diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_execbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_execbuffer.c | 62 |
1 files changed, 37 insertions, 25 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index eb46dfa374a7..929f275e67aa 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -288,20 +288,26 @@ static int eb_create(struct i915_execbuffer *eb) * direct lookup. */ do { + unsigned int flags; + + /* While we can still reduce the allocation size, don't + * raise a warning and allow the allocation to fail. + * On the last pass though, we want to try as hard + * as possible to perform the allocation and warn + * if it fails. + */ + flags = GFP_TEMPORARY; + if (size > 1) + flags |= __GFP_NORETRY | __GFP_NOWARN; + eb->buckets = kzalloc(sizeof(struct hlist_head) << size, - GFP_TEMPORARY | - __GFP_NORETRY | - __GFP_NOWARN); + flags); if (eb->buckets) break; } while (--size); - if (unlikely(!eb->buckets)) { - eb->buckets = kzalloc(sizeof(struct hlist_head), - GFP_TEMPORARY); - if (unlikely(!eb->buckets)) - return -ENOMEM; - } + if (unlikely(!size)) + return -ENOMEM; eb->lut_size = size; } else { @@ -452,7 +458,7 @@ eb_add_vma(struct i915_execbuffer *eb, return err; } - if (eb->lut_size >= 0) { + if (eb->lut_size > 0) { vma->exec_handle = entry->handle; hlist_add_head(&vma->exec_node, &eb->buckets[hash_32(entry->handle, @@ -669,16 +675,17 @@ static int eb_select_context(struct i915_execbuffer *eb) struct i915_gem_context *ctx; ctx = i915_gem_context_lookup(eb->file->driver_priv, eb->args->rsvd1); - if (unlikely(IS_ERR(ctx))) - return PTR_ERR(ctx); + if (unlikely(!ctx)) + return -ENOENT; if (unlikely(i915_gem_context_is_banned(ctx))) { DRM_DEBUG("Context %u tried to submit while banned\n", ctx->user_handle); + i915_gem_context_put(ctx); return -EIO; } - eb->ctx = i915_gem_context_get(ctx); + eb->ctx = ctx; eb->vm = ctx->ppgtt ? &ctx->ppgtt->base : &eb->i915->ggtt.base; eb->context_flags = 0; @@ -878,6 +885,7 @@ static void eb_release_vmas(const struct i915_execbuffer *eb) GEM_BUG_ON(vma->exec_entry != entry); vma->exec_entry = NULL; + __exec_to_vma(entry) = 0; if (entry->flags & __EXEC_OBJECT_HAS_PIN) __eb_unreserve_vma(vma, entry); @@ -893,7 +901,7 @@ static void eb_release_vmas(const struct i915_execbuffer *eb) static void eb_reset_vmas(const struct i915_execbuffer *eb) { eb_release_vmas(eb); - if (eb->lut_size >= 0) + if (eb->lut_size > 0) memset(eb->buckets, 0, sizeof(struct hlist_head) << eb->lut_size); } @@ -902,7 +910,7 @@ static void eb_destroy(const struct i915_execbuffer *eb) { GEM_BUG_ON(eb->reloc_cache.rq); - if (eb->lut_size >= 0) + if (eb->lut_size > 0) kfree(eb->buckets); } @@ -1199,7 +1207,7 @@ static int __reloc_gpu_alloc(struct i915_execbuffer *eb, reservation_object_unlock(batch->resv); i915_vma_unpin(batch); - i915_vma_move_to_active(vma, rq, true); + i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE); reservation_object_lock(vma->resv, NULL); reservation_object_add_excl_fence(vma->resv, &rq->fence); reservation_object_unlock(vma->resv); @@ -2127,7 +2135,6 @@ i915_gem_do_execbuffer(struct drm_device *dev, if (DBG_FORCE_RELOC || !(args->flags & I915_EXEC_NO_RELOC)) args->flags |= __EXEC_HAS_RELOC; eb.exec = exec; - eb.ctx = NULL; eb.invalid_flags = __EXEC_OBJECT_UNKNOWN_FLAGS; if (USES_FULL_PPGTT(eb.i915)) eb.invalid_flags |= EXEC_OBJECT_NEEDS_GTT; @@ -2179,8 +2186,15 @@ i915_gem_do_execbuffer(struct drm_device *dev, } } - if (eb_create(&eb)) - return -ENOMEM; + err = eb_create(&eb); + if (err) + goto err_out_fence; + + GEM_BUG_ON(!eb.lut_size); + + err = eb_select_context(&eb); + if (unlikely(err)) + goto err_destroy; /* * Take a local wakeref for preparing to dispatch the execbuf as @@ -2190,14 +2204,11 @@ i915_gem_do_execbuffer(struct drm_device *dev, * 100ms. */ intel_runtime_pm_get(eb.i915); + err = i915_mutex_lock_interruptible(dev); if (err) goto err_rpm; - err = eb_select_context(&eb); - if (unlikely(err)) - goto err_unlock; - err = eb_relocate(&eb); if (err) /* @@ -2333,12 +2344,13 @@ err_batch_unpin: err_vma: if (eb.exec) eb_release_vmas(&eb); - i915_gem_context_put(eb.ctx); -err_unlock: mutex_unlock(&dev->struct_mutex); err_rpm: intel_runtime_pm_put(eb.i915); + i915_gem_context_put(eb.ctx); +err_destroy: eb_destroy(&eb); +err_out_fence: if (out_fence_fd != -1) put_unused_fd(out_fence_fd); err_in_fence: |