diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/drmP.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h index a95db49..ce1e6bd 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -687,6 +687,11 @@ struct drm_gem_object { * * The driver's ->gem_free_object callback is responsible for cleaning * up the dma_buf attachment and references acquired at import time. + * + * Note that the drm gem/prime core does not depend upon drivers setting + * this field any more. So for drivers where this doesn't make sense + * (e.g. virtual devices or a displaylink behind an usb bus) they can + * simply leave it as NULL. */ struct dma_buf_attachment *import_attach; }; |