On 28/11/16 03:55 PM, Daniel Vetter wrote: > On Sat, Nov 26, 2016 at 7:22 PM, David Herrmann <dh.herrmann@xxxxxxxxx> wrote: >> On Sat, Nov 26, 2016 at 7:07 PM, Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote: >>> grep "card0" dmesg: >>> [ 5.298617] device: 'card0': device_add >>> [ 5.298946] PM: Adding info for No Bus:card0 >>> [ 6.436178] device: 'card0': device_add >>> [ 6.436488] PM: Adding info for No Bus:card0 >>> >>> >>> # ls -l /dev/dri/card0 >>> crw-rw---T 1 root video 226, 0 Nov 26 18:05 /dev/dri/card0 >>> >>> # ls -lt /sys/class/drm/card0/device/ >>> ls: cannot access /sys/class/drm/card0/device/: No such file or directory >>> >>> # ls -lt /sys/class/drm/card0/device/driver >>> ls: cannot access /sys/class/drm/card0/device/driver: No such file or directory >> >> Looks like vgem. Something like this should help: >> >> https://gist.github.com/dvdhrm/1bcdf4f3485aa1614a0198a7b90515e2 >> >> I wonder whether it would be more appropriate to return -ENOTSUPP rather than 0. Can't see how that would matter FWIW. > Seems a bit overkill, but can't hurt. This is most likely a > regression, probably introduced in > > commit f837297ad82480024d3ad08cd84f6670bcafa862 > Author: Michel Dänzer <michel.daenzer@xxxxxxx> > Date: Mon Aug 8 16:23:39 2016 +0900 > > drm: Add DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags v2 > > Michel, can you pls take care of this? Either with a minimal fix, or > by adopting David's patch? Can't we just use David's patch as-is? If not, I think Dmitry or someone else would be better equipped than me to extract a minimal fix from it and test it. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
