diff options
Diffstat (limited to 'linux-core/drm_gem.c')
| -rw-r--r-- | linux-core/drm_gem.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/linux-core/drm_gem.c b/linux-core/drm_gem.c index a8253bc5..fb175d7d 100644 --- a/linux-core/drm_gem.c +++ b/linux-core/drm_gem.c @@ -100,6 +100,14 @@ drm_gem_object_alloc(struct drm_device *dev, size_t size) kref_init(&obj->handlecount); obj->size = size; + /* + * We've just allocated pages from the kernel, + * so they've just been written by the CPU with + * zeros. They'll need to be clflushed before we + * use them with the GPU. + */ + obj->write_domain = DRM_GEM_DOMAIN_CPU; + obj->read_domains = DRM_GEM_DOMAIN_CPU; if (dev->driver->gem_init_object != NULL && dev->driver->gem_init_object(obj) != 0) { fput(obj->filp); |