[Intel-gfx] [PATCH 05/19] drm/i915: Remove forced stop ring on suspend/unload

[Joonas Lahtinen]

On to, 2016-08-04 at 20:52 +0100, Chris Wilson wrote:
> Before suspending (or unloading), we would first wait upon all rendering
> to be completed and then disable the rings. This later step is a remanent
> from DRI1 days when we did not use request tracking for all operations
> upon the ring. Now that we are sure we are waiting upon the very last
> operation by the engine, we can forgo clobbering the ring registers,
> though we do keep the assert that the engine is indeed idle before
> sleeping.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Could use thorough testing again.

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

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