diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_context.c | 24 |
3 files changed, 45 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 35bf5cb04785..c93f9a14eae7 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2839,6 +2839,11 @@ i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj, int i915_vma_bind(struct i915_vma *vma, enum i915_cache_level cache_level, u32 flags); int __must_check i915_vma_unbind(struct i915_vma *vma); +/* + * BEWARE: Do not use the function below unless you can _absolutely_ + * _guarantee_ VMA in question is _not in use_ anywhere. + */ +int __must_check __i915_vma_unbind_no_wait(struct i915_vma *vma); int i915_gem_object_put_pages(struct drm_i915_gem_object *obj); void i915_gem_release_all_mmaps(struct drm_i915_private *dev_priv); void i915_gem_release_mmap(struct drm_i915_gem_object *obj); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index f0cfbb9ee12c..52642aff1dab 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3208,7 +3208,7 @@ static void i915_gem_object_finish_gtt(struct drm_i915_gem_object *obj) old_write_domain); } -int i915_vma_unbind(struct i915_vma *vma) +static int __i915_vma_unbind(struct i915_vma *vma, bool wait) { struct drm_i915_gem_object *obj = vma->obj; struct drm_i915_private *dev_priv = obj->base.dev->dev_private; @@ -3227,9 +3227,11 @@ int i915_vma_unbind(struct i915_vma *vma) BUG_ON(obj->pages == NULL); - ret = i915_gem_object_wait_rendering(obj, false); - if (ret) - return ret; + if (wait) { + ret = i915_gem_object_wait_rendering(obj, false); + if (ret) + return ret; + } if (i915_is_ggtt(vma->vm) && vma->ggtt_view.type == I915_GGTT_VIEW_NORMAL) { @@ -3274,6 +3276,16 @@ int i915_vma_unbind(struct i915_vma *vma) return 0; } +int i915_vma_unbind(struct i915_vma *vma) +{ + return __i915_vma_unbind(vma, true); +} + +int __i915_vma_unbind_no_wait(struct i915_vma *vma) +{ + return __i915_vma_unbind(vma, false); +} + int i915_gpu_idle(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 74aa0c9929ba..680b4c9f6b73 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -133,6 +133,23 @@ static int get_context_size(struct drm_device *dev) return ret; } +static void i915_gem_context_clean(struct intel_context *ctx) +{ + struct i915_hw_ppgtt *ppgtt = ctx->ppgtt; + struct i915_vma *vma, *next; + + if (WARN_ON_ONCE(!ppgtt)) + return; + + WARN_ON(!list_empty(&ppgtt->base.active_list)); + + list_for_each_entry_safe(vma, next, &ppgtt->base.inactive_list, + mm_list) { + if (WARN_ON(__i915_vma_unbind_no_wait(vma))) + break; + } +} + void i915_gem_context_free(struct kref *ctx_ref) { struct intel_context *ctx = container_of(ctx_ref, typeof(*ctx), ref); @@ -142,6 +159,13 @@ void i915_gem_context_free(struct kref *ctx_ref) if (i915.enable_execlists) intel_lr_context_free(ctx); + /* + * This context is going away and we need to remove all VMAs still + * around. This is to handle imported shared objects for which + * destructor did not run when their handles were closed. + */ + i915_gem_context_clean(ctx); + i915_ppgtt_put(ctx->ppgtt); if (ctx->legacy_hw_ctx.rcs_state) |