diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 2a5351df46d..28f91df2604 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3351,17 +3351,20 @@ i915_gem_object_get_fence(struct drm_i915_gem_object *obj) return 0; } -static bool i915_gem_valid_gtt_space(struct drm_device *dev, - struct drm_mm_node *gtt_space, +static bool i915_gem_valid_gtt_space(struct i915_vma *vma, unsigned long cache_level) { + struct drm_mm_node *gtt_space = &vma->node; struct drm_mm_node *other; - /* On non-LLC machines we have to be careful when putting differing - * types of snoopable memory together to avoid the prefetcher - * crossing memory domains and dying. + /* + * On some machines we have to be careful when putting differing types + * of snoopable memory together to avoid the prefetcher crossing memory + * domains and dying. During vm initialisation, we decide whether or not + * these constraints apply and set the drm_mm.color_adjust + * appropriately. */ - if (HAS_LLC(dev)) + if (vma->vm->mm.color_adjust == NULL) return true; if (!drm_mm_node_allocated(gtt_space)) @@ -3499,8 +3502,7 @@ search_free: goto err_free_vma; } - if (WARN_ON(!i915_gem_valid_gtt_space(dev, &vma->node, - obj->cache_level))) { + if (WARN_ON(!i915_gem_valid_gtt_space(vma, obj->cache_level))) { ret = -EINVAL; goto err_remove_node; } @@ -3710,7 +3712,7 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj, } list_for_each_entry_safe(vma, next, &obj->vma_list, vma_link) { - if (!i915_gem_valid_gtt_space(dev, &vma->node, cache_level)) { + if (!i915_gem_valid_gtt_space(vma, cache_level)) { ret = i915_vma_unbind(vma); if (ret) return ret; |