[Intel-gfx] [PATCH] drm/i915: Perform pageflip using mmio if the GPU is terminally wedged

[Daniel Vetter]

On Wed, Mar 05, 2014 at 03:08:27PM +0200, Ville Syrjälä wrote:
> On Thu, Feb 20, 2014 at 09:26:13AM +0000, Chris Wilson wrote:
> > After a hang and failed reset, we cannot use the GPU to execute the page
> > flip instructions. Instead we can force a synchronous mmio flip. (Later,
> > we can reduce the synchronicity of the mmio flip by moving some of the
> > delays off to a worker, like the current page flip code; see vblank
> > tasks.)
> > 
> > References: https://bugs.freedesktop.org/show_bug.cgi?id=72631
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> 
> Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Queued for -next, thanks for the patch.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch