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authorThomas Gleixner <tglx@linutronix.de>2015-01-12 10:51:13 +0100
committerThomas Gleixner <tglx@linutronix.de>2015-01-12 10:51:13 +0100
commit2f5eaf66e580f64032b365a00157b6b58c266b37 (patch)
tree7852017c864f0eb3833782e2a017952bd8531458 /drivers/gpu/drm/drm_irq.c
parentc291ee622165cb2c8d4e7af63fffd499354a23be (diff)
parent91d1179212161f220938198b742c328ad38fd0a3 (diff)
Merge tag 'irqchip-urgent-3.19' of git://git.infradead.org/users/jcooper/linux into irq/urgent
irqchip urgent fixes for v3.19 from Jason Cooper - mtk-sysirq: Fix error handling - hip04: Fix cpu map for 16bit value - gic-v3-its: Clear a warning regarding decimal constants - omap-intc: Fix legacy DMA regression - atmel-aic-common: Retain priority when changing type
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
-rw-r--r--drivers/gpu/drm/drm_irq.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 5ef03c216a2..f5a5f18efa5 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -166,7 +166,7 @@ static void vblank_disable_and_save(struct drm_device *dev, int crtc)
spin_lock_irqsave(&dev->vblank_time_lock, irqflags);
/*
- * If the vblank interrupt was already disbled update the count
+ * If the vblank interrupt was already disabled update the count
* and timestamp to maintain the appearance that the counter
* has been ticking all along until this time. This makes the
* count account for the entire time between drm_vblank_on() and
@@ -1029,7 +1029,8 @@ void drm_vblank_put(struct drm_device *dev, int crtc)
{
struct drm_vblank_crtc *vblank = &dev->vblank[crtc];
- BUG_ON(atomic_read(&vblank->refcount) == 0);
+ if (WARN_ON(atomic_read(&vblank->refcount) == 0))
+ return;
if (WARN_ON(crtc >= dev->num_crtcs))
return;
@@ -1190,7 +1191,7 @@ EXPORT_SYMBOL(drm_crtc_vblank_off);
*
* This functions restores the vblank interrupt state captured with
* drm_vblank_off() again. Note that calls to drm_vblank_on() and
- * drm_vblank_off() can be unbalanced and so can also be unconditionaly called
+ * drm_vblank_off() can be unbalanced and so can also be unconditionally called
* in driver load code to reflect the current hardware state of the crtc.
*
* This is the legacy version of drm_crtc_vblank_on().
@@ -1237,7 +1238,7 @@ EXPORT_SYMBOL(drm_vblank_on);
*
* This functions restores the vblank interrupt state captured with
* drm_vblank_off() again. Note that calls to drm_vblank_on() and
- * drm_vblank_off() can be unbalanced and so can also be unconditionaly called
+ * drm_vblank_off() can be unbalanced and so can also be unconditionally called
* in driver load code to reflect the current hardware state of the crtc.
*
* This is the native kms version of drm_vblank_on().