Quoting Ville Syrjala (2018-05-24 20:04:05) > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > My ILK seems to generate a spurious PCH underrun with most interlaced > HDMI modes. Add a second vblank wait to avoid it. Fwiw, a second vblank because of interlacing is very believable. > We have seen some spurious PCH underruns still in CI as well, some > of which seem to be progressive DP. The logs also point towards some > spurious underrins with progressive HDMI on SNB. While I don't have > a solid explanation for those let's try to kill all the birds with one > stone and always do the double wait. > > Buzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106387 > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Acked-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> No point waiting for a vblank worker? ;) -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
