diff options
| -rw-r--r-- | linux-core/i915_gem.c | 58 |
1 files changed, 41 insertions, 17 deletions
diff --git a/linux-core/i915_gem.c b/linux-core/i915_gem.c index bcc15dd3..4e01b8ea 100644 --- a/linux-core/i915_gem.c +++ b/linux-core/i915_gem.c @@ -36,7 +36,7 @@ #define WATCH_LRU 0 #define WATCH_RELOC 0 -static void +static int i915_gem_object_set_domain(struct drm_gem_object *obj, uint32_t read_domains, uint32_t write_domain); @@ -452,17 +452,18 @@ i915_gem_object_wait_rendering(struct drm_gem_object *obj) /** * Unbinds an object from the GTT aperture. */ -static void +static int i915_gem_object_unbind(struct drm_gem_object *obj) { struct drm_i915_gem_object *obj_priv = obj->driver_private; + int ret = 0; #if WATCH_BUF DRM_INFO("%s:%d %p\n", __func__, __LINE__, obj); DRM_INFO("gtt_space %p\n", obj_priv->gtt_space); #endif if (obj_priv->gtt_space == NULL) - return; + return 0; /* Move the object to the CPU domain to ensure that * any possible CPU writes while it's not in the GTT @@ -470,8 +471,10 @@ i915_gem_object_unbind(struct drm_gem_object *obj) * also ensure that all pending GPU writes are finished * before we unbind. */ - i915_gem_object_set_domain (obj, DRM_GEM_DOMAIN_CPU, - DRM_GEM_DOMAIN_CPU); + ret = i915_gem_object_set_domain (obj, DRM_GEM_DOMAIN_CPU, + DRM_GEM_DOMAIN_CPU); + if (ret) + return ret; if (obj_priv->agp_mem != NULL) { drm_unbind_agp(obj_priv->agp_mem); @@ -494,6 +497,7 @@ i915_gem_object_unbind(struct drm_gem_object *obj) drm_gem_object_unreference(obj); } } + return 0; } #if WATCH_BUF | WATCH_EXEC @@ -579,6 +583,7 @@ i915_gem_evict_something(struct drm_device *dev) drm_i915_private_t *dev_priv = dev->dev_private; struct drm_gem_object *obj; struct drm_i915_gem_object *obj_priv; + int ret; for (;;) { /* If there's an inactive buffer available now, grab it @@ -645,9 +650,9 @@ i915_gem_evict_something(struct drm_device *dev) BUG_ON(obj_priv->active); /* Wait on the rendering and unbind the buffer. */ - i915_gem_object_unbind(obj); + ret = i915_gem_object_unbind(obj); - return 0; + return ret; } static int @@ -894,7 +899,7 @@ i915_gem_clflush_object(struct drm_gem_object *obj) * MI_FLUSH * drm_agp_chipset_flush */ -static void +static int i915_gem_object_set_domain(struct drm_gem_object *obj, uint32_t read_domains, uint32_t write_domain) @@ -902,6 +907,7 @@ i915_gem_object_set_domain(struct drm_gem_object *obj, struct drm_device *dev = obj->dev; uint32_t invalidate_domains = 0; uint32_t flush_domains = 0; + int ret; #if WATCH_BUF DRM_INFO("%s: object %p read %08x write %08x\n", @@ -940,8 +946,11 @@ i915_gem_object_set_domain(struct drm_gem_object *obj, * flushed before the cpu cache is invalidated */ if ((invalidate_domains & DRM_GEM_DOMAIN_CPU) && - (flush_domains & ~DRM_GEM_DOMAIN_CPU)) - i915_gem_object_wait_rendering(obj); + (flush_domains & ~DRM_GEM_DOMAIN_CPU)) { + ret = i915_gem_object_wait_rendering(obj); + if (ret) + return ret; + } i915_gem_clflush_object(obj); } @@ -950,6 +959,7 @@ i915_gem_object_set_domain(struct drm_gem_object *obj, obj->read_domains = read_domains; dev->invalidate_domains |= invalidate_domains; dev->flush_domains |= flush_domains; + return 0; } /** @@ -1378,6 +1388,14 @@ i915_gem_execbuffer(struct drm_device *dev, void *data, } mutex_lock(&dev->struct_mutex); + + /* Zero the gloabl flush/invalidate flags. These + * will be modified as each object is bound to the + * gtt + */ + dev->invalidate_domains = 0; + dev->flush_domains = 0; + /* Look up object handles and perform the relocations */ for (i = 0; i < args->buffer_count; i++) { object_list[i] = drm_gem_object_lookup(dev, file_priv, @@ -1389,6 +1407,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data, goto err; } + object_list[i]->pending_read_domains = 0; + object_list[i]->pending_write_domain = 0; ret = i915_gem_reloc_and_validate_object(object_list[i], file_priv, &validate_list[i]); @@ -1418,11 +1438,11 @@ i915_gem_execbuffer(struct drm_device *dev, void *data, } /* make sure all previous memory operations have passed */ - i915_gem_object_set_domain(obj, - obj->pending_read_domains, - obj->pending_write_domain); - obj->pending_read_domains = 0; - obj->pending_write_domain = 0; + ret = i915_gem_object_set_domain(obj, + obj->pending_read_domains, + obj->pending_write_domain); + if (ret) + goto err; } /* Flush/invalidate caches and chipset buffer */ @@ -1626,15 +1646,19 @@ i915_gem_set_domain(struct drm_gem_object *obj, uint32_t write_domain) { struct drm_device *dev = obj->dev; + int ret; BUG_ON(!mutex_is_locked(&dev->struct_mutex)); drm_client_lock_take(dev, file_priv); i915_kernel_lost_context(dev); - i915_gem_object_set_domain(obj, read_domains, write_domain); + ret = i915_gem_object_set_domain(obj, read_domains, write_domain); + if (ret) { + drm_client_lock_release(dev); + return ret; + } i915_gem_dev_set_domain(obj->dev); drm_client_lock_release(dev); - return 0; } |