Re: [PATCH] drm/i915: don't check inconsistent modeset state when force-restoring

From: Tomas Melin
Date: Wed Apr 10 2013 - 14:32:51 EST

On Tue, Apr 9, 2013 at 10:51 PM, Daniel Vetter <daniel.vetter@xxxxxxxx> wrote:
> v2: Try harder not to create a big patch (Chris).
Tested the patch applied to 3.9-rc6. Atleast on my machine that
helped, although once I managed to get the error (but not warning and
call trace as before):
[drm:i9xx_crtc_mode_set] *ERROR* Couldn't find PLL settings for mode!

On Wed, Apr 10, 2013 at 8:27 PM, Richard Cochran
<richardcochran@xxxxxxxxx> wrote:
> I couldn't see right away how to fix it up, so I just compiled your
> drm-intel-next-queued plus this patch. If I close the netbook's lid
> and open it again, the screen is blank, no backlight, and the machine
> seems to be frozen.

The patch doesn't apply at all to 3.8 since function crtc_restore_mode
is missing and also 3.9-rc6 was quite different.
This version of the patch applies atleast to 3.9-rc6 if you want to test it: