[Intel-gfx] [PATCH 03/15] drm/i915: Upgrade execbuffer fail after resume failure to EIO

[Chris Wilson]

On Wed, Aug 06, 2014 at 09:56:45AM +0200, Daniel Vetter wrote:
> On Tue, Aug 05, 2014 at 07:51:14AM -0700, Rodrigo Vivi wrote:
> > From: Chris Wilson <chris at chris-wilson.co.uk>
> > 
> > If we try to execute on a known ring, but it has failed to be
> > initialised correctly, report that the GPU is hung rather than the
> > command invalid. This leaves us reporting EINVAL only if the user
> > requests execution on a ring that is not supported by the device.
> > 
> > This should prevent UXA from getting stuck in a null render loop after a
> > failed resume.
> > 
> > v2 (Rodrigo): Fix conflict and add VCS2 ring and
> >    	      s/intel_ring_buffer/intel_engine_cs.
> > 
> > Reported-by: Jiri Kosina <jikos at jikos.cz>
> > References: https://bugs.freedesktop.org/show_bug.cgi?id=76554
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> 
> This isn't required any more, see
> 
> commit 074c6adaf4e7d1423d373bd5d1afc20b683cb4d0
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Wed Apr 9 09:19:43 2014 +0100
> 
>     drm/i915: Mark device as wedged if we fail to resume
> 
> for the alternate merged patch.

Hmm, there is still a path that ends here, but the example above is
already fixed as you say.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre