[Intel-gfx] [PATCH] drm/i915: drop the struct_mutex when wedged or trying to reset

[Joonas Lahtinen]

On ma, 2016-11-28 at 10:36 +0000, Matthew Auld wrote:
> We grab the struct_mutex in intel_crtc_page_flip, but if we are wedged
> or a reset is in progress we bail early but never seem to actually
> release the lock.
> 
> Fixes: 7f1847ebf48b ("drm/i915: Simplify checking of GPU reset_counter in display pageflips")
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Signed-off-by: Matthew Auld <matthew.auld at intel.com>

Cc: stable # v4.6 ?

Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation