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. 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? Thanks, Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
