On Mon, Oct 10, 2011 at 09:04:45AM +0200, Daniel Vetter wrote: > On Mon, Oct 10, 2011 at 03:19:13AM +0400, Олег Герман wrote: > > I have a VAIO VPC-SA2 laptop, with an Ubuntu 11.04 installed. > > The problem lies in the strange screen (LVDS 1600x900) blinking/waves > > ( which is mostly > > noticeable in grey gradients and causes eyes fatigue and pain after > > prolonged use. > > This problem does not occur with the VESA driver, Windows and other > > outputs, but it's > > reproduced in Fedora Core and Ubuntu 10.10/11.04/11.10 at X-window and > > cosole (with i915 module). It is clear that the problem is in the > > driver, but I can't determine the source of noise, it may be because > > of the backlight, or the display-panel. > > > > I captured how it looks like > > http://www.youtube.com/watch?feature=player_profilepage&v=C3LcYLrFwHU > > I'd wager this is dithering gone wrong. Can you boot with drm.debug=0xe > and attach the full dmesg? Also please attach xrandr --verbose.
Another thing to try is disabling SSC with i915.lvds_use_ssc=0 on the kernel cmdline. -Daniel -- Daniel Vetter Mail: dan...@ffwll.ch Mobile: +41 (0)79 365 57 48 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
