[Intel-gfx] [PATCH v5] drm/i915: Be more careful to drop the GT wakeref

[Joonas Lahtinen]

On ti, 2016-11-15 at 16:46 +0000, Chris Wilson wrote:
> @@ -218,7 +218,12 @@ static void i915_gem_request_retire(struct drm_i915_gem_request *request)
>  	 */
>  	list_del(&request->ring_link);
>  	request->ring->last_retired_head = request->postfix;
> -	request->i915->gt.active_requests--;
> +	if (!--request->i915->gt.active_requests) {

BUG_ON(!request->i915->gt.active_requests) at the top?

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

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