_wake(struct timer_list *t) { - struct i915_sw_dma_fence_cb *cb = (struct i915_sw_dma_fence_cb *)data; + struct i915_sw_dma_fence_cb *cb = from_timer(cb, t, timer); struct i915_sw_fence *fence; fence = xchg(&cb->fence, NULL); @@ -425,9 +434,7 @@ int i915_sw_fence_await_dma_fence(struct i915_sw_fence *fence, i915_sw_fence_await(fence); cb->dma = NULL; - __setup_timer(&cb->timer, - timer_i915_sw_fence_wake, (unsigned long)cb, - TIMER_IRQSAFE); + timer_setup(&cb->timer, timer_i915_sw_fence_wake, TIMER_IRQSAFE); init_irq_work(&cb->work, irq_i915_sw_fence_work); if (timeout) { cb->dma = dma_fence_get(dma); @@ -507,5 +514,6 @@ int i915_sw_fence_await_reservation(struct i915_sw_fence *fence, } #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) +#include "selftests/lib_sw_fence.c" #include "selftests/i915_sw_fence.c" #endif diff --git a/drivers/gpu/drm/i915/i915_vgpu.h b/drivers/gpu/drm/i915/i915_vgpu.h index b72bd2956b70..bb8338450dc1 100644 --- a/drivers/gpu/drm/i915/i915_vgpu.h +++ b/drivers/gpu/drm/i915/i915_vgpu.h @@ -30,6 +30,12 @@ void i915_check_vgpu(struct drm_i915_private *dev_priv); bool intel_vgpu_has_full_48bit_ppgtt(struct drm_i915_private *dev_priv); +static inline bool +intel_vgpu_has_hwsp_emulation(struct drm_i915_private *dev_priv) +{ + return dev_priv->vgpu.caps & VGT_CAPS_HWSP_EMULATION; +} + int intel_vgt_balloon(struct drm_i915_private *dev_priv); void intel_vgt_deballoon(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index 4dce2e0197d9..fc77e8191eb5 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -58,8 +58,10 @@ i915_vma_retire(struct i915_gem_active *active, * so that we don't steal from recently used but inactive objects * (unless we are forced to ofc!) */ + spin_lock(&rq->i915->mm.obj_lock); if (obj->bind_count) - list_move_tail(&obj->global_link, &rq->i915->mm.bound_list); + list_move_tail(&obj->mm.link, &rq->i915->mm.bound_list); + spin_unlock(&rq->i915->mm.obj_lock); obj->mm.dirty = true; /* be paranoid */ @@ -563,9 +565,13 @@ i915_vma_insert(struct i915_vma *vma, u64 size, u64 alignment, u64 flags) GEM_BUG_ON(!drm_mm_node_allocated(&vma->node)); GEM_BUG_ON(!i915_gem_valid_gtt_space(vma, obj->cache_level)); - list_move_tail(&obj->global_link, &dev_priv->mm.bound_list); list_move_tail(&vma->vm_link, &vma->vm->inactive_list); + + spin_lock(&dev_priv->mm.obj_lock); + list_move_tail(&obj->mm.link, &dev_priv->mm.bound_list); obj->bind_count++; + spin_unlock(&dev_priv->mm.obj_lock); + GEM_BUG_ON(atomic_read(&obj->mm.pages_pin_count) < obj->bind_count); return 0; @@ -580,6 +586,7 @@ err_unpin: static void i915_vma_remove(struct i915_vma *vma) { + struct drm_i915_private *i915 = vma->vm->i915; struct drm_i915_gem_object *obj = vma->obj; GEM_BUG_ON(!drm_mm_node_allocated(&vma->node)); @@ -593,9 +600,10 @@ i915_vma_remove(struct i915_vma *vma) /* Since the unbound list is global, only move to that list if * no more VMAs exist. */ + spin_lock(&i915->mm.obj_lock); if (--obj->bind_count == 0) - list_move_tail(&obj->global_link, - &to_i915(obj->base.dev)->mm.unbound_list); + list_move_tail(&obj->mm.link, &i915->mm.unbound_list); + spin_unlock(&i915->mm.obj_lock); /* And finally now the object is completely decoupled from this vma, * we can drop its hold on the backing storage and allow it to be diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index e809a9c347d3..fd23023df7c1 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -691,6 +691,48 @@ parse_psr(struct drm_i915_private *dev_priv, const struct bdb_header *bdb) dev_priv->vbt.psr.tp2_tp3_wakeup_time = psr_table->tp2_tp3_wakeup_time; } +static void parse_dsi_backlight_ports(struct drm_i915_private *dev_priv, + u16 version, enum port port) +{ + if (!dev_priv->vbt.dsi.config->dual_link || version < 197) { + dev_priv->vbt.dsi.bl_ports = BIT(port); + if (dev_priv->vbt.dsi.config->cabc_supported) + dev_priv->vbt.dsi.cabc_ports = BIT(port); + + return; + } + + switch (dev_priv->vbt.dsi.config->dl_dcs_backlight_ports) { + case DL_DCS_PORT_A: + dev_priv->vbt.dsi.bl_ports = BIT(PORT_A); + break; + case DL_DCS_PORT_C: + dev_priv->vbt.dsi.bl_ports = BIT(PORT_C); + break; + default: + case DL_DCS_PORT_A_AND_C: + dev_priv->vbt.dsi.bl_ports = BIT(PORT_A) | BIT(PORT_C); + break; + } + + if (!dev_priv->vbt.dsi.config->cabc_supported) + return; + + switch (dev_priv->vbt.dsi.config->dl_dcs_cabc_ports) { + case DL_DCS_PORT_A: + dev_priv->vbt.dsi.cabc_ports = BIT(PORT_A); + break; + case DL_DCS_PORT_C: + dev_priv->vbt.dsi.cabc_ports = BIT(PORT_C); + break; + default: + case DL_DCS_PORT_A_AND_C: + dev_priv->vbt.dsi.cabc_ports = + BIT(PORT_A) | BIT(PORT_C); + break; + } +} + static void parse_mipi_config(struct drm_i915_private *dev_priv, const struct bdb_header *bdb) @@ -699,9 +741,10 @@ parse_mipi_config(struct drm_i915_private *dev_priv, const struct mipi_config *config; const struct mipi_pps_data *pps; int panel_type = dev_priv->vbt.panel_type; + enum port port; /* parse MIPI blocks only if LFP type is MIPI */ - if (!intel_bios_is_dsi_present(dev_priv, NULL)) + if (!intel_bios_is_dsi_present(dev_priv, &port)) return; /* Initialize this to undefined indicating no generic MIPI support */ @@ -742,15 +785,7 @@ parse_mipi_config(struct drm_i915_private *dev_priv, return; } - /* - * These fields are introduced from the VBT version 197 onwards, - * so making sure that these bits are set zero in the previous - * versions. - */ - if (dev_priv->vbt.dsi.config->dual_link && bdb->version < 197) { - dev_priv->vbt.dsi.config->dl_dcs_cabc_ports = 0; - dev_priv->vbt.dsi.config->dl_dcs_backlight_ports = 0; - } + parse_dsi_backlight_ports(dev_priv, bdb->version, port); /* We have mandatory mipi config blocks. Initialize as generic panel */ dev_priv->vbt.dsi.panel_id = MIPI_DSI_GENERIC_PANEL_ID; @@ -1071,6 +1106,22 @@ static void sanitize_aux_ch(struct drm_i915_private *dev_priv, } } +static const u8 cnp_ddc_pin_map[] = { + [DDC_BUS_DDI_B] = GMBUS_PIN_1_BXT, + [DDC_BUS_DDI_C] = GMBUS_PIN_2_BXT, + [DDC_BUS_DDI_D] = GMBUS_PIN_4_CNP, /* sic */ + [DDC_BUS_DDI_F] = GMBUS_PIN_3_BXT, /* sic */ +}; + +static u8 map_ddc_pin(struct drm_i915_private *dev_priv, u8 vbt_pin) +{ + if (HAS_PCH_CNP(dev_priv) && + vbt_pin > 0 && vbt_pin < ARRAY_SIZE(cnp_ddc_pin_map)) + return cnp_ddc_pin_map[vbt_pin]; + + return vbt_pin; +} + static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, u8 bdb_version) { @@ -1163,16 +1214,7 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, DRM_DEBUG_KMS("Port %c is internal DP\n", port_name(port)); if (is_dvi) { - info->alternate_ddc_pin = ddc_pin; - - /* - * All VBTs that we got so far for B Stepping has this - * information wrong for Port D. So, let's just ignore for now. - */ - if (IS_CNL_REVID(dev_priv, CNL_REVID_B0, CNL_REVID_B0) && - port == PORT_D) { - info->alternate_ddc_pin = 0; - } + info->alternate_ddc_pin = map_ddc_pin(dev_priv, ddc_pin); sanitize_ddc_pin(dev_priv, port); } diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c index 29c62d481cef..48e1ba01ccf8 100644 --- a/drivers/gpu/drm/i915/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c @@ -74,9 +74,10 @@ static noinline void missed_breadcrumb(struct intel_engine_cs *engine) set_bit(engine->id, &engine->i915->gpu_error.missed_irq_rings); } -static void intel_breadcrumbs_hangcheck(unsigned long data) +static void intel_breadcrumbs_hangcheck(struct timer_list *t) { - struct intel_engine_cs *engine = (struct intel_engine_cs *)data; + struct intel_engine_cs *engine = from_timer(engine, t, + breadcrumbs.hangcheck); struct intel_breadcrumbs *b = &engine->breadcrumbs; if (!b->irq_armed) @@ -108,9 +109,10 @@ static void intel_breadcrumbs_hangcheck(unsigned long data) } } -static void intel_breadcrumbs_fake_irq(unsigned long data) +static void intel_breadcrumbs_fake_irq(struct timer_list *t) { - struct intel_engine_cs *engine = (struct intel_engine_cs *)data; + struct intel_engine_cs *engine = from_timer(engine, t, + breadcrumbs.fake_irq); struct intel_breadcrumbs *b = &engine->breadcrumbs; /* The timer persists in case we cannot enable interrupts, @@ -787,12 +789,8 @@ int intel_engine_init_breadcrumbs(struct intel_engine_cs *engine) spin_lock_init(&b->rb_lock); spin_lock_init(&b->irq_lock); - setup_timer(&b->fake_irq, - intel_breadcrumbs_fake_irq, - (unsigned long)engine); - setup_timer(&b->hangcheck, - intel_breadcrumbs_hangcheck, - (unsigned long)engine); + timer_setup(&b->fake_irq, intel_breadcrumbs_fake_irq, 0); + timer_setup(&b->hangcheck, intel_breadcrumbs_hangcheck, 0); /* Spawn a thread to provide a common bottom-half for all signals. * As this is an asynchronous interface we cannot steal the current diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 668e8c3e791d..437339f5d098 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -344,10 +344,25 @@ static bool intel_crt_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state) { + return true; +} + +static bool pch_crt_compute_config(struct intel_encoder *encoder, + struct intel_crtc_state *pipe_config, + struct drm_connector_state *conn_state) +{ + pipe_config->has_pch_encoder = true; + + return true; +} + +static bool hsw_crt_compute_config(struct intel_encoder *encoder, + struct intel_crtc_state *pipe_config, + struct drm_connector_state *conn_state) +{ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - if (HAS_PCH_SPLIT(dev_priv)) - pipe_config->has_pch_encoder = true; + pipe_config->has_pch_encoder = true; /* LPT FDI RX only supports 8bpc. */ if (HAS_PCH_LPT(dev_priv)) { @@ -360,8 +375,7 @@ static bool intel_crt_compute_config(struct intel_encoder *encoder, } /* FDI must always be 2.7 GHz */ - if (HAS_DDI(dev_priv)) - pipe_config->port_clock = 135000 * 2; + pipe_config->port_clock = 135000 * 2; return true; } @@ -959,11 +973,11 @@ void intel_crt_init(struct drm_i915_private *dev_priv) !dmi_check_system(intel_spurious_crt_detect)) crt->base.hpd_pin = HPD_CRT; - crt->base.compute_config = intel_crt_compute_config; if (HAS_DDI(dev_priv)) { crt->base.port = PORT_E; crt->base.get_config = hsw_crt_get_config; crt->base.get_hw_state = intel_ddi_get_hw_state; + crt->base.compute_config = hsw_crt_compute_config; crt->base.pre_pll_enable = hsw_pre_pll_enable_crt; crt->base.pre_enable = hsw_pre_enable_crt; crt->base.enable = hsw_enable_crt; @@ -971,9 +985,11 @@ void intel_crt_init(struct drm_i915_private *dev_priv) crt->base.post_disable = hsw_post_disable_crt; } else { if (HAS_PCH_SPLIT(dev_priv)) { + crt->base.compute_config = pch_crt_compute_config; crt->base.disable = pch_disable_crt; crt->base.post_disable = pch_post_disable_crt; } else { + crt->base.compute_config = intel_crt_compute_config; crt->base.disable = intel_disable_crt; } crt->base.port = PORT_NONE; diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c index ea5d5c9645a4..da9de47562b8 100644 --- a/drivers/gpu/drm/i915/intel_csr.c +++ b/drivers/gpu/drm/i915/intel_csr.c @@ -52,10 +52,6 @@ MODULE_FIRMWARE(I915_CSR_SKL); MODULE_FIRMWARE(I915_CSR_BXT); #define BXT_CSR_VERSION_REQUIRED CSR_VERSION(1, 7) -#define FIRMWARE_URL "https://01.org/linuxgraphics/downloads/firmware" - - - #define CSR_MAX_FW_SIZE 0x2FFF #define CSR_DEFAULT_FW_OFFSET 0xFFFFFFFF @@ -291,7 +287,8 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, css_header = (struct intel_css_header *)fw->data; if (sizeof(struct intel_css_header) != (css_header->header_len * 4)) { - DRM_ERROR("Firmware has wrong CSS header length %u bytes\n", + DRM_ERROR("DMC firmware has wrong CSS header length " + "(%u bytes)\n", (css_header->header_len * 4)); return NULL; } @@ -315,7 +312,7 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, if (csr->version != required_version) { DRM_INFO("Refusing to load DMC firmware v%u.%u," - " please use v%u.%u [" FIRMWARE_URL "].\n", + " please use v%u.%u\n", CSR_VERSION_MAJOR(csr->version), CSR_VERSION_MINOR(csr->version), CSR_VERSION_MAJOR(required_version), @@ -330,7 +327,8 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, &fw->data[readcount]; if (sizeof(struct intel_package_header) != (package_header->header_len * 4)) { - DRM_ERROR("Firmware has wrong package header length %u bytes\n", + DRM_ERROR("DMC firmware has wrong package header length " + "(%u bytes)\n", (package_header->header_len * 4)); return NULL; } @@ -351,7 +349,7 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, dmc_offset = package_header->fw_info[i].offset; } if (dmc_offset == CSR_DEFAULT_FW_OFFSET) { - DRM_ERROR("Firmware not supported for %c stepping\n", + DRM_ERROR("DMC firmware not supported for %c stepping\n", si->stepping); return NULL; } @@ -360,7 +358,8 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, /* Extract dmc_header information. */ dmc_header = (struct intel_dmc_header *)&fw->data[readcount]; if (sizeof(struct intel_dmc_header) != (dmc_header->header_len)) { - DRM_ERROR("Firmware has wrong dmc header length %u bytes\n", + DRM_ERROR("DMC firmware has wrong dmc header length " + "(%u bytes)\n", (dmc_header->header_len)); return NULL; } @@ -368,7 +367,7 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, /* Cache the dmc header info. */ if (dmc_header->mmio_count > ARRAY_SIZE(csr->mmioaddr)) { - DRM_ERROR("Firmware has wrong mmio count %u\n", + DRM_ERROR("DMC firmware has wrong mmio count %u\n", dmc_header->mmio_count); return NULL; } @@ -376,7 +375,7 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, for (i = 0; i < dmc_header->mmio_count; i++) { if (dmc_header->mmioaddr[i] < CSR_MMIO_START_RANGE || dmc_header->mmioaddr[i] > CSR_MMIO_END_RANGE) { - DRM_ERROR(" Firmware has wrong mmio address 0x%x\n", + DRM_ERROR("DMC firmware has wrong mmio address 0x%x\n", dmc_header->mmioaddr[i]); return NULL; } @@ -387,7 +386,7 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, /* fw_size is in dwords, so multiplied by 4 to convert into bytes. */ nbytes = dmc_header->fw_size * 4; if (nbytes > CSR_MAX_FW_SIZE) { - DRM_ERROR("CSR firmware too big (%u) bytes\n", nbytes); + DRM_ERROR("DMC firmware too big (%u bytes)\n", nbytes); return NULL; } csr->dmc_fw_size = dmc_header->fw_size; @@ -425,9 +424,11 @@ static void csr_load_work_fn(struct work_struct *work) CSR_VERSION_MINOR(csr->version)); } else { dev_notice(dev_priv->drm.dev, - "Failed to load DMC firmware" - " [" FIRMWARE_URL "]," - " disabling runtime power management.\n"); + "Failed to load DMC firmware %s." + " Disabling runtime power management.\n", + csr->fw_path); + dev_notice(dev_priv->drm.dev, "DMC firmware homepage: %s", + INTEL_UC_FIRMWARE_URL); } release_firmware(fw); diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 4da7f5c745b6..933c18fd4258 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -305,35 +305,34 @@ struct bxt_ddi_buf_trans { u8 scale; /* scale value */ u8 enable; /* scale enable */ u8 deemphasis; - bool default_index; /* true if the entry represents default value */ }; static const struct bxt_ddi_buf_trans bxt_ddi_translations_dp[] = { /* Idx NT mV diff db */ - { 52, 0x9A, 0, 128, true }, /* 0: 400 0 */ - { 78, 0x9A, 0, 85, false }, /* 1: 400 3.5 */ - { 104, 0x9A, 0, 64, false }, /* 2: 400 6 */ - { 154, 0x9A, 0, 43, false }, /* 3: 400 9.5 */ - { 77, 0x9A, 0, 128, false }, /* 4: 600 0 */ - { 116, 0x9A, 0, 85, false }, /* 5: 600 3.5 */ - { 154, 0x9A, 0, 64, false }, /* 6: 600 6 */ - { 102, 0x9A, 0, 128, false }, /* 7: 800 0 */ - { 154, 0x9A, 0, 85, false }, /* 8: 800 3.5 */ - { 154, 0x9A, 1, 128, false }, /* 9: 1200 0 */ + { 52, 0x9A, 0, 128, }, /* 0: 400 0 */ + { 78, 0x9A, 0, 85, }, /* 1: 400 3.5 */ + { 104, 0x9A, 0, 64, }, /* 2: 400 6 */ + { 154, 0x9A, 0, 43, }, /* 3: 400 9.5 */ + { 77, 0x9A, 0, 128, }, /* 4: 600 0 */ + { 116, 0x9A, 0, 85, }, /* 5: 600 3.5 */ + { 154, 0x9A, 0, 64, }, /* 6: 600 6 */ + { 102, 0x9A, 0, 128, }, /* 7: 800 0 */ + { 154, 0x9A, 0, 85, }, /* 8: 800 3.5 */ + { 154, 0x9A, 1, 128, }, /* 9: 1200 0 */ }; static const struct bxt_ddi_buf_trans bxt_ddi_translations_edp[] = { /* Idx NT mV diff db */ - { 26, 0, 0, 128, false }, /* 0: 200 0 */ - { 38, 0, 0, 112, false }, /* 1: 200 1.5 */ - { 48, 0, 0, 96, false }, /* 2: 200 4 */ - { 54, 0, 0, 69, false }, /* 3: 200 6 */ - { 32, 0, 0, 128, false }, /* 4: 250 0 */ - { 48, 0, 0, 104, false }, /* 5: 250 1.5 */ - { 54, 0, 0, 85, false }, /* 6: 250 4 */ - { 43, 0, 0, 128, false }, /* 7: 300 0 */ - { 54, 0, 0, 101, false }, /* 8: 300 1.5 */ - { 48, 0, 0, 128, false }, /* 9: 300 0 */ + { 26, 0, 0, 128, }, /* 0: 200 0 */ + { 38, 0, 0, 112, }, /* 1: 200 1.5 */ + { 48, 0, 0, 96, }, /* 2: 200 4 */ + { 54, 0, 0, 69, }, /* 3: 200 6 */ + { 32, 0, 0, 128, }, /* 4: 250 0 */ + { 48, 0, 0, 104, }, /* 5: 250 1.5 */ + { 54, 0, 0, 85, }, /* 6: 250 4 */ + { 43, 0, 0, 128, }, /* 7: 300 0 */ + { 54, 0, 0, 101, }, /* 8: 300 1.5 */ + { 48, 0, 0, 128, }, /* 9: 300 0 */ }; /* BSpec has 2 recommended values - entries 0 and 8. @@ -341,16 +340,16 @@ static const struct bxt_ddi_buf_trans bxt_ddi_translations_edp[] = { */ static const struct bxt_ddi_buf_trans bxt_ddi_translations_hdmi[] = { /* Idx NT mV diff db */ - { 52, 0x9A, 0, 128, false }, /* 0: 400 0 */ - { 52, 0x9A, 0, 85, false }, /* 1: 400 3.5 */ - { 52, 0x9A, 0, 64, false }, /* 2: 400 6 */ - { 42, 0x9A, 0, 43, false }, /* 3: 400 9.5 */ - { 77, 0x9A, 0, 128, false }, /* 4: 600 0 */ - { 77, 0x9A, 0, 85, false }, /* 5: 600 3.5 */ - { 77, 0x9A, 0, 64, false }, /* 6: 600 6 */ - { 102, 0x9A, 0, 128, false }, /* 7: 800 0 */ - { 102, 0x9A, 0, 85, false }, /* 8: 800 3.5 */ - { 154, 0x9A, 1, 128, true }, /* 9: 1200 0 */ + { 52, 0x9A, 0, 128, }, /* 0: 400 0 */ + { 52, 0x9A, 0, 85, }, /* 1: 400 3.5 */ + { 52, 0x9A, 0, 64, }, /* 2: 400 6 */ + { 42, 0x9A, 0, 43, }, /* 3: 400 9.5 */ + { 77, 0x9A, 0, 128, }, /* 4: 600 0 */ + { 77, 0x9A, 0, 85, }, /* 5: 600 3.5 */ + { 77, 0x9A, 0, 64, }, /* 6: 600 6 */ + { 102, 0x9A, 0, 128, }, /* 7: 800 0 */ + { 102, 0x9A, 0, 85, }, /* 8: 800 3.5 */ + { 154, 0x9A, 1, 128, }, /* 9: 1200 0 */ }; struct cnl_ddi_buf_trans { @@ -588,6 +587,120 @@ skl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries) } } +static int skl_buf_trans_num_entries(enum port port, int n_entries) +{ + /* Only DDIA and DDIE can select the 10th register with DP */ + if (port == PORT_A || port == PORT_E) + return min(n_entries, 10); + else + return min(n_entries, 9); +} + +static const struct ddi_buf_trans * +intel_ddi_get_buf_trans_dp(struct drm_i915_private *dev_priv, + enum port port, int *n_entries) +{ + if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) { + const struct ddi_buf_trans *ddi_translations = + kbl_get_buf_trans_dp(dev_priv, n_entries); + *n_entries = skl_buf_trans_num_entries(port, *n_entries); + return ddi_translations; + } else if (IS_SKYLAKE(dev_priv)) { + const struct ddi_buf_trans *ddi_translations = + skl_get_buf_trans_dp(dev_priv, n_entries); + *n_entries = skl_buf_trans_num_entries(port, *n_entries); + return ddi_translations; + } else if (IS_BROADWELL(dev_priv)) { + *n_entries = ARRAY_SIZE(bdw_ddi_translations_dp); + return bdw_ddi_translations_dp; + } else if (IS_HASWELL(dev_priv)) { + *n_entries = ARRAY_SIZE(hsw_ddi_translations_dp); + return hsw_ddi_translations_dp; + } + + *n_entries = 0; + return NULL; +} + +static const struct ddi_buf_trans * +intel_ddi_get_buf_trans_edp(struct drm_i915_private *dev_priv, + enum port port, int *n_entries) +{ + if (IS_GEN9_BC(dev_priv)) { + const struct ddi_buf_trans *ddi_translations = + skl_get_buf_trans_edp(dev_priv, n_entries); + *n_entries = skl_buf_trans_num_entries(port, *n_entries); + return ddi_translations; + } else if (IS_BROADWELL(dev_priv)) { + return bdw_get_buf_trans_edp(dev_priv, n_entries); + } else if (IS_HASWELL(dev_priv)) { + *n_entries = ARRAY_SIZE(hsw_ddi_translations_dp); + return hsw_ddi_translations_dp; + } + + *n_entries = 0; + return NULL; +} + +static const struct ddi_buf_trans * +intel_ddi_get_buf_trans_fdi(struct drm_i915_private *dev_priv, + int *n_entries) +{ + if (IS_BROADWELL(dev_priv)) { + *n_entries = ARRAY_SIZE(bdw_ddi_translations_fdi); + return bdw_ddi_translations_fdi; + } else if (IS_HASWELL(dev_priv)) { + *n_entries = ARRAY_SIZE(hsw_ddi_translations_fdi); + return hsw_ddi_translations_fdi; + } + + *n_entries = 0; + return NULL; +} + +static const struct ddi_buf_trans * +intel_ddi_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, + int *n_entries) +{ + if (IS_GEN9_BC(dev_priv)) { + return skl_get_buf_trans_hdmi(dev_priv, n_entries); + } else if (IS_BROADWELL(dev_priv)) { + *n_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); + return bdw_ddi_translations_hdmi; + } else if (IS_HASWELL(dev_priv)) { + *n_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi); + return hsw_ddi_translations_hdmi; + } + + *n_entries = 0; + return NULL; +} + +static const struct bxt_ddi_buf_trans * +bxt_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries) +{ + *n_entries = ARRAY_SIZE(bxt_ddi_translations_dp); + return bxt_ddi_translations_dp; +} + +static const struct bxt_ddi_buf_trans * +bxt_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) +{ + if (dev_priv->vbt.edp.low_vswing) { + *n_entries = ARRAY_SIZE(bxt_ddi_translations_edp); + return bxt_ddi_translations_edp; + } + + return bxt_get_buf_trans_dp(dev_priv, n_entries); +} + +static const struct bxt_ddi_buf_trans * +bxt_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries) +{ + *n_entries = ARRAY_SIZE(bxt_ddi_translations_hdmi); + return bxt_ddi_translations_hdmi; +} + static const struct cnl_ddi_buf_trans * cnl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries) { @@ -657,92 +770,40 @@ cnl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port port) { - int n_hdmi_entries; - int hdmi_level; - int hdmi_default_entry; - - hdmi_level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift; + int n_entries, level, default_entry; - if (IS_GEN9_LP(dev_priv)) - return hdmi_level; + level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift; if (IS_CANNONLAKE(dev_priv)) { - cnl_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries); - hdmi_default_entry = n_hdmi_entries - 1; + cnl_get_buf_trans_hdmi(dev_priv, &n_entries); + default_entry = n_entries - 1; + } else if (IS_GEN9_LP(dev_priv)) { + bxt_get_buf_trans_hdmi(dev_priv, &n_entries); + default_entry = n_entries - 1; } else if (IS_GEN9_BC(dev_priv)) { - skl_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries); - hdmi_default_entry = 8; + intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); + default_entry = 8; } else if (IS_BROADWELL(dev_priv)) { - n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); - hdmi_default_entry = 7; + intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); + default_entry = 7; } else if (IS_HASWELL(dev_priv)) { - n_hdmi_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi); - hdmi_default_entry = 6; + intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); + default_entry = 6; } else { WARN(1, "ddi translation table missing\n"); - n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); - hdmi_default_entry = 7; + return 0; } /* Choose a good default if VBT is badly populated */ - if (hdmi_level == HDMI_LEVEL_SHIFT_UNKNOWN || - hdmi_level >= n_hdmi_entries) - hdmi_level = hdmi_default_entry; - - return hdmi_level; -} - -static const struct ddi_buf_trans * -intel_ddi_get_buf_trans_dp(struct drm_i915_private *dev_priv, - int *n_entries) -{ - if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) { - return kbl_get_buf_trans_dp(dev_priv, n_entries); - } else if (IS_SKYLAKE(dev_priv)) { - return skl_get_buf_trans_dp(dev_priv, n_entries); - } else if (IS_BROADWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(bdw_ddi_translations_dp); - return bdw_ddi_translations_dp; - } else if (IS_HASWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(hsw_ddi_translations_dp); - return hsw_ddi_translations_dp; - } - - *n_entries = 0; - return NULL; -} - -static const struct ddi_buf_trans * -intel_ddi_get_buf_trans_edp(struct drm_i915_private *dev_priv, - int *n_entries) -{ - if (IS_GEN9_BC(dev_priv)) { - return skl_get_buf_trans_edp(dev_priv, n_entries); - } else if (IS_BROADWELL(dev_priv)) { - return bdw_get_buf_trans_edp(dev_priv, n_entries); - } else if (IS_HASWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(hsw_ddi_translations_dp); - return hsw_ddi_translations_dp; - } - - *n_entries = 0; - return NULL; -} + if (level == HDMI_LEVEL_SHIFT_UNKNOWN || level >= n_entries) + level = default_entry; -static const struct ddi_buf_trans * -intel_ddi_get_buf_trans_fdi(struct drm_i915_private *dev_priv, - int *n_entries) -{ - if (IS_BROADWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(bdw_ddi_translations_fdi); - return bdw_ddi_translations_fdi; - } else if (IS_HASWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(hsw_ddi_translations_fdi); - return hsw_ddi_translations_fdi; - } + if (WARN_ON_ONCE(n_entries == 0)) + return 0; + if (WARN_ON_ONCE(level >= n_entries)) + level = n_entries - 1; - *n_entries = 0; - return NULL; + return level; } /* @@ -760,11 +821,11 @@ static void intel_prepare_dp_ddi_buffers(struct intel_encoder *encoder) switch (encoder->type) { case INTEL_OUTPUT_EDP: - ddi_translations = intel_ddi_get_buf_trans_edp(dev_priv, + ddi_translations = intel_ddi_get_buf_trans_edp(dev_priv, port, &n_entries); break; case INTEL_OUTPUT_DP: - ddi_translations = intel_ddi_get_buf_trans_dp(dev_priv, + ddi_translations = intel_ddi_get_buf_trans_dp(dev_priv, port, &n_entries); break; case INTEL_OUTPUT_ANALOG: @@ -776,16 +837,10 @@ static void intel_prepare_dp_ddi_buffers(struct intel_encoder *encoder) return; } - if (IS_GEN9_BC(dev_priv)) { - /* If we're boosting the current, set bit 31 of trans1 */ - if (dev_priv->vbt.ddi_port_info[port].dp_boost_level) - iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE; - - if (WARN_ON(encoder->type == INTEL_OUTPUT_EDP && - port != PORT_A && port != PORT_E && - n_entries > 9)) - n_entries = 9; - } + /* If we're boosting the current, set bit 31 of trans1 */ + if (IS_GEN9_BC(dev_priv) && + dev_priv->vbt.ddi_port_info[port].dp_boost_level) + iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE; for (i = 0; i < n_entries; i++) { I915_WRITE(DDI_BUF_TRANS_LO(port, i), @@ -800,39 +855,32 @@ static void intel_prepare_dp_ddi_buffers(struct intel_encoder *encoder) * values in advance. This function programs the correct values for * HDMI/DVI use cases. */ -static void intel_prepare_hdmi_ddi_buffers(struct intel_encoder *encoder) +static void intel_prepare_hdmi_ddi_buffers(struct intel_encoder *encoder, + int level) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); u32 iboost_bit = 0; - int n_hdmi_entries, hdmi_level; + int n_entries; enum port port = intel_ddi_get_encoder_port(encoder); - const struct ddi_buf_trans *ddi_translations_hdmi; + const struct ddi_buf_trans *ddi_translations; - hdmi_level = intel_ddi_hdmi_level(dev_priv, port); + ddi_translations = intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); - if (IS_GEN9_BC(dev_priv)) { - ddi_translations_hdmi = skl_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries); + if (WARN_ON_ONCE(!ddi_translations)) + return; + if (WARN_ON_ONCE(level >= n_entries)) + level = n_entries - 1; - /* If we're boosting the current, set bit 31 of trans1 */ - if (dev_priv->vbt.ddi_port_info[port].hdmi_boost_level) - iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE; - } else if (IS_BROADWELL(dev_priv)) { - ddi_translations_hdmi = bdw_ddi_translations_hdmi; - n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); - } else if (IS_HASWELL(dev_priv)) { - ddi_translations_hdmi = hsw_ddi_translations_hdmi; - n_hdmi_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi); - } else { - WARN(1, "ddi translation table missing\n"); - ddi_translations_hdmi = bdw_ddi_translations_hdmi; - n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); - } + /* If we're boosting the current, set bit 31 of trans1 */ + if (IS_GEN9_BC(dev_priv) && + dev_priv->vbt.ddi_port_info[port].hdmi_boost_level) + iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE; /* Entry 9 is for HDMI: */ I915_WRITE(DDI_BUF_TRANS_LO(port, 9), - ddi_translations_hdmi[hdmi_level].trans1 | iboost_bit); + ddi_translations[level].trans1 | iboost_bit); I915_WRITE(DDI_BUF_TRANS_HI(port, 9), - ddi_translations_hdmi[hdmi_level].trans2); + ddi_translations[level].trans2); } static void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv, @@ -1108,14 +1156,14 @@ static int hsw_ddi_calc_wrpll_link(struct drm_i915_private *dev_priv, } static int skl_calc_wrpll_link(struct drm_i915_private *dev_priv, - uint32_t dpll) + enum intel_dpll_id pll_id) { i915_reg_t cfgcr1_reg, cfgcr2_reg; uint32_t cfgcr1_val, cfgcr2_val; uint32_t p0, p1, p2, dco_freq; - cfgcr1_reg = DPLL_CFGCR1(dpll); - cfgcr2_reg = DPLL_CFGCR2(dpll); + cfgcr1_reg = DPLL_CFGCR1(pll_id); + cfgcr2_reg = DPLL_CFGCR2(pll_id); cfgcr1_val = I915_READ(cfgcr1_reg); cfgcr2_val = I915_READ(cfgcr2_reg); @@ -1168,7 +1216,7 @@ static int skl_calc_wrpll_link(struct drm_i915_private *dev_priv, } static int cnl_calc_wrpll_link(struct drm_i915_private *dev_priv, - uint32_t pll_id) + enum intel_dpll_id pll_id) { uint32_t cfgcr0, cfgcr1; uint32_t p0, p1, p2, dco_freq, ref_clock; @@ -1255,7 +1303,8 @@ static void cnl_ddi_clock_get(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); int link_clock = 0; - uint32_t cfgcr0, pll_id; + uint32_t cfgcr0; + enum intel_dpll_id pll_id; pll_id = intel_get_shared_dpll_id(dev_priv, pipe_config->shared_dpll); @@ -1308,17 +1357,18 @@ static void skl_ddi_clock_get(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); int link_clock = 0; - uint32_t dpll_ctl1, dpll; + uint32_t dpll_ctl1; + enum intel_dpll_id pll_id; - dpll = intel_get_shared_dpll_id(dev_priv, pipe_config->shared_dpll); + pll_id = intel_get_shared_dpll_id(dev_priv, pipe_config->shared_dpll); dpll_ctl1 = I915_READ(DPLL_CTRL1); - if (dpll_ctl1 & DPLL_CTRL1_HDMI_MODE(dpll)) { - link_clock = skl_calc_wrpll_link(dev_priv, dpll); + if (dpll_ctl1 & DPLL_CTRL1_HDMI_MODE(pll_id)) { + link_clock = skl_calc_wrpll_link(dev_priv, pll_id); } else { - link_clock = dpll_ctl1 & DPLL_CTRL1_LINK_RATE_MASK(dpll); - link_clock >>= DPLL_CTRL1_LINK_RATE_SHIFT(dpll); + link_clock = dpll_ctl1 & DPLL_CTRL1_LINK_RATE_MASK(pll_id); + link_clock >>= DPLL_CTRL1_LINK_RATE_SHIFT(pll_id); switch (link_clock) { case DPLL_CTRL1_LINK_RATE_810: @@ -1399,17 +1449,17 @@ static void hsw_ddi_clock_get(struct intel_encoder *encoder, } static int bxt_calc_pll_link(struct drm_i915_private *dev_priv, - enum intel_dpll_id dpll) + enum intel_dpll_id pll_id) { struct intel_shared_dpll *pll; struct intel_dpll_hw_state *state; struct dpll clock; /* For DDI ports we always use a shared PLL. */ - if (WARN_ON(dpll == DPLL_ID_PRIVATE)) + if (WARN_ON(pll_id == DPLL_ID_PRIVATE)) return 0; - pll = &dev_priv->shared_dplls[dpll]; + pll = &dev_priv->shared_dplls[pll_id]; state = &pll->state.hw_state; clock.m1 = 2; @@ -1428,9 +1478,9 @@ static void bxt_ddi_clock_get(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum port port = intel_ddi_get_encoder_port(encoder); - uint32_t dpll = port; + enum intel_dpll_id pll_id = port; - pipe_config->port_clock = bxt_calc_pll_link(dev_priv, dpll); + pipe_config->port_clock = bxt_calc_pll_link(dev_priv, pll_id); ddi_dotclock_get(pipe_config); } @@ -1782,54 +1832,36 @@ static void _skl_ddi_set_iboost(struct drm_i915_private *dev_priv, I915_WRITE(DISPIO_CR_TX_BMU_CR0, tmp); } -static void skl_ddi_set_iboost(struct intel_encoder *encoder, u32 level) +static void skl_ddi_set_iboost(struct intel_encoder *encoder, + int level, enum intel_output_type type) { struct intel_digital_port *intel_dig_port = enc_to_dig_port(&encoder->base); struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev); enum port port = intel_dig_port->port; - int type = encoder->type; - const struct ddi_buf_trans *ddi_translations; uint8_t iboost; - uint8_t dp_iboost, hdmi_iboost; - int n_entries; - /* VBT may override standard boost values */ - dp_iboost = dev_priv->vbt.ddi_port_info[port].dp_boost_level; - hdmi_iboost = dev_priv->vbt.ddi_port_info[port].hdmi_boost_level; + if (type == INTEL_OUTPUT_HDMI) + iboost = dev_priv->vbt.ddi_port_info[port].hdmi_boost_level; + else + iboost = dev_priv->vbt.ddi_port_info[port].dp_boost_level; - if (type == INTEL_OUTPUT_DP) { - if (dp_iboost) { - iboost = dp_iboost; - } else { - if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) - ddi_translations = kbl_get_buf_trans_dp(dev_priv, - &n_entries); - else - ddi_translations = skl_get_buf_trans_dp(dev_priv, - &n_entries); - iboost = ddi_translations[level].i_boost; - } - } else if (type == INTEL_OUTPUT_EDP) { - if (dp_iboost) { - iboost = dp_iboost; - } else { - ddi_translations = skl_get_buf_trans_edp(dev_priv, &n_entries); + if (iboost == 0) { + const struct ddi_buf_trans *ddi_translations; + int n_entries; - if (WARN_ON(port != PORT_A && - port != PORT_E && n_entries > 9)) - n_entries = 9; + if (type == INTEL_OUTPUT_HDMI) + ddi_translations = intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); + else if (type == INTEL_OUTPUT_EDP) + ddi_translations = intel_ddi_get_buf_trans_edp(dev_priv, port, &n_entries); + else + ddi_translations = intel_ddi_get_buf_trans_dp(dev_priv, port, &n_entries); - iboost = ddi_translations[level].i_boost; - } - } else if (type == INTEL_OUTPUT_HDMI) { - if (hdmi_iboost) { - iboost = hdmi_iboost; - } else { - ddi_translations = skl_get_buf_trans_hdmi(dev_priv, &n_entries); - iboost = ddi_translations[level].i_boost; - } - } else { - return; + if (WARN_ON_ONCE(!ddi_translations)) + return; + if (WARN_ON_ONCE(level >= n_entries)) + level = n_entries - 1; + + iboost = ddi_translations[level].i_boost; } /* Make sure that the requested I_boost is valid */ @@ -1844,38 +1876,25 @@ static void skl_ddi_set_iboost(struct intel_encoder *encoder, u32 level) _skl_ddi_set_iboost(dev_priv, PORT_E, iboost); } -static void bxt_ddi_vswing_sequence(struct drm_i915_private *dev_priv, - u32 level, enum port port, int type) +static void bxt_ddi_vswing_sequence(struct intel_encoder *encoder, + int level, enum intel_output_type type) { + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); const struct bxt_ddi_buf_trans *ddi_translations; - u32 n_entries, i; - - if (type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp.low_vswing) { - n_entries = ARRAY_SIZE(bxt_ddi_translations_edp); - ddi_translations = bxt_ddi_translations_edp; - } else if (type == INTEL_OUTPUT_DP - || type == INTEL_OUTPUT_EDP) { - n_entries = ARRAY_SIZE(bxt_ddi_translations_dp); - ddi_translations = bxt_ddi_translations_dp; - } else if (type == INTEL_OUTPUT_HDMI) { - n_entries = ARRAY_SIZE(bxt_ddi_translations_hdmi); - ddi_translations = bxt_ddi_translations_hdmi; - } else { - DRM_DEBUG_KMS("Vswing programming not done for encoder %d\n", - type); - return; - } + enum port port = encoder->port; + int n_entries; - /* Check if default value has to be used */ - if (level >= n_entries || - (type == INTEL_OUTPUT_HDMI && level == HDMI_LEVEL_SHIFT_UNKNOWN)) { - for (i = 0; i < n_entries; i++) { - if (ddi_translations[i].default_index) { - level = i; - break; - } - } - } + if (type == INTEL_OUTPUT_HDMI) + ddi_translations = bxt_get_buf_trans_hdmi(dev_priv, &n_entries); + else if (type == INTEL_OUTPUT_EDP) + ddi_translations = bxt_get_buf_trans_edp(dev_priv, &n_entries); + else + ddi_translations = bxt_get_buf_trans_dp(dev_priv, &n_entries); + + if (WARN_ON_ONCE(!ddi_translations)) + return; + if (WARN_ON_ONCE(level >= n_entries)) + level = n_entries - 1; bxt_ddi_phy_set_signal_level(dev_priv, port, ddi_translations[level].margin, @@ -1887,6 +1906,7 @@ static void bxt_ddi_vswing_sequence(struct drm_i915_private *dev_priv, u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + enum port port = encoder->port; int n_entries; if (IS_CANNONLAKE(dev_priv)) { @@ -1894,11 +1914,16 @@ u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder) cnl_get_buf_trans_edp(dev_priv, &n_entries); else cnl_get_buf_trans_dp(dev_priv, &n_entries); + } else if (IS_GEN9_LP(dev_priv)) { + if (encoder->type == INTEL_OUTPUT_EDP) + bxt_get_buf_trans_edp(dev_priv, &n_entries); + else + bxt_get_buf_trans_dp(dev_priv, &n_entries); } else { if (encoder->type == INTEL_OUTPUT_EDP) - intel_ddi_get_buf_trans_edp(dev_priv, &n_entries); + intel_ddi_get_buf_trans_edp(dev_priv, port, &n_entries); else - intel_ddi_get_buf_trans_dp(dev_priv, &n_entries); + intel_ddi_get_buf_trans_dp(dev_priv, port, &n_entries); } if (WARN_ON(n_entries < 1)) @@ -1910,28 +1935,26 @@ u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder) DP_TRAIN_VOLTAGE_SWING_MASK; } -static void cnl_ddi_vswing_program(struct drm_i915_private *dev_priv, - u32 level, enum port port, int type) +static void cnl_ddi_vswing_program(struct intel_encoder *encoder, + int level, enum intel_output_type type) { - const struct cnl_ddi_buf_trans *ddi_translations = NULL; - u32 n_entries, val; - int ln; + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + enum port port = intel_ddi_get_encoder_port(encoder); + const struct cnl_ddi_buf_trans *ddi_translations; + int n_entries, ln; + u32 val; - if (type == INTEL_OUTPUT_HDMI) { + if (type == INTEL_OUTPUT_HDMI) ddi_translations = cnl_get_buf_trans_hdmi(dev_priv, &n_entries); - } else if (type == INTEL_OUTPUT_DP) { - ddi_translations = cnl_get_buf_trans_dp(dev_priv, &n_entries); - } else if (type == INTEL_OUTPUT_EDP) { + else if (type == INTEL_OUTPUT_EDP) ddi_translations = cnl_get_buf_trans_edp(dev_priv, &n_entries); - } + else + ddi_translations = cnl_get_buf_trans_dp(dev_priv, &n_entries); - if (WARN_ON(ddi_translations == NULL)) + if (WARN_ON_ONCE(!ddi_translations)) return; - - if (level >= n_entries) { - DRM_DEBUG_KMS("DDI translation not found for level %d. Using %d instead.", level, n_entries - 1); + if (WARN_ON_ONCE(level >= n_entries)) level = n_entries - 1; - } /* Set PORT_TX_DW5 Scaling Mode Sel to 010b. */ val = I915_READ(CNL_PORT_TX_DW5_LN0(port)); @@ -1976,26 +1999,22 @@ static void cnl_ddi_vswing_program(struct drm_i915_private *dev_priv, I915_WRITE(CNL_PORT_TX_DW7_GRP(port), val); } -static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder, u32 level) +static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder, + int level, enum intel_output_type type) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); enum port port = intel_ddi_get_encoder_port(encoder); - int type = encoder->type; - int width = 0; - int rate = 0; + int width, rate, ln; u32 val; - int ln = 0; - if ((intel_dp) && (type == INTEL_OUTPUT_EDP || type == INTEL_OUTPUT_DP)) { - width = intel_dp->lane_count; - rate = intel_dp->link_rate; - } else if (type == INTEL_OUTPUT_HDMI) { + if (type == INTEL_OUTPUT_HDMI) { width = 4; - /* Rate is always < than 6GHz for HDMI */ + rate = 0; /* Rate is always < than 6GHz for HDMI */ } else { - MISSING_CASE(type); - return; + struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); + + width = intel_dp->lane_count; + rate = intel_dp->link_rate; } /* @@ -2004,7 +2023,7 @@ static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder, u32 level) * else clear to 0b. */ val = I915_READ(CNL_PORT_PCS_DW1_LN0(port)); - if (type == INTEL_OUTPUT_EDP || type == INTEL_OUTPUT_DP) + if (type != INTEL_OUTPUT_HDMI) val |= COMMON_KEEPER_EN; else val &= ~COMMON_KEEPER_EN; @@ -2039,7 +2058,7 @@ static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder, u32 level) I915_WRITE(CNL_PORT_TX_DW5_GRP(port), val); /* 5. Program swing and de-emphasis */ - cnl_ddi_vswing_program(dev_priv, level, port, type); + cnl_ddi_vswing_program(encoder, level, type); /* 6. Set training enable to trigger update */ val = I915_READ(CNL_PORT_TX_DW5_LN0(port)); @@ -2076,13 +2095,12 @@ u32 bxt_signal_levels(struct intel_dp *intel_dp) struct intel_digital_port *dport = dp_to_dig_port(intel_dp); struct drm_i915_private *dev_priv = to_i915(dport->base.base.dev); struct intel_encoder *encoder = &dport->base; - enum port port = dport->port; - u32 level = intel_ddi_dp_level(intel_dp); + int level = intel_ddi_dp_level(intel_dp); if (IS_CANNONLAKE(dev_priv)) - cnl_ddi_vswing_sequence(encoder, level); + cnl_ddi_vswing_sequence(encoder, level, encoder->type); else - bxt_ddi_vswing_sequence(dev_priv, level, port, encoder->type); + bxt_ddi_vswing_sequence(encoder, level, encoder->type); return 0; } @@ -2092,10 +2110,10 @@ uint32_t ddi_signal_levels(struct intel_dp *intel_dp) struct intel_digital_port *dport = dp_to_dig_port(intel_dp); struct drm_i915_private *dev_priv = to_i915(dport->base.base.dev); struct intel_encoder *encoder = &dport->base; - uint32_t level = intel_ddi_dp_level(intel_dp); + int level = intel_ddi_dp_level(intel_dp); if (IS_GEN9_BC(dev_priv)) - skl_ddi_set_iboost(encoder, level); + skl_ddi_set_iboost(encoder, level, encoder->type); return DDI_BUF_TRANS_SELECT(level); } @@ -2140,37 +2158,52 @@ static void intel_ddi_clk_select(struct intel_encoder *encoder, } } +static void intel_ddi_clk_disable(struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + enum port port = intel_ddi_get_encoder_port(encoder); + + if (IS_CANNONLAKE(dev_priv)) + I915_WRITE(DPCLKA_CFGCR0, I915_READ(DPCLKA_CFGCR0) | + DPCLKA_CFGCR0_DDI_CLK_OFF(port)); + else if (IS_GEN9_BC(dev_priv)) + I915_WRITE(DPLL_CTRL2, I915_READ(DPLL_CTRL2) | + DPLL_CTRL2_DDI_CLK_OFF(port)); + else if (INTEL_GEN(dev_priv) < 9) + I915_WRITE(PORT_CLK_SEL(port), PORT_CLK_SEL_NONE); +} + static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder, - int link_rate, uint32_t lane_count, - struct intel_shared_dpll *pll, - bool link_mst) + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) { struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum port port = intel_ddi_get_encoder_port(encoder); struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); - uint32_t level = intel_ddi_dp_level(intel_dp); + bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST); + int level = intel_ddi_dp_level(intel_dp); - WARN_ON(link_mst && (port == PORT_A || port == PORT_E)); + WARN_ON(is_mst && (port == PORT_A || port == PORT_E)); - intel_dp_set_link_params(intel_dp, link_rate, lane_count, - link_mst); - if (encoder->type == INTEL_OUTPUT_EDP) - intel_edp_panel_on(intel_dp); + intel_dp_set_link_params(intel_dp, crtc_state->port_clock, + crtc_state->lane_count, is_mst); - intel_ddi_clk_select(encoder, pll); + intel_edp_panel_on(intel_dp); + + intel_ddi_clk_select(encoder, crtc_state->shared_dpll); intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain); if (IS_CANNONLAKE(dev_priv)) - cnl_ddi_vswing_sequence(encoder, level); + cnl_ddi_vswing_sequence(encoder, level, encoder->type); else if (IS_GEN9_LP(dev_priv)) - bxt_ddi_vswing_sequence(dev_priv, level, port, encoder->type); + bxt_ddi_vswing_sequence(encoder, level, encoder->type); else intel_prepare_dp_ddi_buffers(encoder); intel_ddi_init_dp_buf_reg(encoder); - if (!link_mst) + if (!is_mst) intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); intel_dp_start_link_train(intel_dp); if (port != PORT_A || INTEL_GEN(dev_priv) >= 9) @@ -2178,10 +2211,8 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder, } static void intel_ddi_pre_enable_hdmi(struct intel_encoder *encoder, - bool has_infoframe, const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state, - const struct intel_shared_dpll *pll) + const struct drm_connector_state *conn_state) { struct intel_digital_port *intel_dig_port = enc_to_dig_port(&encoder->base); struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi; @@ -2191,84 +2222,49 @@ static void intel_ddi_pre_enable_hdmi(struct intel_encoder *encoder, struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); intel_dp_dual_mode_set_tmds_output(intel_hdmi, true); - intel_ddi_clk_select(encoder, pll); + intel_ddi_clk_select(encoder, crtc_state->shared_dpll); intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain); if (IS_CANNONLAKE(dev_priv)) - cnl_ddi_vswing_sequence(encoder, level); + cnl_ddi_vswing_sequence(encoder, level, INTEL_OUTPUT_HDMI); else if (IS_GEN9_LP(dev_priv)) - bxt_ddi_vswing_sequence(dev_priv, level, port, - INTEL_OUTPUT_HDMI); + bxt_ddi_vswing_sequence(encoder, level, INTEL_OUTPUT_HDMI); else - intel_prepare_hdmi_ddi_buffers(encoder); + intel_prepare_hdmi_ddi_buffers(encoder, level); if (IS_GEN9_BC(dev_priv)) - skl_ddi_set_iboost(encoder, level); + skl_ddi_set_iboost(encoder, level, INTEL_OUTPUT_HDMI); intel_dig_port->set_infoframes(&encoder->base, - has_infoframe, + crtc_state->has_infoframe, crtc_state, conn_state); } static void intel_ddi_pre_enable(struct intel_encoder *encoder, - const struct intel_crtc_state *pipe_config, + const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { - struct drm_crtc *crtc = pipe_config->base.crtc; - struct drm_i915_private *dev_priv = to_i915(crtc->dev); - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - int pipe = intel_crtc->pipe; - int type = encoder->type; + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum pipe pipe = crtc->pipe; - WARN_ON(intel_crtc->config->has_pch_encoder); + WARN_ON(crtc_state->has_pch_encoder); intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); - if (type == INTEL_OUTPUT_DP || type == INTEL_OUTPUT_EDP) { - intel_ddi_pre_enable_dp(encoder, - pipe_config->port_clock, - pipe_config->lane_count, - pipe_config->shared_dpll, - intel_crtc_has_type(pipe_config, - INTEL_OUTPUT_DP_MST)); - } - if (type == INTEL_OUTPUT_HDMI) { - intel_ddi_pre_enable_hdmi(encoder, - pipe_config->has_infoframe, - pipe_config, conn_state, - pipe_config->shared_dpll); - } + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + intel_ddi_pre_enable_hdmi(encoder, crtc_state, conn_state); + else + intel_ddi_pre_enable_dp(encoder, crtc_state, conn_state); } -static void intel_ddi_post_disable(struct intel_encoder *intel_encoder, - const struct intel_crtc_state *old_crtc_state, - const struct drm_connector_state *old_conn_state) +static void intel_disable_ddi_buf(struct intel_encoder *encoder) { - struct drm_encoder *encoder = &intel_encoder->base; - struct drm_i915_private *dev_priv = to_i915(encoder->dev); - enum port port = intel_ddi_get_encoder_port(intel_encoder); - struct intel_digital_port *dig_port = enc_to_dig_port(encoder); - int type = intel_encoder->type; - uint32_t val; + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + enum port port = intel_ddi_get_encoder_port(encoder); bool wait = false; - - if (type == INTEL_OUTPUT_DP || type == INTEL_OUTPUT_EDP) { - /* - * old_crtc_state and old_conn_state are NULL when called from - * DP_MST. The main connector associated with this port is never - * bound to a crtc for MST. - */ - bool is_mst = !old_crtc_state; - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - - /* - * Power down sink before disabling the port, otherwise we end - * up getting interrupts from the sink on detecting link loss. - */ - if (!is_mst) - intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF); - } + u32 val; val = I915_READ(DDI_BUF_CTL(port)); if (val & DDI_BUF_CTL_ENABLE) { @@ -2284,36 +2280,75 @@ static void intel_ddi_post_disable(struct intel_encoder *intel_encoder, if (wait) intel_wait_ddi_buf_idle(dev_priv, port); +} - if (type == INTEL_OUTPUT_HDMI) { - dig_port->set_infoframes(encoder, false, - old_crtc_state, old_conn_state); - } +static void intel_ddi_post_disable_dp(struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); + struct intel_dp *intel_dp = &dig_port->dp; + /* + * old_crtc_state and old_conn_state are NULL when called from + * DP_MST. The main connector associated with this port is never + * bound to a crtc for MST. + */ + bool is_mst = !old_crtc_state; - if (type == INTEL_OUTPUT_DP || type == INTEL_OUTPUT_EDP) { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + /* + * Power down sink before disabling the port, otherwise we end + * up getting interrupts from the sink on detecting link loss. + */ + if (!is_mst) + intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF); - intel_edp_panel_vdd_on(intel_dp); - intel_edp_panel_off(intel_dp); - } + intel_disable_ddi_buf(encoder); - if (dig_port) - intel_display_power_put(dev_priv, dig_port->ddi_io_power_domain); + intel_edp_panel_vdd_on(intel_dp); + intel_edp_panel_off(intel_dp); - if (IS_CANNONLAKE(dev_priv)) - I915_WRITE(DPCLKA_CFGCR0, I915_READ(DPCLKA_CFGCR0) | - DPCLKA_CFGCR0_DDI_CLK_OFF(port)); - else if (IS_GEN9_BC(dev_priv)) - I915_WRITE(DPLL_CTRL2, (I915_READ(DPLL_CTRL2) | - DPLL_CTRL2_DDI_CLK_OFF(port))); - else if (INTEL_GEN(dev_priv) < 9) - I915_WRITE(PORT_CLK_SEL(port), PORT_CLK_SEL_NONE); + intel_display_power_put(dev_priv, dig_port->ddi_io_power_domain); - if (type == INTEL_OUTPUT_HDMI) { - struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); + intel_ddi_clk_disable(encoder); +} - intel_dp_dual_mode_set_tmds_output(intel_hdmi, false); - } +static void intel_ddi_post_disable_hdmi(struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); + struct intel_hdmi *intel_hdmi = &dig_port->hdmi; + + intel_disable_ddi_buf(encoder); + + dig_port->set_infoframes(&encoder->base, false, + old_crtc_state, old_conn_state); + + intel_display_power_put(dev_priv, dig_port->ddi_io_power_domain); + + intel_ddi_clk_disable(encoder); + + intel_dp_dual_mode_set_tmds_output(intel_hdmi, false); +} + +static void intel_ddi_post_disable(struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) +{ + /* + * old_crtc_state and old_conn_state are NULL when called from + * DP_MST. The main connector associated with this port is never + * bound to a crtc for MST. + */ + if (old_crtc_state && + intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_HDMI)) + intel_ddi_post_disable_hdmi(encoder, + old_crtc_state, old_conn_state); + else + intel_ddi_post_disable_dp(encoder, + old_crtc_state, old_conn_state); } void intel_ddi_fdi_post_disable(struct intel_encoder *encoder, @@ -2333,7 +2368,8 @@ void intel_ddi_fdi_post_disable(struct intel_encoder *encoder, val &= ~FDI_RX_ENABLE; I915_WRITE(FDI_RX_CTL(PIPE_A), val); - intel_ddi_post_disable(encoder, old_crtc_state, old_conn_state); + intel_disable_ddi_buf(encoder); + intel_ddi_clk_disable(encoder); val = I915_READ(FDI_RX_MISC(PIPE_A)); val &= ~(FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK); @@ -2349,70 +2385,93 @@ void intel_ddi_fdi_post_disable(struct intel_encoder *encoder, I915_WRITE(FDI_RX_CTL(PIPE_A), val); } -static void intel_enable_ddi(struct intel_encoder *intel_encoder, - const struct intel_crtc_state *pipe_config, - const struct drm_connector_state *conn_state) +static void intel_enable_ddi_dp(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) { - struct drm_encoder *encoder = &intel_encoder->base; - struct drm_i915_private *dev_priv = to_i915(encoder->dev); - enum port port = intel_ddi_get_encoder_port(intel_encoder); - int type = intel_encoder->type; + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); + enum port port = intel_ddi_get_encoder_port(encoder); - if (type == INTEL_OUTPUT_HDMI) { - struct intel_digital_port *intel_dig_port = - enc_to_dig_port(encoder); - bool clock_ratio = pipe_config->hdmi_high_tmds_clock_ratio; - bool scrambling = pipe_config->hdmi_scrambling; - - intel_hdmi_handle_sink_scrambling(intel_encoder, - conn_state->connector, - clock_ratio, scrambling); - - /* In HDMI/DVI mode, the port width, and swing/emphasis values - * are ignored so nothing special needs to be done besides - * enabling the port. - */ - I915_WRITE(DDI_BUF_CTL(port), - intel_dig_port->saved_port_bits | - DDI_BUF_CTL_ENABLE); - } else if (type == INTEL_OUTPUT_EDP) { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + if (port == PORT_A && INTEL_GEN(dev_priv) < 9) + intel_dp_stop_link_train(intel_dp); - if (port == PORT_A && INTEL_GEN(dev_priv) < 9) - intel_dp_stop_link_train(intel_dp); + intel_edp_backlight_on(crtc_state, conn_state); + intel_psr_enable(intel_dp, crtc_state); + intel_edp_drrs_enable(intel_dp, crtc_state); - intel_edp_backlight_on(pipe_config, conn_state); - intel_psr_enable(intel_dp, pipe_config); - intel_edp_drrs_enable(intel_dp, pipe_config); - } + if (crtc_state->has_audio) + intel_audio_codec_enable(encoder, crtc_state, conn_state); +} - if (pipe_config->has_audio) - intel_audio_codec_enable(intel_encoder, pipe_config, conn_state); +static void intel_enable_ddi_hdmi(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); + enum port port = intel_ddi_get_encoder_port(encoder); + + intel_hdmi_handle_sink_scrambling(encoder, + conn_state->connector, + crtc_state->hdmi_high_tmds_clock_ratio, + crtc_state->hdmi_scrambling); + + /* In HDMI/DVI mode, the port width, and swing/emphasis values + * are ignored so nothing special needs to be done besides + * enabling the port. + */ + I915_WRITE(DDI_BUF_CTL(port), + dig_port->saved_port_bits | DDI_BUF_CTL_ENABLE); + + if (crtc_state->has_audio) + intel_audio_codec_enable(encoder, crtc_state, conn_state); } -static void intel_disable_ddi(struct intel_encoder *intel_encoder, - const struct intel_crtc_state *old_crtc_state, - const struct drm_connector_state *old_conn_state) +static void intel_enable_ddi(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) { - struct drm_encoder *encoder = &intel_encoder->base; - int type = intel_encoder->type; + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + intel_enable_ddi_hdmi(encoder, crtc_state, conn_state); + else + intel_enable_ddi_dp(encoder, crtc_state, conn_state); +} + +static void intel_disable_ddi_dp(struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) +{ + struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); if (old_crtc_state->has_audio) - intel_audio_codec_disable(intel_encoder); + intel_audio_codec_disable(encoder); - if (type == INTEL_OUTPUT_HDMI) { - intel_hdmi_handle_sink_scrambling(intel_encoder, - old_conn_state->connector, - false, false); - } + intel_edp_drrs_disable(intel_dp, old_crtc_state); + intel_psr_disable(intel_dp, old_crtc_state); + intel_edp_backlight_off(old_conn_state); +} - if (type == INTEL_OUTPUT_EDP) { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); +static void intel_disable_ddi_hdmi(struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) +{ + if (old_crtc_state->has_audio) + intel_audio_codec_disable(encoder); - intel_edp_drrs_disable(intel_dp, old_crtc_state); - intel_psr_disable(intel_dp, old_crtc_state); - intel_edp_backlight_off(old_conn_state); - } + intel_hdmi_handle_sink_scrambling(encoder, + old_conn_state->connector, + false, false); +} + +static void intel_disable_ddi(struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) +{ + if (intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_HDMI)) + intel_disable_ddi_hdmi(encoder, old_crtc_state, old_conn_state); + else + intel_disable_ddi_dp(encoder, old_crtc_state, old_conn_state); } static void bxt_ddi_pre_pll_enable(struct intel_encoder *encoder, diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 7e91dc9a0fcf..e2ac976844d8 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2847,7 +2847,7 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc, if (intel_plane_ggtt_offset(state) == plane_config->base) { fb = c->primary->fb; - drm_framebuffer_reference(fb); + drm_framebuffer_get(fb); goto valid_fb; } } @@ -2878,7 +2878,7 @@ valid_fb: intel_crtc->pipe, PTR_ERR(intel_state->vma)); intel_state->vma = NULL; - drm_framebuffer_unreference(fb); + drm_framebuffer_put(fb); return; } @@ -2899,7 +2899,7 @@ valid_fb: if (i915_gem_object_is_tiled(obj)) dev_priv->preserve_bios_swizzle = true; - drm_framebuffer_reference(fb); + drm_framebuffer_get(fb); primary->fb = primary->state->fb = fb; primary->crtc = primary->state->crtc = &intel_crtc->base; @@ -3289,7 +3289,6 @@ static void i9xx_update_primary_plane(struct intel_plane *primary, const struct intel_plane_state *plane_state) { struct drm_i915_private *dev_priv = to_i915(primary->base.dev); - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); const struct drm_framebuffer *fb = plane_state->base.fb; enum plane plane = primary->plane; u32 linear_offset; @@ -3298,16 +3297,14 @@ static void i9xx_update_primary_plane(struct intel_plane *primary, int x = plane_state->main.x; int y = plane_state->main.y; unsigned long irqflags; + u32 dspaddr_offset; linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0); if (INTEL_GEN(dev_priv) >= 4) - crtc->dspaddr_offset = plane_state->main.offset; + dspaddr_offset = plane_state->main.offset; else - crtc->dspaddr_offset = linear_offset; - - crtc->adjusted_x = x; - crtc->adjusted_y = y; + dspaddr_offset = linear_offset; spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); @@ -3333,18 +3330,18 @@ static void i9xx_update_primary_plane(struct intel_plane *primary, if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) { I915_WRITE_FW(DSPSURF(plane), intel_plane_ggtt_offset(plane_state) + - crtc->dspaddr_offset); + dspaddr_offset); I915_WRITE_FW(DSPOFFSET(plane), (y << 16) | x); } else if (INTEL_GEN(dev_priv) >= 4) { I915_WRITE_FW(DSPSURF(plane), intel_plane_ggtt_offset(plane_state) + - crtc->dspaddr_offset); + dspaddr_offset); I915_WRITE_FW(DSPTILEOFF(plane), (y << 16) | x); I915_WRITE_FW(DSPLINOFF(plane), linear_offset); } else { I915_WRITE_FW(DSPADDR(plane), intel_plane_ggtt_offset(plane_state) + - crtc->dspaddr_offset); + dspaddr_offset); } POSTING_READ_FW(reg); @@ -3544,100 +3541,6 @@ u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state, return plane_ctl; } -static void skylake_update_primary_plane(struct intel_plane *plane, - const struct intel_crtc_state *crtc_state, - const struct intel_plane_state *plane_state) -{ - struct drm_i915_private *dev_priv = to_i915(plane->base.dev); - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); - const struct drm_framebuffer *fb = plane_state->base.fb; - enum plane_id plane_id = plane->id; - enum pipe pipe = plane->pipe; - u32 plane_ctl = plane_state->ctl; - unsigned int rotation = plane_state->base.rotation; - u32 stride = skl_plane_stride(fb, 0, rotation); - u32 aux_stride = skl_plane_stride(fb, 1, rotation); - u32 surf_addr = plane_state->main.offset; - int scaler_id = plane_state->scaler_id; - int src_x = plane_state->main.x; - int src_y = plane_state->main.y; - int src_w = drm_rect_width(&plane_state->base.src) >> 16; - int src_h = drm_rect_height(&plane_state->base.src) >> 16; - int dst_x = plane_state->base.dst.x1; - int dst_y = plane_state->base.dst.y1; - int dst_w = drm_rect_width(&plane_state->base.dst); - int dst_h = drm_rect_height(&plane_state->base.dst); - unsigned long irqflags; - - /* Sizes are 0 based */ - src_w--; - src_h--; - dst_w--; - dst_h--; - - crtc->dspaddr_offset = surf_addr; - - crtc->adjusted_x = src_x; - crtc->adjusted_y = src_y; - - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); - - if (IS_GEMINILAKE(dev_priv) || IS_CANNONLAKE(dev_priv)) { - I915_WRITE_FW(PLANE_COLOR_CTL(pipe, plane_id), - PLANE_COLOR_PIPE_GAMMA_ENABLE | - PLANE_COLOR_PIPE_CSC_ENABLE | - PLANE_COLOR_PLANE_GAMMA_DISABLE); - } - - I915_WRITE_FW(PLANE_CTL(pipe, plane_id), plane_ctl); - I915_WRITE_FW(PLANE_OFFSET(pipe, plane_id), (src_y << 16) | src_x); - I915_WRITE_FW(PLANE_STRIDE(pipe, plane_id), stride); - I915_WRITE_FW(PLANE_SIZE(pipe, plane_id), (src_h << 16) | src_w); - I915_WRITE_FW(PLANE_AUX_DIST(pipe, plane_id), - (plane_state->aux.offset - surf_addr) | aux_stride); - I915_WRITE_FW(PLANE_AUX_OFFSET(pipe, plane_id), - (plane_state->aux.y << 16) | plane_state->aux.x); - - if (scaler_id >= 0) { - uint32_t ps_ctrl = 0; - - WARN_ON(!dst_w || !dst_h); - ps_ctrl = PS_SCALER_EN | PS_PLANE_SEL(plane_id) | - crtc_state->scaler_state.scalers[scaler_id].mode; - I915_WRITE_FW(SKL_PS_CTRL(pipe, scaler_id), ps_ctrl); - I915_WRITE_FW(SKL_PS_PWR_GATE(pipe, scaler_id), 0); - I915_WRITE_FW(SKL_PS_WIN_POS(pipe, scaler_id), (dst_x << 16) | dst_y); - I915_WRITE_FW(SKL_PS_WIN_SZ(pipe, scaler_id), (dst_w << 16) | dst_h); - I915_WRITE_FW(PLANE_POS(pipe, plane_id), 0); - } else { - I915_WRITE_FW(PLANE_POS(pipe, plane_id), (dst_y << 16) | dst_x); - } - - I915_WRITE_FW(PLANE_SURF(pipe, plane_id), - intel_plane_ggtt_offset(plane_state) + surf_addr); - - POSTING_READ_FW(PLANE_SURF(pipe, plane_id)); - - spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); -} - -static void skylake_disable_primary_plane(struct intel_plane *primary, - struct intel_crtc *crtc) -{ - struct drm_i915_private *dev_priv = to_i915(primary->base.dev); - enum plane_id plane_id = primary->id; - enum pipe pipe = primary->pipe; - unsigned long irqflags; - - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); - - I915_WRITE_FW(PLANE_CTL(pipe, plane_id), 0); - I915_WRITE_FW(PLANE_SURF(pipe, plane_id), 0); - POSTING_READ_FW(PLANE_SURF(pipe, plane_id)); - - spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); -} - static int __intel_display_resume(struct drm_device *dev, struct drm_atomic_state *state, @@ -6139,6 +6042,19 @@ struct intel_connector *intel_connector_alloc(void) return connector; } +/* + * Free the bits allocated by intel_connector_alloc. + * This should only be used after intel_connector_alloc has returned + * successfully, and before drm_connector_init returns successfully. + * Otherwise the destroy callbacks for the connector and the state should + * take care of proper cleanup/free + */ +void intel_connector_free(struct intel_connector *connector) +{ + kfree(to_intel_digital_connector_state(connector->base.state)); + kfree(connector); +} + /* Simple connector->get_hw_state implementation for encoders that support only * one connector and no cloning and hence the encoder state determines the state * of the connector. */ @@ -6522,11 +6438,9 @@ static void i9xx_update_pll_dividers(struct intel_crtc *crtc, crtc_state->dpll_hw_state.fp0 = fp; - crtc->lowfreq_avail = false; if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS) && reduced_clock) { crtc_state->dpll_hw_state.fp1 = fp2; - crtc->lowfreq_avail = true; } else { crtc_state->dpll_hw_state.fp1 = fp; } @@ -7221,15 +7135,6 @@ static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc) } } - if (HAS_PIPE_CXSR(dev_priv)) { - if (intel_crtc->lowfreq_avail) { - DRM_DEBUG_KMS("enabling CxSR downclocking\n"); - pipeconf |= PIPECONF_CXSR_DOWNCLOCK; - } else { - DRM_DEBUG_KMS("disabling CxSR downclocking\n"); - } - } - if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) { if (INTEL_GEN(dev_priv) < 4 || intel_crtc_has_type(intel_crtc->config, INTEL_OUTPUT_SDVO)) @@ -8365,8 +8270,6 @@ static int ironlake_crtc_compute_clock(struct intel_crtc *crtc, memset(&crtc_state->dpll_hw_state, 0, sizeof(crtc_state->dpll_hw_state)); - crtc->lowfreq_avail = false; - /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ if (!crtc_state->has_pch_encoder) return 0; @@ -9025,8 +8928,6 @@ static int haswell_crtc_compute_clock(struct intel_crtc *crtc, } } - crtc->lowfreq_avail = false; - return 0; } @@ -9846,7 +9747,7 @@ mode_fits_in_fbdev(struct drm_device *dev, if (obj->base.size < mode->vdisplay * fb->pitches[0]) return NULL; - drm_framebuffer_reference(fb); + drm_framebuffer_get(fb); return fb; #else return NULL; @@ -10027,7 +9928,7 @@ found: if (ret) goto fail; - drm_framebuffer_unreference(fb); + drm_framebuffer_put(fb); ret = drm_atomic_set_mode_for_crtc(&crtc_state->base, mode); if (ret) @@ -10662,6 +10563,52 @@ intel_dump_m_n_config(struct intel_crtc_state *pipe_config, char *id, m_n->link_m, m_n->link_n, m_n->tu); } +#define OUTPUT_TYPE(x) [INTEL_OUTPUT_ ## x] = #x + +static const char * const output_type_str[] = { + OUTPUT_TYPE(UNUSED), + OUTPUT_TYPE(ANALOG), + OUTPUT_TYPE(DVO), + OUTPUT_TYPE(SDVO), + OUTPUT_TYPE(LVDS), + OUTPUT_TYPE(TVOUT), + OUTPUT_TYPE(HDMI), + OUTPUT_TYPE(DP), + OUTPUT_TYPE(EDP), + OUTPUT_TYPE(DSI), + OUTPUT_TYPE(UNKNOWN), + OUTPUT_TYPE(DP_MST), +}; + +#undef OUTPUT_TYPE + +static void snprintf_output_types(char *buf, size_t len, + unsigned int output_types) +{ + char *str = buf; + int i; + + str[0] = '\0'; + + for (i = 0; i < ARRAY_SIZE(output_type_str); i++) { + int r; + + if ((output_types & BIT(i)) == 0) + continue; + + r = snprintf(str, len, "%s%s", + str != buf ? "," : "", output_type_str[i]); + if (r >= len) + break; + str += r; + len -= r; + + output_types &= ~BIT(i); + } + + WARN_ON_ONCE(output_types != 0); +} + static void intel_dump_pipe_config(struct intel_crtc *crtc, struct intel_crtc_state *pipe_config, const char *context) @@ -10672,10 +10619,15 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc, struct intel_plane *intel_plane; struct intel_plane_state *state; struct drm_framebuffer *fb; + char buf[64]; DRM_DEBUG_KMS("[CRTC:%d:%s]%s\n", crtc->base.base.id, crtc->base.name, context); + snprintf_output_types(buf, sizeof(buf), pipe_config->output_types); + DRM_DEBUG_KMS("output_types: %s (0x%x)\n", + buf, pipe_config->output_types); + DRM_DEBUG_KMS("cpu_transcoder: %s, pipe bpp: %i, dithering: %i\n", transcoder_name(pipe_config->cpu_transcoder), pipe_config->pipe_bpp, pipe_config->dither); @@ -13229,8 +13181,8 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) num_formats = ARRAY_SIZE(skl_primary_formats); modifiers = skl_format_modifiers_ccs; - primary->update_plane = skylake_update_primary_plane; - primary->disable_plane = skylake_disable_primary_plane; + primary->update_plane = skl_update_plane; + primary->disable_plane = skl_disable_plane; } else if (INTEL_GEN(dev_priv) >= 9) { intel_primary_formats = skl_primary_formats; num_formats = ARRAY_SIZE(skl_primary_formats); @@ -13239,8 +13191,8 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) else modifiers = skl_format_modifiers_noccs; - primary->update_plane = skylake_update_primary_plane; - primary->disable_plane = skylake_disable_primary_plane; + primary->update_plane = skl_update_plane; + primary->disable_plane = skl_disable_plane; } else if (INTEL_GEN(dev_priv) >= 4) { intel_primary_formats = i965_primary_formats; num_formats = ARRAY_SIZE(i965_primary_formats); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index b0f446b68f42..aa75f55eeb61 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1007,7 +1007,7 @@ static uint32_t g4x_get_aux_send_ctl(struct intel_dp *intel_dp, else precharge = 5; - if (IS_BROADWELL(dev_priv) && intel_dig_port->port == PORT_A) + if (IS_BROADWELL(dev_priv)) timeout = DP_AUX_CH_CTL_TIME_OUT_600us; else timeout = DP_AUX_CH_CTL_TIME_OUT_400us; @@ -1032,7 +1032,7 @@ static uint32_t skl_get_aux_send_ctl(struct intel_dp *intel_dp, DP_AUX_CH_CTL_DONE | (has_aux_irq ? DP_AUX_CH_CTL_INTERRUPT : 0) | DP_AUX_CH_CTL_TIME_OUT_ERROR | - DP_AUX_CH_CTL_TIME_OUT_1600us | + DP_AUX_CH_CTL_TIME_OUT_MAX | DP_AUX_CH_CTL_RECEIVE_ERROR | (send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) | DP_AUX_CH_CTL_FW_SYNC_PULSE_SKL(32) | @@ -1832,6 +1832,8 @@ found: if (!HAS_DDI(dev_priv)) intel_dp_set_clock(encoder, pipe_config); + intel_psr_compute_config(intel_dp, pipe_config); + return true; } @@ -3153,9 +3155,7 @@ intel_dp_voltage_max(struct intel_dp *intel_dp) struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp)); enum port port = dp_to_dig_port(intel_dp)->port; - if (IS_GEN9_LP(dev_priv)) - return DP_TRAIN_VOLTAGE_SWING_LEVEL_3; - else if (INTEL_GEN(dev_priv) >= 9) { + if (INTEL_GEN(dev_priv) >= 9) { struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; return intel_ddi_dp_voltage_max(encoder); } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index 3c131e2544cf..772521440a9f 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -454,32 +454,52 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo struct intel_dp *intel_dp = container_of(mgr, struct intel_dp, mst_mgr); struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); struct drm_device *dev = intel_dig_port->base.base.dev; + struct drm_i915_private *dev_priv = to_i915(dev); struct intel_connector *intel_connector; struct drm_connector *connector; - int i; + enum pipe pipe; + int ret; intel_connector = intel_connector_alloc(); if (!intel_connector) return NULL; connector = &intel_connector->base; - drm_connector_init(dev, connector, &intel_dp_mst_connector_funcs, DRM_MODE_CONNECTOR_DisplayPort); + ret = drm_connector_init(dev, connector, &intel_dp_mst_connector_funcs, + DRM_MODE_CONNECTOR_DisplayPort); + if (ret) { + intel_connector_free(intel_connector); + return NULL; + } + drm_connector_helper_add(connector, &intel_dp_mst_connector_helper_funcs); intel_connector->get_hw_state = intel_dp_mst_get_hw_state; intel_connector->mst_port = intel_dp; intel_connector->port = port; - for (i = PIPE_A; i <= PIPE_C; i++) { - drm_mode_connector_attach_encoder(&intel_connector->base, - &intel_dp->mst_encoders[i]->base.base); + for_each_pipe(dev_priv, pipe) { + struct drm_encoder *enc = + &intel_dp->mst_encoders[pipe]->base.base; + + ret = drm_mode_connector_attach_encoder(&intel_connector->base, + enc); + if (ret) + goto err; } drm_object_attach_property(&connector->base, dev->mode_config.path_property, 0); drm_object_attach_property(&connector->base, dev->mode_config.tile_property, 0); - drm_mode_connector_set_path_property(connector, pathprop); + ret = drm_mode_connector_set_path_property(connector, pathprop); + if (ret) + goto err; + return connector; + +err: + drm_connector_cleanup(connector); + return NULL; } static void intel_dp_register_mst_connector(struct drm_connector *connector) @@ -569,11 +589,12 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *intel_dig_port, enum static bool intel_dp_create_fake_mst_encoders(struct intel_digital_port *intel_dig_port) { - int i; struct intel_dp *intel_dp = &intel_dig_port->dp; + struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev); + enum pipe pipe; - for (i = PIPE_A; i <= PIPE_C; i++) - intel_dp->mst_encoders[i] = intel_dp_create_fake_mst_encoder(intel_dig_port, i); + for_each_pipe(dev_priv, pipe) + intel_dp->mst_encoders[pipe] = intel_dp_create_fake_mst_encoder(intel_dig_port, pipe); return true; } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index b87946dcc53f..47d022d48718 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -718,6 +718,9 @@ struct intel_crtc_state { struct intel_link_m_n dp_m2_n2; bool has_drrs; + bool has_psr; + bool has_psr2; + /* * Frequence the dpll for the port should run at. Differs from the * adjusted dotclock e.g. for DP or 12bpc hdmi mode. This is also @@ -800,18 +803,10 @@ struct intel_crtc { * some outputs connected to this crtc. */ bool active; - bool lowfreq_avail; u8 plane_ids_mask; unsigned long long enabled_power_domains; struct intel_overlay *overlay; - /* Display surface base address adjustement for pageflips. Note that on - * gen4+ this only adjusts up to a tile, offsets within a tile are - * handled in the hw itself (with the TILEOFF register). */ - u32 dspaddr_offset; - int adjusted_x; - int adjusted_y; - struct intel_crtc_state *config; /* global reset count when the last flip was submitted */ @@ -1066,7 +1061,7 @@ struct intel_digital_port { void (*write_infoframe)(struct drm_encoder *encoder, const struct intel_crtc_state *crtc_state, - enum hdmi_infoframe_type type, + unsigned int type, const void *frame, ssize_t len); void (*set_infoframes)(struct drm_encoder *encoder, bool enable, @@ -1360,6 +1355,7 @@ void intel_pps_unlock_regs_wa(struct drm_i915_private *dev_priv); void intel_encoder_destroy(struct drm_encoder *encoder); int intel_connector_init(struct intel_connector *); struct intel_connector *intel_connector_alloc(void); +void intel_connector_free(struct intel_connector *connector); bool intel_connector_get_hw_state(struct intel_connector *connector); void intel_connector_attach_encoder(struct intel_connector *connector, struct intel_encoder *encoder); @@ -1764,6 +1760,8 @@ void intel_psr_flush(struct drm_i915_private *dev_priv, void intel_psr_init(struct drm_i915_private *dev_priv); void intel_psr_single_frame_update(struct drm_i915_private *dev_priv, unsigned frontbuffer_bits); +void intel_psr_compute_config(struct intel_dp *intel_dp, + struct intel_crtc_state *crtc_state); /* intel_runtime_pm.c */ int intel_power_domains_init(struct drm_i915_private *); @@ -1923,6 +1921,10 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data, struct drm_file *file_priv); void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state); void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state); +void skl_update_plane(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state); +void skl_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc); /* intel_tv.c */ void intel_tv_init(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 66bbedc5fa01..83f15848098a 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -1751,42 +1751,13 @@ void intel_dsi_init(struct drm_i915_private *dev_priv) else intel_encoder->crtc_mask = BIT(PIPE_B); - if (dev_priv->vbt.dsi.config->dual_link) { + if (dev_priv->vbt.dsi.config->dual_link) intel_dsi->ports = BIT(PORT_A) | BIT(PORT_C); - - switch (dev_priv->vbt.dsi.config->dl_dcs_backlight_ports) { - case DL_DCS_PORT_A: - intel_dsi->dcs_backlight_ports = BIT(PORT_A); - break; - case DL_DCS_PORT_C: - intel_dsi->dcs_backlight_ports = BIT(PORT_C); - break; - default: - case DL_DCS_PORT_A_AND_C: - intel_dsi->dcs_backlight_ports = BIT(PORT_A) | BIT(PORT_C); - break; - } - - switch (dev_priv->vbt.dsi.config->dl_dcs_cabc_ports) { - case DL_DCS_PORT_A: - intel_dsi->dcs_cabc_ports = BIT(PORT_A); - break; - case DL_DCS_PORT_C: - intel_dsi->dcs_cabc_ports = BIT(PORT_C); - break; - default: - case DL_DCS_PORT_A_AND_C: - intel_dsi->dcs_cabc_ports = BIT(PORT_A) | BIT(PORT_C); - break; - } - } else { + else intel_dsi->ports = BIT(port); - intel_dsi->dcs_backlight_ports = BIT(port); - intel_dsi->dcs_cabc_ports = BIT(port); - } - if (!dev_priv->vbt.dsi.config->cabc_supported) - intel_dsi->dcs_cabc_ports = 0; + intel_dsi->dcs_backlight_ports = dev_priv->vbt.dsi.bl_ports; + intel_dsi->dcs_cabc_ports = dev_priv->vbt.dsi.cabc_ports; /* Create a DSI host (and a device) for each port. */ for_each_dsi_port(port, intel_dsi->ports) { diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index 40e439ca3eb3..a47a9c6bea52 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -25,6 +25,7 @@ #include <drm/drm_print.h> #include "i915_drv.h" +#include "i915_vgpu.h" #include "intel_ringbuffer.h" #include "intel_lrc.h" @@ -386,10 +387,6 @@ static void intel_engine_init_timeline(struct intel_engine_cs *engine) static bool csb_force_mmio(struct drm_i915_private *i915) { - /* GVT emulation depends upon intercepting CSB mmio */ - if (intel_vgpu_active(i915)) - return true; - /* * IOMMU adds unpredictable latency causing the CSB write (from the * GPU into the HWSP) to only be visible some time after the interrupt @@ -398,6 +395,10 @@ static bool csb_force_mmio(struct drm_i915_private *i915) if (intel_vtd_active()) return true; + /* Older GVT emulation depends upon intercepting CSB mmio */ + if (intel_vgpu_active(i915) && !intel_vgpu_has_hwsp_emulation(i915)) + return true; + return false; } @@ -1625,8 +1626,10 @@ static void print_request(struct drm_printer *m, struct drm_i915_gem_request *rq, const char *prefix) { - drm_printf(m, "%s%x [%x:%x] prio=%d @ %dms: %s\n", prefix, - rq->global_seqno, rq->ctx->hw_id, rq->fence.seqno, + drm_printf(m, "%s%x%s [%x:%x] prio=%d @ %dms: %s\n", prefix, + rq->global_seqno, + i915_gem_request_completed(rq) ? "!" : "", + rq->ctx->hw_id, rq->fence.seqno, rq->priotree.priority, jiffies_to_msecs(jiffies - rq->emitted_jiffies), rq->timeline->common->name); @@ -1634,8 +1637,9 @@ static void print_request(struct drm_printer *m, void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *m) { - struct intel_breadcrumbs *b = &engine->breadcrumbs; - struct i915_gpu_error *error = &engine->i915->gpu_error; + struct intel_breadcrumbs * const b = &engine->breadcrumbs; + const struct intel_engine_execlists * const execlists = &engine->execlists; + struct i915_gpu_error * const error = &engine->i915->gpu_error; struct drm_i915_private *dev_priv = engine->i915; struct drm_i915_gem_request *rq; struct rb_node *rb; @@ -1699,7 +1703,6 @@ void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *m) if (i915_modparams.enable_execlists) { const u32 *hws = &engine->status_page.page_addr[I915_HWS_CSB_BUF0_INDEX]; - struct intel_engine_execlists * const execlists = &engine->execlists; u32 ptr, read, write; unsigned int idx; @@ -1747,17 +1750,6 @@ void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *m) } } rcu_read_unlock(); - - spin_lock_irq(&engine->timeline->lock); - for (rb = execlists->first; rb; rb = rb_next(rb)) { - struct i915_priolist *p = - rb_entry(rb, typeof(*p), node); - - list_for_each_entry(rq, &p->requests, - priotree.link) - print_request(m, rq, "\t\tQ "); - } - spin_unlock_irq(&engine->timeline->lock); } else if (INTEL_GEN(dev_priv) > 6) { drm_printf(m, "\tPP_DIR_BASE: 0x%08x\n", I915_READ(RING_PP_DIR_BASE(engine))); @@ -1767,6 +1759,18 @@ void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *m) I915_READ(RING_PP_DIR_DCLV(engine))); } + spin_lock_irq(&engine->timeline->lock); + list_for_each_entry(rq, &engine->timeline->requests, link) + print_request(m, rq, "\t\tE "); + for (rb = execlists->first; rb; rb = rb_next(rb)) { + struct i915_priolist *p = + rb_entry(rb, typeof(*p), node); + + list_for_each_entry(rq, &p->requests, priotree.link) + print_request(m, rq, "\t\tQ "); + } + spin_unlock_irq(&engine->timeline->lock); + spin_lock_irq(&b->rb_lock); for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) { struct intel_wait *w = rb_entry(rb, typeof(*w), node); diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index 8e3a05505f49..1a0f5e0c8d10 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -69,9 +69,9 @@ static inline bool no_fbc_on_multiple_pipes(struct drm_i915_private *dev_priv) * address we program because it starts at the real start of the buffer, so we * have to take this into consideration here. */ -static unsigned int get_crtc_fence_y_offset(struct intel_crtc *crtc) +static unsigned int get_crtc_fence_y_offset(struct intel_fbc *fbc) { - return crtc->base.y - crtc->adjusted_y; + return fbc->state_cache.plane.y - fbc->state_cache.plane.adjusted_y; } /* @@ -727,8 +727,8 @@ static bool intel_fbc_hw_tracking_covers_screen(struct intel_crtc *crtc) intel_fbc_get_plane_source_size(&fbc->state_cache, &effective_w, &effective_h); - effective_w += crtc->adjusted_x; - effective_h += crtc->adjusted_y; + effective_w += fbc->state_cache.plane.adjusted_x; + effective_h += fbc->state_cache.plane.adjusted_y; return effective_w <= max_w && effective_h <= max_h; } @@ -757,6 +757,9 @@ static void intel_fbc_update_state_cache(struct intel_crtc *crtc, cache->plane.src_w = drm_rect_width(&plane_state->base.src) >> 16; cache->plane.src_h = drm_rect_height(&plane_state->base.src) >> 16; cache->plane.visible = plane_state->base.visible; + cache->plane.adjusted_x = plane_state->main.x; + cache->plane.adjusted_y = plane_state->main.y; + cache->plane.y = plane_state->base.src.y1 >> 16; if (!cache->plane.visible) return; @@ -888,7 +891,7 @@ static void intel_fbc_get_reg_params(struct intel_crtc *crtc, params->crtc.pipe = crtc->pipe; params->crtc.plane = crtc->plane; - params->crtc.fence_y_offset = get_crtc_fence_y_offset(crtc); + params->crtc.fence_y_offset = get_crtc_fence_y_offset(fbc); params->fb.format = cache->fb.format; params->fb.stride = cache->fb.stride; diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c index f2bb8116227c..b8af35187d22 100644 --- a/drivers/gpu/drm/i915/intel_fbdev.c +++ b/drivers/gpu/drm/i915/intel_fbdev.c @@ -189,7 +189,7 @@ static int intelfb_create(struct drm_fb_helper *helper, " releasing it\n", intel_fb->base.width, intel_fb->base.height, sizes->fb_width, sizes->fb_height); - drm_framebuffer_unreference(&intel_fb->base); + drm_framebuffer_put(&intel_fb->base); intel_fb = ifbdev->fb = NULL; } if (!intel_fb || WARN_ON(!intel_fb->obj)) { @@ -627,7 +627,7 @@ static bool intel_fbdev_init_bios(struct drm_device *dev, ifbdev->preferred_bpp = fb->base.format->cpp[0] * 8; ifbdev->fb = fb; - drm_framebuffer_reference(&ifbdev->fb->base); + drm_framebuffer_get(&ifbdev->fb->base); /* Final pass to check if any active pipes don't have fbs */ for_each_crtc(dev, crtc) { diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c index 9e18c4fb9909..10037c0fdf95 100644 --- a/drivers/gpu/drm/i915/intel_guc.c +++ b/drivers/gpu/drm/i915/intel_guc.c @@ -67,6 +67,99 @@ void intel_guc_init_early(struct intel_guc *guc) guc->notify = gen8_guc_raise_irq; } +static u32 get_gt_type(struct drm_i915_private *dev_priv) +{ + /* XXX: GT type based on PCI device ID? field seems unused by fw */ + return 0; +} + +static u32 get_core_family(struct drm_i915_private *dev_priv) +{ + u32 gen = INTEL_GEN(dev_priv); + + switch (gen) { + case 9: + return GUC_CORE_FAMILY_GEN9; + + default: + MISSING_CASE(gen); + return GUC_CORE_FAMILY_UNKNOWN; + } +} + +/* + * Initialise the GuC parameter block before starting the firmware + * transfer. These parameters are read by the firmware on startup + * and cannot be changed thereafter. + */ +void intel_guc_init_params(struct intel_guc *guc) +{ + struct drm_i915_private *dev_priv = guc_to_i915(guc); + u32 params[GUC_CTL_MAX_DWORDS]; + int i; + + memset(params, 0, sizeof(params)); + + params[GUC_CTL_DEVICE_INFO] |= + (get_gt_type(dev_priv) << GUC_CTL_GT_TYPE_SHIFT) | + (get_core_family(dev_priv) << GUC_CTL_CORE_FAMILY_SHIFT); + + /* + * GuC ARAT increment is 10 ns. GuC default scheduler quantum is one + * second. This ARAR is calculated by: + * Scheduler-Quantum-in-ns / ARAT-increment-in-ns = 1000000000 / 10 + */ + params[GUC_CTL_ARAT_HIGH] = 0; + params[GUC_CTL_ARAT_LOW] = 100000000; + + params[GUC_CTL_WA] |= GUC_CTL_WA_UK_BY_DRIVER; + + params[GUC_CTL_FEATURE] |= GUC_CTL_DISABLE_SCHEDULER | + GUC_CTL_VCS2_ENABLED; + + params[GUC_CTL_LOG_PARAMS] = guc->log.flags; + + if (i915_modparams.guc_log_level >= 0) { + params[GUC_CTL_DEBUG] = + i915_modparams.guc_log_level << GUC_LOG_VERBOSITY_SHIFT; + } else { + params[GUC_CTL_DEBUG] = GUC_LOG_DISABLED; + } + + /* If GuC submission is enabled, set up additional parameters here */ + if (i915_modparams.enable_guc_submission) { + u32 ads = guc_ggtt_offset(guc->ads_vma) >> PAGE_SHIFT; + u32 pgs = guc_ggtt_offset(dev_priv->guc.stage_desc_pool); + u32 ctx_in_16 = GUC_MAX_STAGE_DESCRIPTORS / 16; + + params[GUC_CTL_DEBUG] |= ads << GUC_ADS_ADDR_SHIFT; + params[GUC_CTL_DEBUG] |= GUC_ADS_ENABLED; + + pgs >>= PAGE_SHIFT; + params[GUC_CTL_CTXINFO] = (pgs << GUC_CTL_BASE_ADDR_SHIFT) | + (ctx_in_16 << GUC_CTL_CTXNUM_IN16_SHIFT); + + params[GUC_CTL_FEATURE] |= GUC_CTL_KERNEL_SUBMISSIONS; + + /* Unmask this bit to enable the GuC's internal scheduler */ + params[GUC_CTL_FEATURE] &= ~GUC_CTL_DISABLE_SCHEDULER; + } + + /* + * All SOFT_SCRATCH registers are in FORCEWAKE_BLITTER domain and + * they are power context saved so it's ok to release forcewake + * when we are done here and take it again at xfer time. + */ + intel_uncore_forcewake_get(dev_priv, FORCEWAKE_BLITTER); + + I915_WRITE(SOFT_SCRATCH(0), 0); + + for (i = 0; i < GUC_CTL_MAX_DWORDS; i++) + I915_WRITE(SOFT_SCRATCH(1 + i), params[i]); + + intel_uncore_forcewake_put(dev_priv, FORCEWAKE_BLITTER); +} + int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len) { WARN(1, "Unexpected send: action=%#x\n", *action); @@ -263,3 +356,14 @@ err: i915_gem_object_put(obj); return vma; } + +u32 intel_guc_wopcm_size(struct drm_i915_private *dev_priv) +{ + u32 wopcm_size = GUC_WOPCM_TOP; + + /* On BXT, the top of WOPCM is reserved for RC6 context */ + if (IS_GEN9_LP(dev_priv)) + wopcm_size -= BXT_GUC_WOPCM_RC6_RESERVED; + + return wopcm_size; +} diff --git a/drivers/gpu/drm/i915/intel_guc.h b/drivers/gpu/drm/i915/intel_guc.h index aa9a7b55be6e..418450b1ae27 100644 --- a/drivers/gpu/drm/i915/intel_guc.h +++ b/drivers/gpu/drm/i915/intel_guc.h @@ -26,6 +26,7 @@ #define _INTEL_GUC_H_ #include "intel_uncore.h" +#include "intel_guc_fw.h" #include "intel_guc_fwif.h" #include "intel_guc_ct.h" #include "intel_guc_log.h" @@ -33,6 +34,11 @@ #include "i915_guc_reg.h" #include "i915_vma.h" +/* + * Top level structure of GuC. It handles firmware loading and manages client + * pool and doorbells. intel_guc owns a i915_guc_client to replace the legacy + * ExecList submission. + */ struct intel_guc { struct intel_uc_fw fw; struct intel_guc_log log; @@ -83,6 +89,12 @@ static inline void intel_guc_notify(struct intel_guc *guc) guc->notify(guc); } +/* + * GuC does not allow any gfx GGTT address that falls into range [0, WOPCM_TOP), + * which is reserved for Boot ROM, SRAM and WOPCM. Currently this top address is + * 512K. In order to exclude 0-512K address space from GGTT, all gfx objects + * used by GuC is pinned with PIN_OFFSET_BIAS along with size of WOPCM. + */ static inline u32 guc_ggtt_offset(struct i915_vma *vma) { u32 offset = i915_ggtt_offset(vma); @@ -95,6 +107,7 @@ static inline u32 guc_ggtt_offset(struct i915_vma *vma) void intel_guc_init_early(struct intel_guc *guc); void intel_guc_init_send_regs(struct intel_guc *guc); +void intel_guc_init_params(struct intel_guc *guc); int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len); int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len); int intel_guc_sample_forcewake(struct intel_guc *guc); @@ -102,9 +115,6 @@ int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset); int intel_guc_suspend(struct drm_i915_private *dev_priv); int intel_guc_resume(struct drm_i915_private *dev_priv); struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size); - -int intel_guc_select_fw(struct intel_guc *guc); -int intel_guc_init_hw(struct intel_guc *guc); u32 intel_guc_wopcm_size(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_fw.c index c7a800a3798d..ef67a36354c5 100644 --- a/drivers/gpu/drm/i915/intel_guc_loader.c +++ b/drivers/gpu/drm/i915/intel_guc_fw.c @@ -26,31 +26,9 @@ * Dave Gordon <david.s.gordon@intel.com> * Alex Dai <yu.dai@intel.com> */ -#include "i915_drv.h" -#include "intel_uc.h" -/** - * DOC: GuC-specific firmware loader - * - * intel_guc: - * Top level structure of guc. It handles firmware loading and manages client - * pool and doorbells. intel_guc owns a i915_guc_client to replace the legacy - * ExecList submission. - * - * Firmware versioning: - * The firmware build process will generate a version header file with major and - * minor version defined. The versions are built into CSS header of firmware. - * i915 kernel driver set the minimal firmware version required per platform. - * The firmware installation package will install (symbolic link) proper version - * of firmware. - * - * GuC address space: - * GuC does not allow any gfx GGTT address that falls into range [0, WOPCM_TOP), - * which is reserved for Boot ROM, SRAM and WOPCM. Currently this top address is - * 512K. In order to exclude 0-512K address space from GGTT, all gfx objects - * used by GuC is pinned with PIN_OFFSET_BIAS along with size of WOPCM. - * - */ +#include "intel_guc_fw.h" +#include "i915_drv.h" #define SKL_FW_MAJOR 6 #define SKL_FW_MINOR 1 @@ -78,88 +56,45 @@ MODULE_FIRMWARE(I915_KBL_GUC_UCODE); #define I915_GLK_GUC_UCODE GUC_FW_PATH(glk, GLK_FW_MAJOR, GLK_FW_MINOR) - -static u32 get_gttype(struct drm_i915_private *dev_priv) -{ - /* XXX: GT type based on PCI device ID? field seems unused by fw */ - return 0; -} - -static u32 get_core_family(struct drm_i915_private *dev_priv) -{ - u32 gen = INTEL_GEN(dev_priv); - - switch (gen) { - case 9: - return GUC_CORE_FAMILY_GEN9; - - default: - MISSING_CASE(gen); - return GUC_CORE_FAMILY_UNKNOWN; - } -} - -/* - * Initialise the GuC parameter block before starting the firmware - * transfer. These parameters are read by the firmware on startup - * and cannot be changed thereafter. +/** + * intel_guc_fw_select() - selects GuC firmware for uploading + * + * @guc: intel_guc struct + * + * Return: zero when we know firmware, non-zero in other case */ -static void guc_params_init(struct drm_i915_private *dev_priv) +int intel_guc_fw_select(struct intel_guc *guc) { - struct intel_guc *guc = &dev_priv->guc; - u32 params[GUC_CTL_MAX_DWORDS]; - int i; - - memset(¶ms, 0, sizeof(params)); - - params[GUC_CTL_DEVICE_INFO] |= - (get_gttype(dev_priv) << GUC_CTL_GTTYPE_SHIFT) | - (get_core_family(dev_priv) << GUC_CTL_COREFAMILY_SHIFT); - - /* - * GuC ARAT increment is 10 ns. GuC default scheduler quantum is one - * second. This ARAR is calculated by: - * Scheduler-Quantum-in-ns / ARAT-increment-in-ns = 1000000000 / 10 - */ - params[GUC_CTL_ARAT_HIGH] = 0; - params[GUC_CTL_ARAT_LOW] = 100000000; - - params[GUC_CTL_WA] |= GUC_CTL_WA_UK_BY_DRIVER; - - params[GUC_CTL_FEATURE] |= GUC_CTL_DISABLE_SCHEDULER | - GUC_CTL_VCS2_ENABLED; - - params[GUC_CTL_LOG_PARAMS] = guc->log.flags; - - if (i915_modparams.guc_log_level >= 0) { - params[GUC_CTL_DEBUG] = - i915_modparams.guc_log_level << GUC_LOG_VERBOSITY_SHIFT; - } else - params[GUC_CTL_DEBUG] = GUC_LOG_DISABLED; - - /* If GuC submission is enabled, set up additional parameters here */ - if (i915_modparams.enable_guc_submission) { - u32 ads = guc_ggtt_offset(guc->ads_vma) >> PAGE_SHIFT; - u32 pgs = guc_ggtt_offset(dev_priv->guc.stage_desc_pool); - u32 ctx_in_16 = GUC_MAX_STAGE_DESCRIPTORS / 16; - - params[GUC_CTL_DEBUG] |= ads << GUC_ADS_ADDR_SHIFT; - params[GUC_CTL_DEBUG] |= GUC_ADS_ENABLED; - - pgs >>= PAGE_SHIFT; - params[GUC_CTL_CTXINFO] = (pgs << GUC_CTL_BASE_ADDR_SHIFT) | - (ctx_in_16 << GUC_CTL_CTXNUM_IN16_SHIFT); + struct drm_i915_private *dev_priv = guc_to_i915(guc); - params[GUC_CTL_FEATURE] |= GUC_CTL_KERNEL_SUBMISSIONS; + intel_uc_fw_init(&guc->fw, INTEL_UC_FW_TYPE_GUC); - /* Unmask this bit to enable the GuC's internal scheduler */ - params[GUC_CTL_FEATURE] &= ~GUC_CTL_DISABLE_SCHEDULER; + if (i915_modparams.guc_firmware_path) { + guc->fw.path = i915_modparams.guc_firmware_path; + guc->fw.major_ver_wanted = 0; + guc->fw.minor_ver_wanted = 0; + } else if (IS_SKYLAKE(dev_priv)) { + guc->fw.path = I915_SKL_GUC_UCODE; + guc->fw.major_ver_wanted = SKL_FW_MAJOR; + guc->fw.minor_ver_wanted = SKL_FW_MINOR; + } else if (IS_BROXTON(dev_priv)) { + guc->fw.path = I915_BXT_GUC_UCODE; + guc->fw.major_ver_wanted = BXT_FW_MAJOR; + guc->fw.minor_ver_wanted = BXT_FW_MINOR; + } else if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) { + guc->fw.path = I915_KBL_GUC_UCODE; + guc->fw.major_ver_wanted = KBL_FW_MAJOR; + guc->fw.minor_ver_wanted = KBL_FW_MINOR; + } else if (IS_GEMINILAKE(dev_priv)) { + guc->fw.path = I915_GLK_GUC_UCODE; + guc->fw.major_ver_wanted = GLK_FW_MAJOR; + guc->fw.minor_ver_wanted = GLK_FW_MINOR; + } else { + DRM_ERROR("No GuC firmware known for platform with GuC!\n"); + return -ENOENT; } - I915_WRITE(SOFT_SCRATCH(0), 0); - - for (i = 0; i < GUC_CTL_MAX_DWORDS; i++) - I915_WRITE(SOFT_SCRATCH(1 + i), params[i]); + return 0; } /* @@ -250,38 +185,16 @@ static int guc_ucode_xfer_dma(struct drm_i915_private *dev_priv, return ret; } -u32 intel_guc_wopcm_size(struct drm_i915_private *dev_priv) -{ - u32 wopcm_size = GUC_WOPCM_TOP; - - /* On BXT, the top of WOPCM is reserved for RC6 context */ - if (IS_GEN9_LP(dev_priv)) - wopcm_size -= BXT_GUC_WOPCM_RC6_RESERVED; - - return wopcm_size; -} - /* * Load the GuC firmware blob into the MinuteIA. */ -static int guc_ucode_xfer(struct drm_i915_private *dev_priv) +static int guc_ucode_xfer(struct intel_uc_fw *guc_fw, struct i915_vma *vma) { - struct intel_uc_fw *guc_fw = &dev_priv->guc.fw; - struct i915_vma *vma; + struct intel_guc *guc = container_of(guc_fw, struct intel_guc, fw); + struct drm_i915_private *dev_priv = guc_to_i915(guc); int ret; - ret = i915_gem_object_set_to_gtt_domain(guc_fw->obj, false); - if (ret) { - DRM_DEBUG_DRIVER("set-domain failed %d\n", ret); - return ret; - } - - vma = i915_gem_object_ggtt_pin(guc_fw->obj, NULL, 0, 0, - PIN_OFFSET_BIAS | GUC_WOPCM_TOP); - if (IS_ERR(vma)) { - DRM_DEBUG_DRIVER("pin failed %d\n", (int)PTR_ERR(vma)); - return PTR_ERR(vma); - } + GEM_BUG_ON(guc_fw->type != INTEL_UC_FW_TYPE_GUC); intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); @@ -312,23 +225,15 @@ static int guc_ucode_xfer(struct drm_i915_private *dev_priv) I915_WRITE(GUC_ARAT_C6DIS, 0x1FF); } - guc_params_init(dev_priv); - ret = guc_ucode_xfer_dma(dev_priv, vma); intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); - /* - * We keep the object pages for reuse during resume. But we can unpin it - * now that DMA has completed, so it doesn't continue to take up space. - */ - i915_vma_unpin(vma); - return ret; } /** - * intel_guc_init_hw() - finish preparing the GuC for activity + * intel_guc_fw_upload() - finish preparing the GuC for activity * @guc: intel_guc structure * * Called during driver loading and also after a GPU reset. @@ -340,78 +245,7 @@ static int guc_ucode_xfer(struct drm_i915_private *dev_priv) * * Return: non-zero code on error */ -int intel_guc_init_hw(struct intel_guc *guc) -{ - struct drm_i915_private *dev_priv = guc_to_i915(guc); - const char *fw_path = guc->fw.path; - int ret; - - DRM_DEBUG_DRIVER("GuC fw status: path %s, fetch %s, load %s\n", - fw_path, - intel_uc_fw_status_repr(guc->fw.fetch_status), - intel_uc_fw_status_repr(guc->fw.load_status)); - - if (guc->fw.fetch_status != INTEL_UC_FIRMWARE_SUCCESS) - return -EIO; - - guc->fw.load_status = INTEL_UC_FIRMWARE_PENDING; - - DRM_DEBUG_DRIVER("GuC fw status: fetch %s, load %s\n", - intel_uc_fw_status_repr(guc->fw.fetch_status), - intel_uc_fw_status_repr(guc->fw.load_status)); - - ret = guc_ucode_xfer(dev_priv); - - if (ret) - return -EAGAIN; - - guc->fw.load_status = INTEL_UC_FIRMWARE_SUCCESS; - - DRM_INFO("GuC %s (firmware %s [version %u.%u])\n", - i915_modparams.enable_guc_submission ? "submission enabled" : - "loaded", - guc->fw.path, - guc->fw.major_ver_found, guc->fw.minor_ver_found); - - return 0; -} - -/** - * intel_guc_select_fw() - selects GuC firmware for loading - * @guc: intel_guc struct - * - * Return: zero when we know firmware, non-zero in other case - */ -int intel_guc_select_fw(struct intel_guc *guc) +int intel_guc_fw_upload(struct intel_guc *guc) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); - - intel_uc_fw_init(&guc->fw, INTEL_UC_FW_TYPE_GUC); - - if (i915_modparams.guc_firmware_path) { - guc->fw.path = i915_modparams.guc_firmware_path; - guc->fw.major_ver_wanted = 0; - guc->fw.minor_ver_wanted = 0; - } else if (IS_SKYLAKE(dev_priv)) { - guc->fw.path = I915_SKL_GUC_UCODE; - guc->fw.major_ver_wanted = SKL_FW_MAJOR; - guc->fw.minor_ver_wanted = SKL_FW_MINOR; - } else if (IS_BROXTON(dev_priv)) { - guc->fw.path = I915_BXT_GUC_UCODE; - guc->fw.major_ver_wanted = BXT_FW_MAJOR; - guc->fw.minor_ver_wanted = BXT_FW_MINOR; - } else if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) { - guc->fw.path = I915_KBL_GUC_UCODE; - guc->fw.major_ver_wanted = KBL_FW_MAJOR; - guc->fw.minor_ver_wanted = KBL_FW_MINOR; - } else if (IS_GEMINILAKE(dev_priv)) { - guc->fw.path = I915_GLK_GUC_UCODE; - guc->fw.major_ver_wanted = GLK_FW_MAJOR; - guc->fw.minor_ver_wanted = GLK_FW_MINOR; - } else { - DRM_ERROR("No GuC firmware known for platform with GuC!\n"); - return -ENOENT; - } - - return 0; + return intel_uc_fw_upload(&guc->fw, guc_ucode_xfer); } diff --git a/drivers/gpu/drm/i915/intel_guc_fw.h b/drivers/gpu/drm/i915/intel_guc_fw.h new file mode 100644 index 000000000000..023f5baa9dd6 --- /dev/null +++ b/drivers/gpu/drm/i915/intel_guc_fw.h @@ -0,0 +1,33 @@ +/* + * Copyright © 2017 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#ifndef _INTEL_GUC_FW_H_ +#define _INTEL_GUC_FW_H_ + +struct intel_guc; + +int intel_guc_fw_select(struct intel_guc *guc); +int intel_guc_fw_upload(struct intel_guc *guc); + +#endif diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/intel_guc_fwif.h index 1c0a2a3de121..80c507435458 100644 --- a/drivers/gpu/drm/i915/intel_guc_fwif.h +++ b/drivers/gpu/drm/i915/intel_guc_fwif.h @@ -82,8 +82,8 @@ #define GUC_CTL_ARAT_LOW 2 #define GUC_CTL_DEVICE_INFO 3 -#define GUC_CTL_GTTYPE_SHIFT 0 -#define GUC_CTL_COREFAMILY_SHIFT 7 +#define GUC_CTL_GT_TYPE_SHIFT 0 +#define GUC_CTL_CORE_FAMILY_SHIFT 7 #define GUC_CTL_LOG_PARAMS 4 #define GUC_LOG_VALID (1 << 0) diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index e6f8f30ce7bd..5132dc814788 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -70,7 +70,7 @@ static struct intel_hdmi *intel_attached_hdmi(struct drm_connector *connector) return enc_to_intel_hdmi(&intel_attached_encoder(connector)->base); } -static u32 g4x_infoframe_index(enum hdmi_infoframe_type type) +static u32 g4x_infoframe_index(unsigned int type) { switch (type) { case HDMI_INFOFRAME_TYPE_AVI: @@ -85,7 +85,7 @@ static u32 g4x_infoframe_index(enum hdmi_infoframe_type type) } } -static u32 g4x_infoframe_enable(enum hdmi_infoframe_type type) +static u32 g4x_infoframe_enable(unsigned int type) { switch (type) { case HDMI_INFOFRAME_TYPE_AVI: @@ -100,9 +100,11 @@ static u32 g4x_infoframe_enable(enum hdmi_infoframe_type type) } } -static u32 hsw_infoframe_enable(enum hdmi_infoframe_type type) +static u32 hsw_infoframe_enable(unsigned int type) { switch (type) { + case DP_SDP_VSC: + return VIDEO_DIP_ENABLE_VSC_HSW; case HDMI_INFOFRAME_TYPE_AVI: return VIDEO_DIP_ENABLE_AVI_HSW; case HDMI_INFOFRAME_TYPE_SPD: @@ -118,10 +120,12 @@ static u32 hsw_infoframe_enable(enum hdmi_infoframe_type type) static i915_reg_t hsw_dip_data_reg(struct drm_i915_private *dev_priv, enum transcoder cpu_transcoder, - enum hdmi_infoframe_type type, + unsigned int type, int i) { switch (type) { + case DP_SDP_VSC: + return HSW_TVIDEO_DIP_VSC_DATA(cpu_transcoder, i); case HDMI_INFOFRAME_TYPE_AVI: return HSW_TVIDEO_DIP_AVI_DATA(cpu_transcoder, i); case HDMI_INFOFRAME_TYPE_SPD: @@ -136,7 +140,7 @@ hsw_dip_data_reg(struct drm_i915_private *dev_priv, static void g4x_write_infoframe(struct drm_encoder *encoder, const struct intel_crtc_state *crtc_state, - enum hdmi_infoframe_type type, + unsigned int type, const void *frame, ssize_t len) { const uint32_t *data = frame; @@ -191,7 +195,7 @@ static bool g4x_infoframe_enabled(struct drm_encoder *encoder, static void ibx_write_infoframe(struct drm_encoder *encoder, const struct intel_crtc_state *crtc_state, - enum hdmi_infoframe_type type, + unsigned int type, const void *frame, ssize_t len) { const uint32_t *data = frame; @@ -251,7 +255,7 @@ static bool ibx_infoframe_enabled(struct drm_encoder *encoder, static void cpt_write_infoframe(struct drm_encoder *encoder, const struct intel_crtc_state *crtc_state, - enum hdmi_infoframe_type type, + unsigned int type, const void *frame, ssize_t len) { const uint32_t *data = frame; @@ -309,7 +313,7 @@ static bool cpt_infoframe_enabled(struct drm_encoder *encoder, static void vlv_write_infoframe(struct drm_encoder *encoder, const struct intel_crtc_state *crtc_state, - enum hdmi_infoframe_type type, + unsigned int type, const void *frame, ssize_t len) { const uint32_t *data = frame; @@ -368,7 +372,7 @@ static bool vlv_infoframe_enabled(struct drm_encoder *encoder, static void hsw_write_infoframe(struct drm_encoder *encoder, const struct intel_crtc_state *crtc_state, - enum hdmi_infoframe_type type, + unsigned int type, const void *frame, ssize_t len) { const uint32_t *data = frame; @@ -377,6 +381,8 @@ static void hsw_write_infoframe(struct drm_encoder *encoder, enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; i915_reg_t ctl_reg = HSW_TVIDEO_DIP_CTL(cpu_transcoder); i915_reg_t data_reg; + int data_size = type == DP_SDP_VSC ? + VIDEO_DIP_VSC_DATA_SIZE : VIDEO_DIP_DATA_SIZE; int i; u32 val = I915_READ(ctl_reg); @@ -392,7 +398,7 @@ static void hsw_write_infoframe(struct drm_encoder *encoder, data++; } /* Write every possible data byte to force correct ECC calculation. */ - for (; i < VIDEO_DIP_DATA_SIZE; i += 4) + for (; i < data_size; i += 4) I915_WRITE(hsw_dip_data_reg(dev_priv, cpu_transcoder, type, i >> 2), 0); mmiowb(); diff --git a/drivers/gpu/drm/i915/intel_huc.c b/drivers/gpu/drm/i915/intel_huc.c index 4b4cf56d29ad..c8a48cbc2b7d 100644 --- a/drivers/gpu/drm/i915/intel_huc.c +++ b/drivers/gpu/drm/i915/intel_huc.c @@ -78,6 +78,42 @@ MODULE_FIRMWARE(I915_KBL_HUC_UCODE); GLK_HUC_FW_MINOR, GLK_BLD_NUM) /** + * intel_huc_select_fw() - selects HuC firmware for loading + * @huc: intel_huc struct + */ +void intel_huc_select_fw(struct intel_huc *huc) +{ + struct drm_i915_private *dev_priv = huc_to_i915(huc); + + intel_uc_fw_init(&huc->fw, INTEL_UC_FW_TYPE_HUC); + + if (i915_modparams.huc_firmware_path) { + huc->fw.path = i915_modparams.huc_firmware_path; + huc->fw.major_ver_wanted = 0; + huc->fw.minor_ver_wanted = 0; + } else if (IS_SKYLAKE(dev_priv)) { + huc->fw.path = I915_SKL_HUC_UCODE; + huc->fw.major_ver_wanted = SKL_HUC_FW_MAJOR; + huc->fw.minor_ver_wanted = SKL_HUC_FW_MINOR; + } else if (IS_BROXTON(dev_priv)) { + huc->fw.path = I915_BXT_HUC_UCODE; + huc->fw.major_ver_wanted = BXT_HUC_FW_MAJOR; + huc->fw.minor_ver_wanted = BXT_HUC_FW_MINOR; + } else if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) { + huc->fw.path = I915_KBL_HUC_UCODE; + huc->fw.major_ver_wanted = KBL_HUC_FW_MAJOR; + huc->fw.minor_ver_wanted = KBL_HUC_FW_MINOR; + } else if (IS_GEMINILAKE(dev_priv)) { + huc->fw.path = I915_GLK_HUC_UCODE; + huc->fw.major_ver_wanted = GLK_HUC_FW_MAJOR; + huc->fw.minor_ver_wanted = GLK_HUC_FW_MINOR; + } else { + DRM_ERROR("No HuC firmware known for platform with HuC!\n"); + return; + } +} + +/** * huc_ucode_xfer() - DMA's the firmware * @dev_priv: the drm_i915_private device * @@ -85,26 +121,15 @@ MODULE_FIRMWARE(I915_KBL_HUC_UCODE); * * Return: 0 on success, non-zero on failure */ -static int huc_ucode_xfer(struct drm_i915_private *dev_priv) +static int huc_ucode_xfer(struct intel_uc_fw *huc_fw, struct i915_vma *vma) { - struct intel_uc_fw *huc_fw = &dev_priv->huc.fw; - struct i915_vma *vma; + struct intel_huc *huc = container_of(huc_fw, struct intel_huc, fw); + struct drm_i915_private *dev_priv = huc_to_i915(huc); unsigned long offset = 0; u32 size; int ret; - ret = i915_gem_object_set_to_gtt_domain(huc_fw->obj, false); - if (ret) { - DRM_DEBUG_DRIVER("set-domain failed %d\n", ret); - return ret; - } - - vma = i915_gem_object_ggtt_pin(huc_fw->obj, NULL, 0, 0, - PIN_OFFSET_BIAS | GUC_WOPCM_TOP); - if (IS_ERR(vma)) { - DRM_DEBUG_DRIVER("pin failed %d\n", (int)PTR_ERR(vma)); - return PTR_ERR(vma); - } + GEM_BUG_ON(huc_fw->type != INTEL_UC_FW_TYPE_HUC); intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); @@ -135,52 +160,10 @@ static int huc_ucode_xfer(struct drm_i915_private *dev_priv) intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); - /* - * We keep the object pages for reuse during resume. But we can unpin it - * now that DMA has completed, so it doesn't continue to take up space. - */ - i915_vma_unpin(vma); - return ret; } /** - * intel_huc_select_fw() - selects HuC firmware for loading - * @huc: intel_huc struct - */ -void intel_huc_select_fw(struct intel_huc *huc) -{ - struct drm_i915_private *dev_priv = huc_to_i915(huc); - - intel_uc_fw_init(&huc->fw, INTEL_UC_FW_TYPE_HUC); - - if (i915_modparams.huc_firmware_path) { - huc->fw.path = i915_modparams.huc_firmware_path; - huc->fw.major_ver_wanted = 0; - huc->fw.minor_ver_wanted = 0; - } else if (IS_SKYLAKE(dev_priv)) { - huc->fw.path = I915_SKL_HUC_UCODE; - huc->fw.major_ver_wanted = SKL_HUC_FW_MAJOR; - huc->fw.minor_ver_wanted = SKL_HUC_FW_MINOR; - } else if (IS_BROXTON(dev_priv)) { - huc->fw.path = I915_BXT_HUC_UCODE; - huc->fw.major_ver_wanted = BXT_HUC_FW_MAJOR; - huc->fw.minor_ver_wanted = BXT_HUC_FW_MINOR; - } else if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) { - huc->fw.path = I915_KBL_HUC_UCODE; - huc->fw.major_ver_wanted = KBL_HUC_FW_MAJOR; - huc->fw.minor_ver_wanted = KBL_HUC_FW_MINOR; - } else if (IS_GEMINILAKE(dev_priv)) { - huc->fw.path = I915_GLK_HUC_UCODE; - huc->fw.major_ver_wanted = GLK_HUC_FW_MAJOR; - huc->fw.minor_ver_wanted = GLK_HUC_FW_MINOR; - } else { - DRM_ERROR("No HuC firmware known for platform with HuC!\n"); - return; - } -} - -/** * intel_huc_init_hw() - load HuC uCode to device * @huc: intel_huc structure * @@ -194,33 +177,7 @@ void intel_huc_select_fw(struct intel_huc *huc) */ void intel_huc_init_hw(struct intel_huc *huc) { - struct drm_i915_private *dev_priv = huc_to_i915(huc); - int err; - - DRM_DEBUG_DRIVER("%s fw status: fetch %s, load %s\n", - huc->fw.path, - intel_uc_fw_status_repr(huc->fw.fetch_status), - intel_uc_fw_status_repr(huc->fw.load_status)); - - if (huc->fw.fetch_status != INTEL_UC_FIRMWARE_SUCCESS) - return; - - huc->fw.load_status = INTEL_UC_FIRMWARE_PENDING; - - err = huc_ucode_xfer(dev_priv); - - huc->fw.load_status = err ? - INTEL_UC_FIRMWARE_FAIL : INTEL_UC_FIRMWARE_SUCCESS; - - DRM_DEBUG_DRIVER("%s fw status: fetch %s, load %s\n", - huc->fw.path, - intel_uc_fw_status_repr(huc->fw.fetch_status), - intel_uc_fw_status_repr(huc->fw.load_status)); - - if (huc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS) - DRM_ERROR("Failed to complete HuC uCode load with ret %d\n", err); - - return; + intel_uc_fw_upload(&huc->fw, huc_ucode_xfer); } /** diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index fbfcf88d7fe3..7f45dd7dc3e5 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -793,7 +793,6 @@ static void intel_lrc_irq_handler(unsigned long data) &engine->status_page.page_addr[I915_HWS_CSB_BUF0_INDEX]; unsigned int head, tail; - /* However GVT emulation depends upon intercepting CSB mmio */ if (unlikely(execlists->csb_use_mmio)) { buf = (u32 * __force) (dev_priv->regs + i915_mmio_reg_offset(RING_CONTEXT_STATUS_BUF_LO(engine, 0))); @@ -1094,6 +1093,7 @@ execlists_context_pin(struct intel_engine_cs *engine, i915_ggtt_offset(ce->ring->vma); ce->state->obj->mm.dirty = true; + ce->state->obj->pin_global++; i915_gem_context_get(ctx); out: @@ -1121,6 +1121,7 @@ static void execlists_context_unpin(struct intel_engine_cs *engine, intel_ring_unpin(ce->ring); + ce->state->obj->pin_global--; i915_gem_object_unpin_map(ce->state->obj); i915_vma_unpin(ce->state); diff --git a/drivers/gpu/drm/i915/intel_lspcon.c b/drivers/gpu/drm/i915/intel_lspcon.c index beb9baaf2f2e..dcbc786479f9 100644 --- a/drivers/gpu/drm/i915/intel_lspcon.c +++ b/drivers/gpu/drm/i915/intel_lspcon.c @@ -56,7 +56,7 @@ static enum drm_lspcon_mode lspcon_get_current_mode(struct intel_lspcon *lspcon) struct i2c_adapter *adapter = &lspcon_to_intel_dp(lspcon)->aux.ddc; if (drm_lspcon_get_mode(adapter, ¤t_mode)) { - DRM_ERROR("Error reading LSPCON mode\n"); + DRM_DEBUG_KMS("Error reading LSPCON mode\n"); return DRM_LSPCON_MODE_INVALID; } return current_mode; @@ -68,16 +68,15 @@ static enum drm_lspcon_mode lspcon_wait_mode(struct intel_lspcon *lspcon, enum drm_lspcon_mode current_mode; current_mode = lspcon_get_current_mode(lspcon); - if (current_mode == mode || current_mode == DRM_LSPCON_MODE_INVALID) + if (current_mode == mode) goto out; DRM_DEBUG_KMS("Waiting for LSPCON mode %s to settle\n", lspcon_mode_name(mode)); - wait_for((current_mode = lspcon_get_current_mode(lspcon)) == mode || - current_mode == DRM_LSPCON_MODE_INVALID, 100); + wait_for((current_mode = lspcon_get_current_mode(lspcon)) == mode, 100); if (current_mode != mode) - DRM_DEBUG_KMS("LSPCON mode hasn't settled\n"); + DRM_ERROR("LSPCON mode hasn't settled\n"); out: DRM_DEBUG_KMS("Current LSPCON mode %s\n", @@ -133,6 +132,7 @@ static bool lspcon_wake_native_aux_ch(struct intel_lspcon *lspcon) static bool lspcon_probe(struct intel_lspcon *lspcon) { + int retry; enum drm_dp_dual_mode_type adaptor_type; struct i2c_adapter *adapter = &lspcon_to_intel_dp(lspcon)->aux.ddc; enum drm_lspcon_mode expected_mode; @@ -141,10 +141,18 @@ static bool lspcon_probe(struct intel_lspcon *lspcon) DRM_LSPCON_MODE_PCON : DRM_LSPCON_MODE_LS; /* Lets probe the adaptor and check its type */ - adaptor_type = drm_dp_dual_mode_detect(adapter); + for (retry = 0; retry < 6; retry++) { + if (retry) + usleep_range(500, 1000); + + adaptor_type = drm_dp_dual_mode_detect(adapter); + if (adaptor_type == DRM_DP_DUAL_MODE_LSPCON) + break; + } + if (adaptor_type != DRM_DP_DUAL_MODE_LSPCON) { DRM_DEBUG_KMS("No LSPCON detected, found %s\n", - drm_dp_get_dual_mode_type_name(adaptor_type)); + drm_dp_get_dual_mode_type_name(adaptor_type)); return false; } diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 985b59770eec..c42a65a93b3a 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -6591,7 +6591,7 @@ static void gen9_enable_rc6(struct drm_i915_private *dev_priv) { struct intel_engine_cs *engine; enum intel_engine_id id; - uint32_t rc6_mask = 0; + u32 rc6_mode, rc6_mask = 0; /* 1a: Software RC state - RC0 */ I915_WRITE(GEN6_RC_STATE, 0); @@ -6629,8 +6629,15 @@ static void gen9_enable_rc6(struct drm_i915_private *dev_priv) rc6_mask = GEN6_RC_CTL_RC6_ENABLE; DRM_INFO("RC6 %s\n", onoff(rc6_mask & GEN6_RC_CTL_RC6_ENABLE)); I915_WRITE(GEN6_RC6_THRESHOLD, 37500); /* 37.5/125ms per EI */ + + /* WaRsUseTimeoutMode:cnl (pre-prod) */ + if (IS_CNL_REVID(dev_priv, CNL_REVID_A0, CNL_REVID_C0)) + rc6_mode = GEN7_RC_CTL_TO_MODE; + else + rc6_mode = GEN6_RC_CTL_EI_MODE(1); + I915_WRITE(GEN6_RC_CONTROL, - GEN6_RC_CTL_HW_ENABLE | GEN6_RC_CTL_EI_MODE(1) | rc6_mask); + GEN6_RC_CTL_HW_ENABLE | rc6_mode | rc6_mask); /* * 3b: Enable Coarse Power Gating only when RC6 is enabled. diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 5419cda83ba8..6e3b430fccdc 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -58,6 +58,9 @@ static bool is_edp_psr(struct intel_dp *intel_dp) { + if (!intel_dp_is_edp(intel_dp)) + return false; + return intel_dp->psr_dpcd[0] & DP_PSR_IS_SUPPORTED; } @@ -72,37 +75,6 @@ static bool vlv_is_psr_active_on_pipe(struct drm_device *dev, int pipe) (val == VLV_EDP_PSR_ACTIVE_SF_UPDATE); } -static void intel_psr_write_vsc(struct intel_dp *intel_dp, - const struct edp_vsc_psr *vsc_psr) -{ - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - struct drm_device *dev = dig_port->base.base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); - struct intel_crtc *crtc = to_intel_crtc(dig_port->base.base.crtc); - enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; - i915_reg_t ctl_reg = HSW_TVIDEO_DIP_CTL(cpu_transcoder); - uint32_t *data = (uint32_t *) vsc_psr; - unsigned int i; - - /* As per BSPec (Pipe Video Data Island Packet), we need to disable - the video DIP being updated before program video DIP data buffer - registers for DIP being updated. */ - I915_WRITE(ctl_reg, 0); - POSTING_READ(ctl_reg); - - for (i = 0; i < sizeof(*vsc_psr); i += 4) { - I915_WRITE(HSW_TVIDEO_DIP_VSC_DATA(cpu_transcoder, - i >> 2), *data); - data++; - } - for (; i < VIDEO_DIP_VSC_DATA_SIZE; i += 4) - I915_WRITE(HSW_TVIDEO_DIP_VSC_DATA(cpu_transcoder, - i >> 2), 0); - - I915_WRITE(ctl_reg, VIDEO_DIP_ENABLE_VSC_HSW); - POSTING_READ(ctl_reg); -} - static void vlv_psr_setup_vsc(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { @@ -149,7 +121,8 @@ static void hsw_psr_setup_vsc(struct intel_dp *intel_dp, psr_vsc.sdp_header.HB3 = 0x8; } - intel_psr_write_vsc(intel_dp, &psr_vsc); + intel_dig_port->write_infoframe(&intel_dig_port->base.base, crtc_state, + DP_SDP_VSC, &psr_vsc, sizeof(psr_vsc)); } static void vlv_psr_enable_sink(struct intel_dp *intel_dp) @@ -376,22 +349,25 @@ static void hsw_psr_activate(struct intel_dp *intel_dp) hsw_activate_psr1(intel_dp); } -static bool intel_psr_match_conditions(struct intel_dp *intel_dp) +void intel_psr_compute_config(struct intel_dp *intel_dp, + struct intel_crtc_state *crtc_state) { struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - struct drm_device *dev = dig_port->base.base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); - struct drm_crtc *crtc = dig_port->base.base.crtc; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); const struct drm_display_mode *adjusted_mode = - &intel_crtc->config->base.adjusted_mode; + &crtc_state->base.adjusted_mode; int psr_setup_time; - lockdep_assert_held(&dev_priv->psr.lock); - WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); - WARN_ON(!drm_modeset_is_locked(&crtc->mutex)); + if (!HAS_PSR(dev_priv)) + return; + + if (!is_edp_psr(intel_dp)) + return; - dev_priv->psr.source_ok = false; + if (!i915_modparams.enable_psr) { + DRM_DEBUG_KMS("PSR disable by flag\n"); + return; + } /* * HSW spec explicitly says PSR is tied to port A. @@ -402,66 +378,70 @@ static bool intel_psr_match_conditions(struct intel_dp *intel_dp) */ if (HAS_DDI(dev_priv) && dig_port->port != PORT_A) { DRM_DEBUG_KMS("PSR condition failed: Port not supported\n"); - return false; - } - - if (!i915_modparams.enable_psr) { - DRM_DEBUG_KMS("PSR disable by flag\n"); - return false; + return; } if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) && !dev_priv->psr.link_standby) { DRM_ERROR("PSR condition failed: Link off requested but not supported on this platform\n"); - return false; + return; } if (IS_HASWELL(dev_priv) && - I915_READ(HSW_STEREO_3D_CTL(intel_crtc->config->cpu_transcoder)) & + I915_READ(HSW_STEREO_3D_CTL(crtc_state->cpu_transcoder)) & S3D_ENABLE) { DRM_DEBUG_KMS("PSR condition failed: Stereo 3D is Enabled\n"); - return false; + return; } if (IS_HASWELL(dev_priv) && adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { DRM_DEBUG_KMS("PSR condition failed: Interlaced is Enabled\n"); - return false; + return; } psr_setup_time = drm_dp_psr_setup_time(intel_dp->psr_dpcd); if (psr_setup_time < 0) { DRM_DEBUG_KMS("PSR condition failed: Invalid PSR setup time (0x%02x)\n", intel_dp->psr_dpcd[1]); - return false; + return; } if (intel_usecs_to_scanlines(adjusted_mode, psr_setup_time) > adjusted_mode->crtc_vtotal - adjusted_mode->crtc_vdisplay - 1) { DRM_DEBUG_KMS("PSR condition failed: PSR setup time (%d us) too long\n", psr_setup_time); - return false; + return; + } + + /* + * FIXME psr2_support is messed up. It's both computed + * dynamically during PSR enable, and extracted from sink + * caps during eDP detection. + */ + if (!dev_priv->psr.psr2_support) { + crtc_state->has_psr = true; + return; } /* PSR2 is restricted to work with panel resolutions upto 3200x2000 */ - if (dev_priv->psr.psr2_support && - (intel_crtc->config->pipe_src_w > 3200 || - intel_crtc->config->pipe_src_h > 2000)) { - dev_priv->psr.psr2_support = false; - return false; + if (adjusted_mode->crtc_hdisplay > 3200 || + adjusted_mode->crtc_vdisplay > 2000) { + DRM_DEBUG_KMS("PSR2 disabled, panel resolution too big\n"); + return; } /* * FIXME:enable psr2 only for y-cordinate psr2 panels * After gtc implementation , remove this restriction. */ - if (!dev_priv->psr.y_cord_support && dev_priv->psr.psr2_support) { + if (!dev_priv->psr.y_cord_support) { DRM_DEBUG_KMS("PSR2 disabled, panel does not support Y coordinate\n"); - return false; + return; } - dev_priv->psr.source_ok = true; - return true; + crtc_state->has_psr = true; + crtc_state->has_psr2 = true; } static void intel_psr_activate(struct intel_dp *intel_dp) @@ -531,13 +511,8 @@ void intel_psr_enable(struct intel_dp *intel_dp, struct drm_device *dev = intel_dig_port->base.base.dev; struct drm_i915_private *dev_priv = to_i915(dev); - if (!HAS_PSR(dev_priv)) - return; - - if (!is_edp_psr(intel_dp)) { - DRM_DEBUG_KMS("PSR not supported by this panel\n"); + if (!crtc_state->has_psr) return; - } WARN_ON(dev_priv->drrs.dp); mutex_lock(&dev_priv->psr.lock); @@ -546,8 +521,8 @@ void intel_psr_enable(struct intel_dp *intel_dp, goto unlock; } - if (!intel_psr_match_conditions(intel_dp)) - goto unlock; + dev_priv->psr.psr2_support = crtc_state->has_psr2; + dev_priv->psr.source_ok = true; dev_priv->psr.busy_frontbuffer_bits = 0; @@ -668,7 +643,7 @@ void intel_psr_disable(struct intel_dp *intel_dp, struct drm_device *dev = intel_dig_port->base.base.dev; struct drm_i915_private *dev_priv = to_i915(dev); - if (!HAS_PSR(dev_priv)) + if (!old_crtc_state->has_psr) return; mutex_lock(&dev_priv->psr.lock); diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 4285f09ff8b8..8da1bde442dd 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -484,11 +484,6 @@ static bool stop_ring(struct intel_engine_cs *engine) I915_WRITE_HEAD(engine, 0); I915_WRITE_TAIL(engine, 0); - if (INTEL_GEN(dev_priv) > 2) { - (void)I915_READ_CTL(engine); - I915_WRITE_MODE(engine, _MASKED_BIT_DISABLE(STOP_RING)); - } - return (I915_READ_HEAD(engine) & HEAD_ADDR) == 0; } @@ -570,6 +565,9 @@ static int init_ring_common(struct intel_engine_cs *engine) intel_engine_init_hangcheck(engine); + if (INTEL_GEN(dev_priv) > 2) + I915_WRITE_MODE(engine, _MASKED_BIT_DISABLE(STOP_RING)); + out: intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); @@ -1246,6 +1244,8 @@ int intel_ring_pin(struct intel_ring *ring, if (IS_ERR(addr)) goto err; + vma->obj->pin_global++; + ring->vaddr = addr; return 0; @@ -1277,6 +1277,7 @@ void intel_ring_unpin(struct intel_ring *ring) i915_gem_object_unpin_map(ring->vma->obj); ring->vaddr = NULL; + ring->vma->obj->pin_global--; i915_vma_unpin(ring->vma); } @@ -1441,6 +1442,7 @@ intel_ring_context_pin(struct intel_engine_cs *engine, goto err; ce->state->obj->mm.dirty = true; + ce->state->obj->pin_global++; } /* The kernel context is only used as a placeholder for flushing the @@ -1475,8 +1477,10 @@ static void intel_ring_context_unpin(struct intel_engine_cs *engine, if (--ce->pin_count) return; - if (ce->state) + if (ce->state) { + ce->state->obj->pin_global--; i915_vma_unpin(ce->state); + } i915_gem_context_put(ctx); } diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 86fc9b529f2d..4fcf80ca91dd 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -230,7 +230,7 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state) #endif } -static void +void skl_update_plane(struct intel_plane *plane, const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state) @@ -311,7 +311,7 @@ skl_update_plane(struct intel_plane *plane, spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } -static void +void skl_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c index 7b938e822fde..25bd162f38d2 100644 --- a/drivers/gpu/drm/i915/intel_uc.c +++ b/drivers/gpu/drm/i915/intel_uc.c @@ -68,7 +68,7 @@ void intel_uc_sanitize_options(struct drm_i915_private *dev_priv) if (HAS_HUC_UCODE(dev_priv)) intel_huc_select_fw(&dev_priv->huc); - if (intel_guc_select_fw(&dev_priv->guc)) + if (intel_guc_fw_select(&dev_priv->guc)) i915_modparams.enable_guc_loading = 0; } @@ -195,7 +195,8 @@ int intel_uc_init_hw(struct drm_i915_private *dev_priv) goto err_submission; intel_huc_init_hw(&dev_priv->huc); - ret = intel_guc_init_hw(&dev_priv->guc); + intel_guc_init_params(guc); + ret = intel_guc_fw_upload(guc); if (ret == 0 || ret != -EAGAIN) break; @@ -221,6 +222,12 @@ int intel_uc_init_hw(struct drm_i915_private *dev_priv) goto err_interrupts; } + dev_info(dev_priv->drm.dev, "GuC %s (firmware %s [version %u.%u])\n", + i915_modparams.enable_guc_submission ? "submission enabled" : + "loaded", + guc->fw.path, + guc->fw.major_ver_found, guc->fw.minor_ver_found); + return 0; /* @@ -243,12 +250,14 @@ err_submission: err_guc: i915_ggtt_disable_guc(dev_priv); - DRM_ERROR("GuC init failed\n"); if (i915_modparams.enable_guc_loading > 1 || - i915_modparams.enable_guc_submission > 1) + i915_modparams.enable_guc_submission > 1) { + DRM_ERROR("GuC init failed. Firmware loading disabled.\n"); ret = -EIO; - else + } else { + DRM_NOTE("GuC init failed. Firmware loading disabled.\n"); ret = 0; + } if (i915_modparams.enable_guc_submission) { i915_modparams.enable_guc_submission = 0; @@ -256,7 +265,6 @@ err_guc: } i915_modparams.enable_guc_loading = 0; - DRM_NOTE("GuC firmware loading disabled\n"); return ret; } diff --git a/drivers/gpu/drm/i915/intel_uc_fw.c b/drivers/gpu/drm/i915/intel_uc_fw.c index 766b1cbdfbd7..973888e94cba 100644 --- a/drivers/gpu/drm/i915/intel_uc_fw.c +++ b/drivers/gpu/drm/i915/intel_uc_fw.c @@ -23,6 +23,7 @@ */ #include <linux/firmware.h> +#include <drm/drm_print.h> #include "intel_uc_fw.h" #include "i915_drv.h" @@ -45,26 +46,33 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, size_t size; int err; + DRM_DEBUG_DRIVER("%s fw fetch %s\n", + intel_uc_fw_type_repr(uc_fw->type), uc_fw->path); + if (!uc_fw->path) return; uc_fw->fetch_status = INTEL_UC_FIRMWARE_PENDING; - - DRM_DEBUG_DRIVER("before requesting firmware: uC fw fetch status %s\n", + DRM_DEBUG_DRIVER("%s fw fetch %s\n", + intel_uc_fw_type_repr(uc_fw->type), intel_uc_fw_status_repr(uc_fw->fetch_status)); err = request_firmware(&fw, uc_fw->path, &pdev->dev); - if (err) - goto fail; - if (!fw) + if (err) { + DRM_DEBUG_DRIVER("%s fw request_firmware err=%d\n", + intel_uc_fw_type_repr(uc_fw->type), err); goto fail; + } - DRM_DEBUG_DRIVER("fetch uC fw from %s succeeded, fw %p\n", - uc_fw->path, fw); + DRM_DEBUG_DRIVER("%s fw size %zu ptr %p\n", + intel_uc_fw_type_repr(uc_fw->type), fw->size, fw); /* Check the size of the blob before examining buffer contents */ if (fw->size < sizeof(struct uc_css_header)) { - DRM_NOTE("Firmware header is missing\n"); + DRM_WARN("%s: Unexpected firmware size (%zu, min %zu)\n", + intel_uc_fw_type_repr(uc_fw->type), + fw->size, sizeof(struct uc_css_header)); + err = -ENODATA; goto fail; } @@ -77,7 +85,9 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, sizeof(u32); if (uc_fw->header_size != sizeof(struct uc_css_header)) { - DRM_NOTE("CSS header definition mismatch\n"); + DRM_WARN("%s: Mismatched firmware header definition\n", + intel_uc_fw_type_repr(uc_fw->type)); + err = -ENOEXEC; goto fail; } @@ -85,9 +95,20 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, uc_fw->ucode_offset = uc_fw->header_offset + uc_fw->header_size; uc_fw->ucode_size = (css->size_dw - css->header_size_dw) * sizeof(u32); + /* Header and uCode will be loaded to WOPCM */ + size = uc_fw->header_size + uc_fw->ucode_size; + if (size > intel_guc_wopcm_size(dev_priv)) { + DRM_WARN("%s: Firmware is too large to fit in WOPCM\n", + intel_uc_fw_type_repr(uc_fw->type)); + err = -E2BIG; + goto fail; + } + /* now RSA */ if (css->key_size_dw != UOS_RSA_SCRATCH_MAX_COUNT) { - DRM_NOTE("RSA key size is bad\n"); + DRM_WARN("%s: Mismatched firmware RSA key size (%u)\n", + intel_uc_fw_type_repr(uc_fw->type), css->key_size_dw); + err = -ENOEXEC; goto fail; } uc_fw->rsa_offset = uc_fw->ucode_offset + uc_fw->ucode_size; @@ -96,7 +117,9 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, /* At least, it should have header, uCode and RSA. Size of all three. */ size = uc_fw->header_size + uc_fw->ucode_size + uc_fw->rsa_size; if (fw->size < size) { - DRM_NOTE("Missing firmware components\n"); + DRM_WARN("%s: Truncated firmware (%zu, expected %zu)\n", + intel_uc_fw_type_repr(uc_fw->type), fw->size, size); + err = -ENOEXEC; goto fail; } @@ -108,14 +131,6 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, */ switch (uc_fw->type) { case INTEL_UC_FW_TYPE_GUC: - /* Header and uCode will be loaded to WOPCM. Size of the two. */ - size = uc_fw->header_size + uc_fw->ucode_size; - - /* Top 32k of WOPCM is reserved (8K stack + 24k RC6 context). */ - if (size > intel_guc_wopcm_size(dev_priv)) { - DRM_ERROR("Firmware is too large to fit in WOPCM\n"); - goto fail; - } uc_fw->major_ver_found = css->guc.sw_version >> 16; uc_fw->minor_ver_found = css->guc.sw_version & 0xFFFF; break; @@ -126,17 +141,21 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, break; default: - DRM_ERROR("Unknown firmware type %d\n", uc_fw->type); - err = -ENOEXEC; - goto fail; + MISSING_CASE(uc_fw->type); + break; } + DRM_DEBUG_DRIVER("%s fw version %u.%u (wanted %u.%u)\n", + intel_uc_fw_type_repr(uc_fw->type), + uc_fw->major_ver_found, uc_fw->minor_ver_found, + uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted); + if (uc_fw->major_ver_wanted == 0 && uc_fw->minor_ver_wanted == 0) { - DRM_NOTE("Skipping %s firmware version check\n", + DRM_NOTE("%s: Skipping firmware version check\n", intel_uc_fw_type_repr(uc_fw->type)); } else if (uc_fw->major_ver_found != uc_fw->major_ver_wanted || uc_fw->minor_ver_found < uc_fw->minor_ver_wanted) { - DRM_NOTE("%s firmware version %d.%d, required %d.%d\n", + DRM_NOTE("%s: Wrong firmware version (%u.%u, required %u.%u)\n", intel_uc_fw_type_repr(uc_fw->type), uc_fw->major_ver_found, uc_fw->minor_ver_found, uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted); @@ -144,34 +163,115 @@ void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, goto fail; } - DRM_DEBUG_DRIVER("firmware version %d.%d OK (minimum %d.%d)\n", - uc_fw->major_ver_found, uc_fw->minor_ver_found, - uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted); - obj = i915_gem_object_create_from_data(dev_priv, fw->data, fw->size); if (IS_ERR(obj)) { err = PTR_ERR(obj); + DRM_DEBUG_DRIVER("%s fw object_create err=%d\n", + intel_uc_fw_type_repr(uc_fw->type), err); goto fail; } uc_fw->obj = obj; uc_fw->size = fw->size; - - DRM_DEBUG_DRIVER("uC fw fetch status SUCCESS, obj %p\n", - uc_fw->obj); + uc_fw->fetch_status = INTEL_UC_FIRMWARE_SUCCESS; + DRM_DEBUG_DRIVER("%s fw fetch %s\n", + intel_uc_fw_type_repr(uc_fw->type), + intel_uc_fw_status_repr(uc_fw->fetch_status)); release_firmware(fw); - uc_fw->fetch_status = INTEL_UC_FIRMWARE_SUCCESS; return; fail: - DRM_WARN("Failed to fetch valid uC firmware from %s (error %d)\n", - uc_fw->path, err); - DRM_DEBUG_DRIVER("uC fw fetch status FAIL; err %d, fw %p, obj %p\n", - err, fw, uc_fw->obj); + uc_fw->fetch_status = INTEL_UC_FIRMWARE_FAIL; + DRM_DEBUG_DRIVER("%s fw fetch %s\n", + intel_uc_fw_type_repr(uc_fw->type), + intel_uc_fw_status_repr(uc_fw->fetch_status)); + + DRM_WARN("%s: Failed to fetch firmware %s (error %d)\n", + intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, err); + DRM_INFO("%s: Firmware can be downloaded from %s\n", + intel_uc_fw_type_repr(uc_fw->type), INTEL_UC_FIRMWARE_URL); release_firmware(fw); /* OK even if fw is NULL */ - uc_fw->fetch_status = INTEL_UC_FIRMWARE_FAIL; +} + +/** + * intel_uc_fw_upload - load uC firmware using custom loader + * + * @uc_fw: uC firmware + * @loader: custom uC firmware loader function + * + * Loads uC firmware using custom loader and updates internal flags. + */ +int intel_uc_fw_upload(struct intel_uc_fw *uc_fw, + int (*xfer)(struct intel_uc_fw *uc_fw, + struct i915_vma *vma)) +{ + struct i915_vma *vma; + int err; + + DRM_DEBUG_DRIVER("%s fw load %s\n", + intel_uc_fw_type_repr(uc_fw->type), uc_fw->path); + + if (uc_fw->fetch_status != INTEL_UC_FIRMWARE_SUCCESS) + return -EIO; + + uc_fw->load_status = INTEL_UC_FIRMWARE_PENDING; + DRM_DEBUG_DRIVER("%s fw load %s\n", + intel_uc_fw_type_repr(uc_fw->type), + intel_uc_fw_status_repr(uc_fw->load_status)); + + /* Pin object with firmware */ + err = i915_gem_object_set_to_gtt_domain(uc_fw->obj, false); + if (err) { + DRM_DEBUG_DRIVER("%s fw set-domain err=%d\n", + intel_uc_fw_type_repr(uc_fw->type), err); + goto fail; + } + + vma = i915_gem_object_ggtt_pin(uc_fw->obj, NULL, 0, 0, + PIN_OFFSET_BIAS | GUC_WOPCM_TOP); + if (IS_ERR(vma)) { + err = PTR_ERR(vma); + DRM_DEBUG_DRIVER("%s fw ggtt-pin err=%d\n", + intel_uc_fw_type_repr(uc_fw->type), err); + goto fail; + } + + /* Call custom loader */ + err = xfer(uc_fw, vma); + + /* + * We keep the object pages for reuse during resume. But we can unpin it + * now that DMA has completed, so it doesn't continue to take up space. + */ + i915_vma_unpin(vma); + + if (err) + goto fail; + + uc_fw->load_status = INTEL_UC_FIRMWARE_SUCCESS; + DRM_DEBUG_DRIVER("%s fw load %s\n", + intel_uc_fw_type_repr(uc_fw->type), + intel_uc_fw_status_repr(uc_fw->load_status)); + + DRM_INFO("%s: Loaded firmware %s (version %u.%u)\n", + intel_uc_fw_type_repr(uc_fw->type), + uc_fw->path, + uc_fw->major_ver_found, uc_fw->minor_ver_found); + + return 0; + +fail: + uc_fw->load_status = INTEL_UC_FIRMWARE_FAIL; + DRM_DEBUG_DRIVER("%s fw load %s\n", + intel_uc_fw_type_repr(uc_fw->type), + intel_uc_fw_status_repr(uc_fw->load_status)); + + DRM_WARN("%s: Failed to load firmware %s (error %d)\n", + intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, err); + + return err; } /** @@ -191,3 +291,28 @@ void intel_uc_fw_fini(struct intel_uc_fw *uc_fw) uc_fw->fetch_status = INTEL_UC_FIRMWARE_NONE; } + +/** + * intel_uc_fw_dump - dump information about uC firmware + * @uc_fw: uC firmware + * @p: the &drm_printer + * + * Pretty printer for uC firmware. + */ +void intel_uc_fw_dump(struct intel_uc_fw *uc_fw, struct drm_printer *p) +{ + drm_printf(p, "%s firmware: %s\n", + intel_uc_fw_type_repr(uc_fw->type), uc_fw->path); + drm_printf(p, "\tstatus: fetch %s, load %s\n", + intel_uc_fw_status_repr(uc_fw->fetch_status), + intel_uc_fw_status_repr(uc_fw->load_status)); + drm_printf(p, "\tversion: wanted %u.%u, found %u.%u\n", + uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted, + uc_fw->major_ver_found, uc_fw->minor_ver_found); + drm_printf(p, "\theader: offset %u, size %u\n", + uc_fw->header_offset, uc_fw->header_size); + drm_printf(p, "\tuCode: offset %u, size %u\n", + uc_fw->ucode_offset, uc_fw->ucode_size); + drm_printf(p, "\tRSA: offset %u, size %u\n", + uc_fw->rsa_offset, uc_fw->rsa_size); +} diff --git a/drivers/gpu/drm/i915/intel_uc_fw.h b/drivers/gpu/drm/i915/intel_uc_fw.h index c3e9af4b9bf0..132903669391 100644 --- a/drivers/gpu/drm/i915/intel_uc_fw.h +++ b/drivers/gpu/drm/i915/intel_uc_fw.h @@ -25,7 +25,12 @@ #ifndef _INTEL_UC_FW_H_ #define _INTEL_UC_FW_H_ +struct drm_printer; struct drm_i915_private; +struct i915_vma; + +/* Home of GuC, HuC and DMC firmwares */ +#define INTEL_UC_FIRMWARE_URL "https://01.org/linuxgraphics/downloads/firmware" enum intel_uc_fw_status { INTEL_UC_FIRMWARE_FAIL = -1, @@ -50,6 +55,11 @@ struct intel_uc_fw { enum intel_uc_fw_status fetch_status; enum intel_uc_fw_status load_status; + /* + * The firmware build process will generate a version header file with major and + * minor version defined. The versions are built into CSS header of firmware. + * i915 kernel driver set the minimal firmware version required per platform. + */ u16 major_ver_wanted; u16 minor_ver_wanted; u16 major_ver_found; @@ -102,6 +112,10 @@ void intel_uc_fw_init(struct intel_uc_fw *uc_fw, enum intel_uc_fw_type type) void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, struct intel_uc_fw *uc_fw); +int intel_uc_fw_upload(struct intel_uc_fw *uc_fw, + int (*xfer)(struct intel_uc_fw *uc_fw, + struct i915_vma *vma)); void intel_uc_fw_fini(struct intel_uc_fw *uc_fw); +void intel_uc_fw_dump(struct intel_uc_fw *uc_fw, struct drm_printer *p); #endif diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 983617b5b338..20e3c65c0999 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1403,6 +1403,9 @@ static void i915_stop_engines(struct drm_i915_private *dev_priv, struct intel_engine_cs *engine; enum intel_engine_id id; + if (INTEL_GEN(dev_priv) < 3) + return; + for_each_engine_masked(engine, dev_priv, engine_mask, id) gen3_stop_engine(engine); } @@ -1742,16 +1745,12 @@ static reset_func intel_get_gpu_reset(struct drm_i915_private *dev_priv) int intel_gpu_reset(struct drm_i915_private *dev_priv, unsigned engine_mask) { - reset_func reset; + reset_func reset = intel_get_gpu_reset(dev_priv); int retry; int ret; might_sleep(); - reset = intel_get_gpu_reset(dev_priv); - if (reset == NULL) - return -ENODEV; - /* If the power well sleeps during the reset, the reset * request may be dropped and never completes (causing -EIO). */ @@ -1771,7 +1770,9 @@ int intel_gpu_reset(struct drm_i915_private *dev_priv, unsigned engine_mask) */ i915_stop_engines(dev_priv, engine_mask); - ret = reset(dev_priv, engine_mask); + ret = -ENODEV; + if (reset) + ret = reset(dev_priv, engine_mask); if (ret != -ETIMEDOUT) break; diff --git a/drivers/gpu/drm/i915/intel_vbt_defs.h b/drivers/gpu/drm/i915/intel_vbt_defs.h index 404569c9fdfc..f225c288a121 100644 --- a/drivers/gpu/drm/i915/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/intel_vbt_defs.h @@ -306,6 +306,14 @@ struct bdb_general_features { #define LEGACY_CHILD_DEVICE_CONFIG_SIZE 33 +/* DDC Bus DDI Type 155+ */ +enum vbt_gmbus_ddi { + DDC_BUS_DDI_B = 0x1, + DDC_BUS_DDI_C, + DDC_BUS_DDI_D, + DDC_BUS_DDI_F, +}; + /* * The child device config, aka the display device data structure, provides a * description of a port and its configuration on the platform. diff --git a/drivers/gpu/drm/i915/selftests/huge_pages.c b/drivers/gpu/drm/i915/selftests/huge_pages.c index c53f8474113a..5cc8101bb2b1 100644 --- a/drivers/gpu/drm/i915/selftests/huge_pages.c +++ b/drivers/gpu/drm/i915/selftests/huge_pages.c @@ -609,7 +609,7 @@ static int igt_mock_ppgtt_huge_fill(void *arg) bool single = false; LIST_HEAD(objects); IGT_TIMEOUT(end_time); - int err; + int err = -ENODEV; for_each_prime_number_from(page_num, 1, max_pages) { struct drm_i915_gem_object *obj; @@ -1157,7 +1157,7 @@ static int igt_ppgtt_exhaust_huge(void *arg) unsigned int size_mask; unsigned int page_mask; int n, i; - int err; + int err = -ENODEV; /* * Sanity check creating objects with a varying mix of page sizes -- diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/selftests/i915_gem_context.c index fb0a58fc8348..def5052862ae 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_context.c @@ -417,7 +417,7 @@ static int fake_aliasing_ppgtt_enable(struct drm_i915_private *i915) if (err) return err; - list_for_each_entry(obj, &i915->mm.bound_list, global_link) { + list_for_each_entry(obj, &i915->mm.bound_list, mm.link) { struct i915_vma *vma; vma = i915_vma_instance(obj, &i915->ggtt.base, NULL); diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c index 5ea373221f49..f463105ff48d 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c @@ -24,6 +24,9 @@ #include "../i915_selftest.h" +#include "lib_sw_fence.h" +#include "mock_context.h" +#include "mock_drm.h" #include "mock_gem_device.h" static int populate_ggtt(struct drm_i915_private *i915) @@ -47,7 +50,7 @@ static int populate_ggtt(struct drm_i915_private *i915) if (!list_empty(&i915->mm.unbound_list)) { size = 0; - list_for_each_entry(obj, &i915->mm.unbound_list, global_link) + list_for_each_entry(obj, &i915->mm.unbound_list, mm.link) size++; pr_err("Found %lld objects unbound!\n", size); @@ -74,10 +77,10 @@ static void cleanup_objects(struct drm_i915_private *i915) { struct drm_i915_gem_object *obj, *on; - list_for_each_entry_safe(obj, on, &i915->mm.unbound_list, global_link) + list_for_each_entry_safe(obj, on, &i915->mm.unbound_list, mm.link) i915_gem_object_put(obj); - list_for_each_entry_safe(obj, on, &i915->mm.bound_list, global_link) + list_for_each_entry_safe(obj, on, &i915->mm.bound_list, mm.link) i915_gem_object_put(obj); mutex_unlock(&i915->drm.struct_mutex); @@ -149,8 +152,6 @@ static int igt_overcommit(void *arg) goto cleanup; } - list_move(&obj->global_link, &i915->mm.unbound_list); - vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, 0); if (!IS_ERR(vma) || PTR_ERR(vma) != -ENOSPC) { pr_err("Failed to evict+insert, i915_gem_object_ggtt_pin returned err=%d\n", (int)PTR_ERR(vma)); @@ -325,6 +326,148 @@ cleanup: return err; } +static int igt_evict_contexts(void *arg) +{ + const u64 PRETEND_GGTT_SIZE = 16ull << 20; + struct drm_i915_private *i915 = arg; + struct intel_engine_cs *engine; + enum intel_engine_id id; + struct reserved { + struct drm_mm_node node; + struct reserved *next; + } *reserved = NULL; + struct drm_mm_node hole; + unsigned long count; + int err; + + /* + * The purpose of this test is to verify that we will trigger an + * eviction in the GGTT when constructing a request that requires + * additional space in the GGTT for pinning the context. This space + * is not directly tied to the request so reclaiming it requires + * extra work. + * + * As such this test is only meaningful for full-ppgtt environments + * where the GTT space of the request is separate from the GGTT + * allocation required to build the request. + */ + if (!USES_FULL_PPGTT(i915)) + return 0; + + mutex_lock(&i915->drm.struct_mutex); + + /* Reserve a block so that we know we have enough to fit a few rq */ + memset(&hole, 0, sizeof(hole)); + err = i915_gem_gtt_insert(&i915->ggtt.base, &hole, + PRETEND_GGTT_SIZE, 0, I915_COLOR_UNEVICTABLE, + 0, i915->ggtt.base.total, + PIN_NOEVICT); + if (err) + goto out_locked; + + /* Make the GGTT appear small by filling it with unevictable nodes */ + count = 0; + do { + struct reserved *r; + + r = kcalloc(1, sizeof(*r), GFP_KERNEL); + if (!r) { + err = -ENOMEM; + goto out_locked; + } + + if (i915_gem_gtt_insert(&i915->ggtt.base, &r->node, + 1ul << 20, 0, I915_COLOR_UNEVICTABLE, + 0, i915->ggtt.base.total, + PIN_NOEVICT)) { + kfree(r); + break; + } + + r->next = reserved; + reserved = r; + + count++; + } while (1); + drm_mm_remove_node(&hole); + mutex_unlock(&i915->drm.struct_mutex); + pr_info("Filled GGTT with %lu 1MiB nodes\n", count); + + /* Overfill the GGTT with context objects and so try to evict one. */ + for_each_engine(engine, i915, id) { + struct i915_sw_fence fence; + struct drm_file *file; + + file = mock_file(i915); + if (IS_ERR(file)) + return PTR_ERR(file); + + count = 0; + mutex_lock(&i915->drm.struct_mutex); + onstack_fence_init(&fence); + do { + struct drm_i915_gem_request *rq; + struct i915_gem_context *ctx; + + ctx = live_context(i915, file); + if (!ctx) + break; + + /* We will need some GGTT space for the rq's context */ + igt_evict_ctl.fail_if_busy = true; + rq = i915_gem_request_alloc(engine, ctx); + igt_evict_ctl.fail_if_busy = false; + + if (IS_ERR(rq)) { + /* When full, fail_if_busy will trigger EBUSY */ + if (PTR_ERR(rq) != -EBUSY) { + pr_err("Unexpected error from request alloc (ctx hw id %u, on %s): %d\n", + ctx->hw_id, engine->name, + (int)PTR_ERR(rq)); + err = PTR_ERR(rq); + } + break; + } + + /* Keep every request/ctx pinned until we are full */ + err = i915_sw_fence_await_sw_fence_gfp(&rq->submit, + &fence, + GFP_KERNEL); + if (err < 0) + break; + + i915_add_request(rq); + count++; + err = 0; + } while(1); + mutex_unlock(&i915->drm.struct_mutex); + + onstack_fence_fini(&fence); + pr_info("Submitted %lu contexts/requests on %s\n", + count, engine->name); + + mock_file_free(i915, file); + if (err) + break; + } + + mutex_lock(&i915->drm.struct_mutex); +out_locked: + while (reserved) { + struct reserved *next = reserved->next; + + drm_mm_remove_node(&reserved->node); + kfree(reserved); + + reserved = next; + } + if (drm_mm_node_allocated(&hole)) + drm_mm_remove_node(&hole); + mutex_unlock(&i915->drm.struct_mutex); + + return err; +} + int i915_gem_evict_mock_selftests(void) { static const struct i915_subtest tests[] = { @@ -348,3 +491,12 @@ int i915_gem_evict_mock_selftests(void) drm_dev_unref(&i915->drm); return err; } + +int i915_gem_evict_live_selftests(struct drm_i915_private *i915) +{ + static const struct i915_subtest tests[] = { + SUBTEST(igt_evict_contexts), + }; + + return i915_subtests(tests, i915); +} diff --git a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h index 64acd7eccc5c..54a73534b37e 100644 --- a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h +++ b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h @@ -15,6 +15,7 @@ selftest(objects, i915_gem_object_live_selftests) selftest(dmabuf, i915_gem_dmabuf_live_selftests) selftest(coherency, i915_gem_coherency_live_selftests) selftest(gtt, i915_gem_gtt_live_selftests) +selftest(evict, i915_gem_evict_live_selftests) selftest(hugepages, i915_gem_huge_page_live_selftests) selftest(contexts, i915_gem_context_live_selftests) selftest(hangcheck, intel_hangcheck_live_selftests) diff --git a/drivers/gpu/drm/i915/selftests/i915_sw_fence.c b/drivers/gpu/drm/i915/selftests/i915_sw_fence.c index 19d145d6bf52..ea01d0fe3ace 100644 --- a/drivers/gpu/drm/i915/selftests/i915_sw_fence.c +++ b/drivers/gpu/drm/i915/selftests/i915_sw_fence.c @@ -24,6 +24,7 @@ #include <linux/completion.h> #include <linux/delay.h> +#include <linux/prime_numbers.h> #include "../i915_selftest.h" @@ -565,6 +566,46 @@ err_in: return ret; } +static int test_timer(void *arg) +{ + unsigned long target, delay; + struct timed_fence tf; + + timed_fence_init(&tf, target = jiffies); + if (!i915_sw_fence_done(&tf.fence)) { + pr_err("Fence with immediate expiration not signaled\n"); + goto err; + } + timed_fence_fini(&tf); + + for_each_prime_number(delay, i915_selftest.timeout_jiffies/2) { + timed_fence_init(&tf, target = jiffies + delay); + if (i915_sw_fence_done(&tf.fence)) { + pr_err("Fence with future expiration (%lu jiffies) already signaled\n", delay); + goto err; + } + + i915_sw_fence_wait(&tf.fence); + if (!i915_sw_fence_done(&tf.fence)) { + pr_err("Fence not signaled after wait\n"); + goto err; + } + if (time_before(jiffies, target)) { + pr_err("Fence signaled too early, target=%lu, now=%lu\n", + target, jiffies); + goto err; + } + + timed_fence_fini(&tf); + } + + return 0; + +err: + timed_fence_fini(&tf); + return -EINVAL; +} + int i915_sw_fence_mock_selftests(void) { static const struct i915_subtest tests[] = { @@ -576,6 +617,7 @@ int i915_sw_fence_mock_selftests(void) SUBTEST(test_C_AB), SUBTEST(test_chain), SUBTEST(test_ipc), + SUBTEST(test_timer), }; return i915_subtests(tests, NULL); diff --git a/drivers/gpu/drm/i915/selftests/lib_sw_fence.c b/drivers/gpu/drm/i915/selftests/lib_sw_fence.c new file mode 100644 index 000000000000..3790fdf44a1a --- /dev/null +++ b/drivers/gpu/drm/i915/selftests/lib_sw_fence.c @@ -0,0 +1,78 @@ +/* + * Copyright © 2017 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#include "lib_sw_fence.h" + +/* Small library of different fence types useful for writing tests */ + +static int __i915_sw_fence_call +nop_fence_notify(struct i915_sw_fence *fence, enum i915_sw_fence_notify state) +{ + return NOTIFY_DONE; +} + +void __onstack_fence_init(struct i915_sw_fence *fence, + const char *name, + struct lock_class_key *key) +{ + debug_fence_init_onstack(fence); + + __init_waitqueue_head(&fence->wait, name, key); + atomic_set(&fence->pending, 1); + fence->flags = (unsigned long)nop_fence_notify; +} + +void onstack_fence_fini(struct i915_sw_fence *fence) +{ + i915_sw_fence_commit(fence); + i915_sw_fence_fini(fence); +} + +static void timed_fence_wake(unsigned long data) +{ + struct timed_fence *tf = (struct timed_fence *)data; + + i915_sw_fence_commit(&tf->fence); +} + +void timed_fence_init(struct timed_fence *tf, unsigned long expires) +{ + onstack_fence_init(&tf->fence); + + setup_timer_on_stack(&tf->timer, timed_fence_wake, (unsigned long)tf); + + if (time_after(expires, jiffies)) + mod_timer(&tf->timer, expires); + else + i915_sw_fence_commit(&tf->fence); +} + +void timed_fence_fini(struct timed_fence *tf) +{ + if (del_timer_sync(&tf->timer)) + i915_sw_fence_commit(&tf->fence); + + destroy_timer_on_stack(&tf->timer); + i915_sw_fence_fini(&tf->fence); +} diff --git a/drivers/gpu/drm/i915/selftests/lib_sw_fence.h b/drivers/gpu/drm/i915/selftests/lib_sw_fence.h new file mode 100644 index 000000000000..474aafb92ae1 --- /dev/null +++ b/drivers/gpu/drm/i915/selftests/lib_sw_fence.h @@ -0,0 +1,42 @@ +/* + * lib_sw_fence.h - library routines for testing N:M synchronisation points + * + * Copyright (C) 2017 Intel Corporation + * + * This file is released under the GPLv2. + * + */ + +#ifndef _LIB_SW_FENCE_H_ +#define _LIB_SW_FENCE_H_ + +#include <linux/timer.h> + +#include "../i915_sw_fence.h" + +#ifdef CONFIG_LOCKDEP +#define onstack_fence_init(fence) \ +do { \ + static struct lock_class_key __key; \ + \ + __onstack_fence_init((fence), #fence, &__key); \ +} while (0) +#else +#define onstack_fence_init(fence) \ + __onstack_fence_init((fence), NULL, NULL) +#endif + +void __onstack_fence_init(struct i915_sw_fence *fence, + const char *name, + struct lock_class_key *key); +void onstack_fence_fini(struct i915_sw_fence *fence); + +struct timed_fence { + struct i915_sw_fence fence; + struct timer_list timer; +}; + +void timed_fence_init(struct timed_fence *tf, unsigned long expires); +void timed_fence_fini(struct timed_fence *tf); + +#endif /* _LIB_SW_FENCE_H_ */ diff --git a/drivers/gpu/drm/i915/selftests/mock_context.c b/drivers/gpu/drm/i915/selftests/mock_context.c index 098ce643ad07..bbf80d42e793 100644 --- a/drivers/gpu/drm/i915/selftests/mock_context.c +++ b/drivers/gpu/drm/i915/selftests/mock_context.c @@ -73,11 +73,7 @@ err_put: void mock_context_close(struct i915_gem_context *ctx) { - i915_gem_context_set_closed(ctx); - - i915_ppgtt_close(&ctx->ppgtt->base); - - i915_gem_context_put(ctx); + context_close(ctx); } void mock_init_contexts(struct drm_i915_private *i915) diff --git a/drivers/gpu/drm/i915/selftests/mock_engine.c b/drivers/gpu/drm/i915/selftests/mock_engine.c index fc0fd7498689..331c2b09869e 100644 --- a/drivers/gpu/drm/i915/selftests/mock_engine.c +++ b/drivers/gpu/drm/i915/selftests/mock_engine.c @@ -32,9 +32,9 @@ static struct mock_request *first_request(struct mock_engine *engine) link); } -static void hw_delay_complete(unsigned long data) +static void hw_delay_complete(struct timer_list *t) { - struct mock_engine *engine = (typeof(engine))data; + struct mock_engine *engine = from_timer(engine, t, hw_delay); struct mock_request *request; spin_lock(&engine->hw_lock); @@ -161,9 +161,7 @@ struct intel_engine_cs *mock_engine(struct drm_i915_private *i915, /* fake hw queue */ spin_lock_init(&engine->hw_lock); - setup_timer(&engine->hw_delay, - hw_delay_complete, - (unsigned long)engine); + timer_setup(&engine->hw_delay, hw_delay_complete, 0); INIT_LIST_HEAD(&engine->hw_queue); return &engine->base; |