diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index d8618f32557e..a3678018af36 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3021,6 +3021,13 @@ i915_gem_clflush_object(struct drm_i915_gem_object *obj) if (obj->pages == NULL) return; + /* + * Stolen memory is always coherent with the GPU as it is explicitly + * marked as wc by the system, or the system is cache-coherent. + */ + if (obj->stolen) + return; + /* If the GPU is snooping the contents of the CPU cache, * we do not need to manually clear the CPU cache lines. However, * the caches are only snooped when the render cache is |