diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_context.c | 18 |
2 files changed, 16 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 961ef403154e..820748d65939 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -3439,6 +3439,7 @@ static inline void i915_gem_context_reference(struct i915_gem_context *ctx) static inline void i915_gem_context_unreference(struct i915_gem_context *ctx) { + lockdep_assert_held(&ctx->i915->dev->struct_mutex); kref_put(&ctx->ref, i915_gem_context_free); } diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 8484da26b5d4..6b4c5adf4b89 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -153,6 +153,7 @@ void i915_gem_context_free(struct kref *ctx_ref) { struct i915_gem_context *ctx = container_of(ctx_ref, typeof(*ctx), ref); + lockdep_assert_held(&ctx->i915->dev->struct_mutex); trace_i915_context_free(ctx); if (i915.enable_execlists) @@ -181,6 +182,8 @@ i915_gem_alloc_context_obj(struct drm_device *dev, size_t size) struct drm_i915_gem_object *obj; int ret; + lockdep_assert_held(&dev->struct_mutex); + obj = i915_gem_object_create(dev, size); if (IS_ERR(obj)) return obj; @@ -304,7 +307,7 @@ i915_gem_create_context(struct drm_device *dev, struct i915_gem_context *ctx; int ret = 0; - BUG_ON(!mutex_is_locked(&dev->struct_mutex)); + lockdep_assert_held(&dev->struct_mutex); ctx = __create_hw_context(dev, file_priv); if (IS_ERR(ctx)) @@ -368,6 +371,8 @@ void i915_gem_context_reset(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; + lockdep_assert_held(&dev->struct_mutex); + if (i915.enable_execlists) { struct i915_gem_context *ctx; @@ -433,6 +438,8 @@ void i915_gem_context_lost(struct drm_i915_private *dev_priv) { struct intel_engine_cs *engine; + lockdep_assert_held(&dev_priv->dev->struct_mutex); + for_each_engine(engine, dev_priv) { if (engine->last_context == NULL) continue; @@ -451,6 +458,8 @@ void i915_gem_context_fini(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; struct i915_gem_context *dctx = dev_priv->kernel_context; + lockdep_assert_held(&dev->struct_mutex); + if (dctx->legacy_hw_ctx.rcs_state) i915_gem_object_ggtt_unpin(dctx->legacy_hw_ctx.rcs_state); @@ -491,6 +500,8 @@ void i915_gem_context_close(struct drm_device *dev, struct drm_file *file) { struct drm_i915_file_private *file_priv = file->driver_priv; + lockdep_assert_held(&dev->struct_mutex); + idr_for_each(&file_priv->context_idr, context_idr_cleanup, NULL); idr_destroy(&file_priv->context_idr); } @@ -500,6 +511,8 @@ i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id) { struct i915_gem_context *ctx; + lockdep_assert_held(&file_priv->dev_priv->dev->struct_mutex); + ctx = idr_find(&file_priv->context_idr, id); if (!ctx) return ERR_PTR(-ENOENT); @@ -852,10 +865,9 @@ unpin_out: int i915_switch_context(struct drm_i915_gem_request *req) { struct intel_engine_cs *engine = req->engine; - struct drm_i915_private *dev_priv = req->i915; WARN_ON(i915.enable_execlists); - WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex)); + lockdep_assert_held(&req->i915->dev->struct_mutex); if (engine->id != RCS || req->ctx->legacy_hw_ctx.rcs_state == NULL) { |
