[Intel-gfx] [PATCH] drm/i915: Inspect subunit states on hangcheck

[Chris Wilson]

On Tue, Dec 01, 2015 at 02:17:25PM +0200, Mika Kuoppala wrote:
> If head seems stuck and engine in question is rcs,
> inspect subunit state transitions before deciding that
> this really is a hang instead of limited progress.
> 
> References: https://bugs.freedesktop.org/show_bug.cgi?id=93029
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Dave Gordon <david.s.gordon at intel.com>
> Cc: Daniel Vetter <daniel at ffwll.ch>
> Signed-off-by: Mika Kuoppala <mika.kuoppala at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre