On Sun, Dec 31, 2017 at 01:03:39AM -0500, Ilia Mirkin wrote: > NVIDIA hardware, prior to Kepler, only supports XBGR2101010. However > drmAddFB with depth = 30 will use the mapping in > drm_mode_legacy_fb_format and pick the XRGB version of the format. > > One solution is to tell userspace "stop using addfb, move to addfb2". > However I'm hoping that there's some sort of semi-clean way of dealing > with such driver eccentricities without resorting to changing > userspace. > > Can the ioctl be handled in the driver perhaps? Or would it be > reasonable to add a callback in drm_driver? I don't think there's any sane way to allow the driver to remap these. How would generic userspace know which component order the driver actually picked? -- Ville Syrjälä Intel OTC _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
