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-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c8
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c2
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h15
-rw-r--r--drivers/gpu/drm/i915/intel_display.c4
-rw-r--r--drivers/gpu/drm/i915/intel_fbc.c4
-rw-r--r--drivers/gpu/drm/i915/intel_lrc.c4
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c25
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c4
-rw-r--r--drivers/gpu/drm/i915/intel_uncore.c44
9 files changed, 58 insertions, 52 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index db7fcf385cd8..c39f9c560a85 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1105,7 +1105,7 @@ static int i915_frequency_info(struct seq_file *m, void *unused)
if (ret)
goto out;
- gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
reqf = I915_READ(GEN6_RPNSWREQ);
reqf &= ~GEN6_TURBO_DISABLE;
@@ -1132,7 +1132,7 @@ static int i915_frequency_info(struct seq_file *m, void *unused)
cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT;
cagf *= GT_FREQUENCY_MULTIPLIER;
- gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
mutex_unlock(&dev->struct_mutex);
if (IS_GEN6(dev) || IS_GEN7(dev)) {
@@ -4322,7 +4322,7 @@ static int i915_forcewake_open(struct inode *inode, struct file *file)
return 0;
intel_runtime_pm_get(dev_priv);
- gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
return 0;
}
@@ -4335,7 +4335,7 @@ static int i915_forcewake_release(struct inode *inode, struct file *file)
if (INTEL_INFO(dev)->gen < 6)
return 0;
- gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
intel_runtime_pm_put(dev_priv);
return 0;
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 55a3fef075ae..6484229dd10d 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1431,7 +1431,7 @@ static int intel_runtime_suspend(struct device *device)
intel_opregion_notify_adapter(dev, PCI_D3hot);
}
- assert_force_wake_inactive(dev_priv);
+ assert_forcewakes_inactive(dev_priv);
DRM_DEBUG_KMS("Device suspended\n");
return 0;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index c5dae9603a99..0575c529a9a5 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2564,6 +2564,11 @@ extern void intel_uncore_check_errors(struct drm_device *dev);
extern void intel_uncore_fini(struct drm_device *dev);
extern void intel_uncore_forcewake_reset(struct drm_device *dev, bool restore);
const char *intel_uncore_forcewake_domain_to_str(const int domain_id);
+void intel_uncore_forcewake_get(struct drm_i915_private *dev_priv,
+ unsigned fw_domains);
+void intel_uncore_forcewake_put(struct drm_i915_private *dev_priv,
+ unsigned fw_domains);
+void assert_forcewakes_inactive(struct drm_i915_private *dev_priv);
void
i915_enable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe,
@@ -3195,16 +3200,6 @@ extern void intel_display_print_error_state(struct drm_i915_error_state_buf *e,
struct drm_device *dev,
struct intel_display_error_state *error);
-/* On SNB platform, before reading ring registers forcewake bit
- * must be set to prevent GT core from power down and stale values being
- * returned.
- */
-void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv,
- unsigned fw_domains);
-void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv,
- unsigned fw_domains);
-void assert_force_wake_inactive(struct drm_i915_private *dev_priv);
-
int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u32 mbox, u32 *val);
int sandybridge_pcode_write(struct drm_i915_private *dev_priv, u32 mbox, u32 val);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 61b123f1a652..8c5dfec98de1 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7871,7 +7871,7 @@ static void hsw_restore_lcpll(struct drm_i915_private *dev_priv)
* Make sure we're not on PC8 state before disabling PC8, otherwise
* we'll hang the machine. To prevent PC8 state, just enable force_wake.
*/
- gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
if (val & LCPLL_POWER_DOWN_ALLOW) {
val &= ~LCPLL_POWER_DOWN_ALLOW;
@@ -7901,7 +7901,7 @@ static void hsw_restore_lcpll(struct drm_i915_private *dev_priv)
DRM_ERROR("Switching back to LCPLL failed\n");
}
- gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
/*
diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
index 5b1d7c4cfae6..ed9a012d58ae 100644
--- a/drivers/gpu/drm/i915/intel_fbc.c
+++ b/drivers/gpu/drm/i915/intel_fbc.c
@@ -182,7 +182,7 @@ static void snb_fbc_blit_update(struct drm_device *dev)
/* Blitter is part of Media powerwell on VLV. No impact of
* his param in other platforms for now */
- gen6_gt_force_wake_get(dev_priv, FORCEWAKE_MEDIA);
+ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_MEDIA);
blt_ecoskpd = I915_READ(GEN6_BLITTER_ECOSKPD);
blt_ecoskpd |= GEN6_BLITTER_FBC_NOTIFY <<
@@ -195,7 +195,7 @@ static void snb_fbc_blit_update(struct drm_device *dev)
I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd);
POSTING_READ(GEN6_BLITTER_ECOSKPD);
- gen6_gt_force_wake_put(dev_priv, FORCEWAKE_MEDIA);
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_MEDIA);
}
static void ilk_fbc_enable(struct drm_crtc *crtc)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 49c7d862f8a5..cbfdbddf2eeb 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -296,7 +296,7 @@ static void execlists_elsp_write(struct intel_engine_cs *ring,
desc[3] = (u32)(temp >> 32);
desc[2] = (u32)temp;
- gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
I915_WRITE(RING_ELSP(ring), desc[1]);
I915_WRITE(RING_ELSP(ring), desc[0]);
I915_WRITE(RING_ELSP(ring), desc[3]);
@@ -306,7 +306,7 @@ static void execlists_elsp_write(struct intel_engine_cs *ring,
/* ELSP is a wo register, so use another nearby reg for posting instead */
POSTING_READ(RING_EXECLIST_STATUS(ring));
- gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
static int execlists_update_context(struct drm_i915_gem_object *ctx_obj,
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 292522260aa6..acfa362b042d 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -76,7 +76,6 @@ static void gen9_init_clock_gating(struct drm_device *dev)
_MASKED_BIT_ENABLE(GEN8_4x4_STC_OPTIMIZATION_DISABLE));
}
-
static void i915_pineview_get_mem_freq(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -3915,11 +3914,11 @@ static void valleyview_disable_rps(struct drm_device *dev)
/* we're doing forcewake before Disabling RC6,
* This what the BIOS expects when going into suspend */
- gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
I915_WRITE(GEN6_RC_CONTROL, 0);
- gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
static void intel_print_rc6_info(struct drm_device *dev, u32 mode)
@@ -4037,7 +4036,7 @@ static void gen9_enable_rps(struct drm_device *dev)
/* 1b: Get forcewake during program sequence. Although the driver
* hasn't enabled a state yet where we need forcewake, BIOS may have.*/
- gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
/* 2a: Disable RC states. */
I915_WRITE(GEN6_RC_CONTROL, 0);
@@ -4060,7 +4059,7 @@ static void gen9_enable_rps(struct drm_device *dev)
GEN6_RC_CTL_EI_MODE(1) |
rc6_mask);
- gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
@@ -4076,7 +4075,7 @@ static void gen8_enable_rps(struct drm_device *dev)
/* 1c & 1d: Get forcewake during program sequence. Although the driver
* hasn't enabled a state yet where we need forcewake, BIOS may have.*/
- gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
/* 2a: Disable RC states. */
I915_WRITE(GEN6_RC_CONTROL, 0);
@@ -4143,7 +4142,7 @@ static void gen8_enable_rps(struct drm_device *dev)
dev_priv->rps.power = HIGH_POWER; /* force a reset */
gen6_set_rps(dev_priv->dev, dev_priv->rps.min_freq_softlimit);
- gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
static void gen6_enable_rps(struct drm_device *dev)
@@ -4171,7 +4170,7 @@ static void gen6_enable_rps(struct drm_device *dev)
I915_WRITE(GTFIFODBG, gtfifodbg);
}
- gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
/* Initialize rps frequencies */
gen6_init_rps_frequencies(dev);
@@ -4251,7 +4250,7 @@ static void gen6_enable_rps(struct drm_device *dev)
DRM_ERROR("Couldn't fix incorrect rc6 voltage\n");
}
- gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
static void __gen6_update_ring_freq(struct drm_device *dev)
@@ -4710,7 +4709,7 @@ static void cherryview_enable_rps(struct drm_device *dev)
/* 1a & 1b: Get forcewake during program sequence. Although the driver
* hasn't enabled a state yet where we need forcewake, BIOS may have.*/
- gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
/* Disable RC states. */
I915_WRITE(GEN6_RC_CONTROL, 0);
@@ -4783,7 +4782,7 @@ static void cherryview_enable_rps(struct drm_device *dev)
valleyview_set_rps(dev_priv->dev, dev_priv->rps.efficient_freq);
- gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
static void valleyview_enable_rps(struct drm_device *dev)
@@ -4804,7 +4803,7 @@ static void valleyview_enable_rps(struct drm_device *dev)
}
/* If VLV, Forcewake all wells, else re-direct to regular path */
- gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
/* Disable RC states. */
I915_WRITE(GEN6_RC_CONTROL, 0);
@@ -4867,7 +4866,7 @@ static void valleyview_enable_rps(struct drm_device *dev)
valleyview_set_rps(dev_priv->dev, dev_priv->rps.efficient_freq);
- gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
void ironlake_teardown_rc6(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index b117717639fe..d7aa5c464d96 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -539,7 +539,7 @@ static int init_ring_common(struct intel_engine_cs *ring)
struct drm_i915_gem_object *obj = ringbuf->obj;
int ret = 0;
- gen6_gt_force_wake_get(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
if (!stop_ring(ring)) {
/* G45 ring initialization often fails to reset head to zero */
@@ -611,7 +611,7 @@ static int init_ring_common(struct intel_engine_cs *ring)
memset(&ring->hangcheck, 0, sizeof(ring->hangcheck));
out:
- gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
+ intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
return ret;
}
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index c08a6f9200ff..90c195108854 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -234,7 +234,7 @@ static int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
return ret;
}
-static void gen6_force_wake_timer(unsigned long arg)
+static void intel_uncore_fw_release_timer(unsigned long arg)
{
struct intel_uncore_forcewake_domain *domain = (void *)arg;
unsigned long irqflags;
@@ -270,7 +270,7 @@ void intel_uncore_forcewake_reset(struct drm_device *dev, bool restore)
if (del_timer_sync(&domain->timer) == 0)
continue;
- gen6_force_wake_timer((unsigned long)domain);
+ intel_uncore_fw_release_timer((unsigned long)domain);
}
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
@@ -314,7 +314,7 @@ void intel_uncore_forcewake_reset(struct drm_device *dev, bool restore)
}
if (!restore)
- assert_force_wake_inactive(dev_priv);
+ assert_forcewakes_inactive(dev_priv);
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
@@ -358,14 +358,21 @@ void intel_uncore_sanitize(struct drm_device *dev)
intel_disable_gt_powersave(dev);
}
-/*
- * Generally this is called implicitly by the register read function. However,
- * if some sequence requires the GT to not power down then this function should
- * be called at the beginning of the sequence followed by a call to
- * gen6_gt_force_wake_put() at the end of the sequence.
+/**
+ * intel_uncore_forcewake_get - grab forcewake domain references
+ * @dev_priv: i915 device instance
+ * @fw_domains: forcewake domains to get reference on
+ *
+ * This function can be used get GT's forcewake domain references.
+ * Normal register access will handle the forcewake domains automatically.
+ * However if some sequence requires the GT to not power down a particular
+ * forcewake domains this function should be called at the beginning of the
+ * sequence. And subsequently the reference should be dropped by symmetric
+ * call to intel_unforce_forcewake_put(). Usually caller wants all the domains
+ * to be kept awake so the @fw_domains would be then FORCEWAKE_ALL.
*/
-void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv,
- unsigned fw_domains)
+void intel_uncore_forcewake_get(struct drm_i915_private *dev_priv,
+ unsigned fw_domains)
{
unsigned long irqflags;
struct intel_uncore_forcewake_domain *domain;
@@ -391,11 +398,16 @@ void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv,
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
-/*
- * see gen6_gt_force_wake_get()
+/**
+ * intel_uncore_forcewake_put - release a forcewake domain reference
+ * @dev_priv: i915 device instance
+ * @fw_domains: forcewake domains to put references
+ *
+ * This function drops the device-level forcewakes for specified
+ * domains obtained by intel_uncore_forcewake_get().
*/
-void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv,
- unsigned fw_domains)
+void intel_uncore_forcewake_put(struct drm_i915_private *dev_priv,
+ unsigned fw_domains)
{
unsigned long irqflags;
struct intel_uncore_forcewake_domain *domain;
@@ -422,7 +434,7 @@ void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv,
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
-void assert_force_wake_inactive(struct drm_i915_private *dev_priv)
+void assert_forcewakes_inactive(struct drm_i915_private *dev_priv)
{
struct intel_uncore_forcewake_domain *domain;
int id;
@@ -964,7 +976,7 @@ static void fw_domain_init(struct drm_i915_private *dev_priv,
d->i915 = dev_priv;
d->id = domain_id;
- setup_timer(&d->timer, gen6_force_wake_timer, (unsigned long)d);
+ setup_timer(&d->timer, intel_uncore_fw_release_timer, (unsigned long)d);
dev_priv->uncore.fw_domains |= (1 << domain_id);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-29 13:07:49 +0000