On Wed, Jul 06, 2016 at 12:26:44PM +0200, Mario Kleiner wrote: > A strange one. In Linux 4.7-rc4, at least as build by the Ubuntu mainline > ppa, gamma table updates via RandR don't work. No errors are reported and > the X-Server thinks everything went well, but on Intel Ironlake and > Ivybridge the updates don't have any visual effect. > > The same problem doesn't happen with current drm-next, so something was > fixed. Looking at the new code in intel_color.c i can't see anything obvious > that would break it on 4.7-rc but make it work on drm-next? > > Are there some gamma fixes in drm-next that didn't make it into 4.7-rc yet? Not sure what's going on, but might need a reverse bisect to cherry-pick the fixes over. It's indeed supposed to keep working. Lionel has been working on this, adding him. -Daniel > > Thanks, > -mario > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
