[Intel-gfx] [PATCH] drm/i915: force full modeset if the connector is in DPMS OFF mode

[Daniel Vetter]

On Fri, May 3, 2013 at 1:22 PM, Imre Deak <imre.deak at intel.com> wrote:
> Currently the driver's assumed behavior for a modeset with an attached
> FB is that the corresponding connector will be switched to DPMS ON mode
> if it happened to be in DPMS OFF (or another power save mode). This
> wasn't enforced though if only the FB changed, everything else (format,
> connector etc.) remaining the same. In this case we only set the new FB
> base and left the connector in the old power save mode.
>
> Fix this by forcing a full modeset whenever there is an attached FB and
> any affected connector is in a power save mode.
>
> Signed-off-by: Imre Deak <imre.deak at intel.com>


Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=61642
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=59834
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=59339

Safe for the first just a few wild guesses. Can you please spam
bugzilla with this patch (there's tons more spurious kms_flip fail
iirc, also a few of the kms_flip jitter reports should be fixed by
now).

Thanks, Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch