[Intel-gfx] [PATCH v4 26/61] drm/i915: Make __engine_unpark() compatible with ww locking.

[Thomas Hellström]

On 10/16/20 12:44 PM, Maarten Lankhorst wrote:
> Take the ww lock around engine_unpark. Because of the
> many many places where rpm is used, I chose the safest option
> and used a trylock to opportunistically take this lock for
> __engine_unpark.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> ---

Reviewed-by: Thomas Hellström <thomas.hellstrom at linux.intel.com>