The DRM renderer does this for the out-of-tree v4l2m2m patches to ensure we get NV12 buffers, but it ends up clobbering our own preference for DRM_PRIME frames in the process.
The DRM renderer does this for the out-of-tree v4l2m2m patches to ensure we get NV12 buffers, but it ends up clobbering our own preference for DRM_PRIME frames in the process.