Bug#635953: GM965 display broken when using kino
Ben Hutchings wrote:
> Just a few minutes ago it seems to have triggered some more serious
> error which left the screen blank. The kernel logged the warnings
> shown below.
[...]
> [ 1439.876084] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state
> [ 1439.940384] [drm] Changing LVDS panel from (+hsync, +vsync) to (-hsync, -vsync)
> [ 1439.940537] ------------[ cut here ]------------
> [ 1439.940562] WARNING: at /build/buildd-linux-2.6_3.0.0-1-i386-ML66CU/linux-2.6-3.0.0/debian/build/source_i386_none/drivers/gpu/drm/i915/intel_display.c:791 intel_enable_pipe+0x68/0x11f [i915]()
> [ 1439.940566] Hardware name: 7661CH8
> [ 1439.940568] PLL state assertion failure (expected on, current off)
Sounds roughly like <https://bugs.freedesktop.org/show_bug.cgi?id=39176>.
For that bug, Chris Wilson writes:
| I wonder if this is related to the plane-flushing fix:
|
| commit 2704cf5fbd248871a745d210733c6319959d2b0c
| Author: Jesse Barnes <jbarnes@virtuousgeek.org>
| Date: Thu Jul 28 11:52:45 2011 -0700
|
| drm/i915: flush plane control changes on ILK+ as well
[...]
| Can you please test keithp/drm-intel-fixes [
| git://git.kernel.org/pub/scm/linux/kernel/git/keithp/drm-intel.git]
Maybe that can help.
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