From: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
The irq flags state is already established by the outer
spin_lock_irqsave(); re-disabling irqs is redundant.
Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/drm_irq.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index c2676b5..baa12e7 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -882,13 +882,13 @@ static void drm_update_vblank_count(struct drm_device *dev, int crtc)
*/
int drm_vblank_get(struct drm_device *dev, int crtc)
{
- unsigned long irqflags, irqflags2;
+ unsigned long irqflags;
int ret = 0;
spin_lock_irqsave(&dev->vbl_lock, irqflags);
/* Going from 0->1 means we have to enable interrupts again */
if (atomic_add_return(1, &dev->vblank[crtc].refcount) == 1) {
- spin_lock_irqsave(&dev->vblank_time_lock, irqflags2);
+ spin_lock(&dev->vblank_time_lock);
if (!dev->vblank[crtc].enabled) {
/* Enable vblank irqs under vblank_time_lock protection.
* All vblank count & timestamp updates are held off
@@ -906,7 +906,7 @@ int drm_vblank_get(struct drm_device *dev, int crtc)
drm_update_vblank_count(dev, crtc);
}
}
- spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags2);
+ spin_unlock(&dev->vblank_time_lock);
} else {
if (!dev->vblank[crtc].enabled) {
atomic_dec(&dev->vblank[crtc].refcount);
--
1.8.3.2
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