[Intel-gfx] [PATCH 1/2] dmr/i915: Use appropriate spinlock flavour

[Daniel Vetter]

On Mon, Feb 01, 2016 at 11:00:07AM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> We know this never runs from interrupt context so
> don't need to use the flags variant.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

> ---
>  drivers/gpu/drm/i915/i915_gem.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index a928823507c5..faa9def96917 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -2970,11 +2970,9 @@ i915_gem_retire_requests(struct drm_device *dev)
>  		i915_gem_retire_requests_ring(ring);
>  		idle &= list_empty(&ring->request_list);
>  		if (i915.enable_execlists) {
> -			unsigned long flags;
> -
> -			spin_lock_irqsave(&ring->execlist_lock, flags);
> +			spin_lock_irq(&ring->execlist_lock);
>  			idle &= list_empty(&ring->execlist_queue);
> -			spin_unlock_irqrestore(&ring->execlist_lock, flags);
> +			spin_unlock_irq(&ring->execlist_lock);
>  
>  			intel_execlists_retire_requests(ring);
>  		}
> -- 
> 1.9.1
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch