[Intel-gfx] [PATCH] drm/i915: Distinguish last emitted request from last submitted request

[Joonas Lahtinen]

On ke, 2016-10-05 at 21:05 +0100, Chris Wilson wrote:
> In order not to trigger hangcheck on a idle-but-waiting engine, we need
> to distinguish between the pending request queue and the actual
> execution queue. This is done later in "drm/i915: Enable multiple
> timelines" but for now we need a temporary fix to prevent blaming the
> wrong engine for a GPU hang.
> 
> Fixes: 0a046a0e93d2 ("drm/i915: Nonblocking request submission")
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Mika Kuoppala <mika.kuoppala at intel.com>

Kerneldoc to tell the difference would be useful in the struct.

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

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