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[1/2] dmr/i915: Use appropriate spinlock flavour

Message ID 1454324408-29327-1-git-send-email-tvrtko.ursulin@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tvrtko Ursulin Feb. 1, 2016, 11 a.m. UTC 
From: Tvrtko Ursulin <tvrtko.ursulin@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@intel.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Comments

Daniel Vetter Feb. 11, 2016, 8:52 a.m. UTC | #1 
On Mon, Feb 01, 2016 at 11:00:07AM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin@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@intel.com>

Reviewed-by: Daniel Vetter <daniel.vetter@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
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff mbox

Patch

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);
 		}