On Thu, Oct 01, 2015 at 11:41:34AM +0200, Jiri Kosina wrote: > Hi, > > since I've updated on my thinkpad x200s to latest Linus' tree (3235031), I > am getting a lot of > > [drm:drm_calc_timestamping_constants [drm]] *ERROR* crtc 21: Can't calculate constants, dotclock = 0! What's a lot? I think you should see at most a few during driver load, and maybe resume. If you're seeing more during runtime, then I think there must be a more serious bug somewhere. > > googling revealed this patch: > > http://permalink.gmane.org/gmane.comp.freedesktop.xorg.drivers.intel/67471 > > is there any reason why it's not present upstream? There's a v2 of that patch in some tree. Hmm. Seems to be in drm-intel-next-queued. Maybe it should get bumped to -fixes? There's also another one that kills some of those message on certain platforms: 0f64614dde17 drm/i915: Fix clock readout when pipes are enabled w/o ports -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
