[Intel-gfx] [PATCH v4 16/61] drm/i915: Flatten obj->mm.lock

[Thomas Hellström (Intel)]

On 10/16/20 12:43 PM, Maarten Lankhorst wrote:
> With userptr fixed, there is no need for all separate lockdep classes
> now, and we can remove all lockdep tricks used. A trylock in the
> shrinker is all we need now to flatten the locking hierarchy.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>

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