[Intel-gfx] [PATCH 04/11] drm/i915: Fix the overlay frontbuffer tracking

[Chris Wilson]

On Wed, Dec 07, 2016 at 07:28:06PM +0200, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Do the overlay frontbuffer tracking properly so that it matches
> the state of the overlay on/off/continue requests.
> 
> One slight problem is that intel_frontbuffer_flip_complete()
> may get delayed by an arbitrarily liong time due to the fact that
> the overlay code likes to bail out when a signal occurs. So the
> flip may not get completed until the ioctl is restarted. But fixing
> that would require bigger surgery, so I decided to ignore it for now.

Bigger surgery than conversion to spite planes? ;-)
 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Nothing to complain about, traced the new ref and found it freed.
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre