[Intel-gfx] [PATCH 1/2] drm/i915: check the power well when redisabling VGA

[Daniel Vetter]

On Mon, Aug 05, 2013 at 05:46:12PM +0200, Daniel Vetter wrote:
> On Fri, Aug 02, 2013 at 04:22:24PM -0300, Paulo Zanoni wrote:
> > From: Paulo Zanoni <paulo.r.zanoni at intel.com>
> > 
> > If the power well is disabled VGA is guaranteed to be disabled.
> > 
> > This fixes unclaimed register messages that happen on suspend/resume.
> > 
> > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67517
> > Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
> 
> Have you seen my other comment asking whether we could just force-enable
> the power well a bit earlier in the resume sequence instead? Imo that
> feels a notch more robust, since we didn't sprinkle tons of power well
> checks in all the other hw readout paths either.

Ok, I've merged this one here (plus comments and the follow-up patch)
instead of the other one.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch