diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-15 14:35:09 +0200 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-19 14:43:15 +0200 |
commit | 07f11d49f120dfffb5b8603dd3863e903d50c456 (patch) | |
tree | a75e9a11a18c8dc9ea028f4cfad53d6de523ccdf /drivers/gpu/drm/i915/i915_dma.c | |
parent | 4dc49272bdfc11cdefb41175771ee811e363dfc7 (diff) |
drm/i915: Convert backlight_lock to a mutex
Originally the irq safe spinlock was required because of asle
interrupts. But since
commit 91a60f20712179e56b7a6c3d332a5f6f9a54aa11
Author: Jani Nikula <jani.nikula@intel.com>
Date: Thu Oct 31 18:55:48 2013 +0200
drm/i915: move opregion asle request handling to a work queue
there's no need for this any more. So switch to the simpler mutex.
v2: Cite the right commit, spotted by Jani.
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 1403b01e8216..0bc1583114e7 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1614,7 +1614,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) spin_lock_init(&dev_priv->irq_lock); spin_lock_init(&dev_priv->gpu_error.lock); - spin_lock_init(&dev_priv->backlight_lock); + mutex_init(&dev_priv->backlight_lock); spin_lock_init(&dev_priv->uncore.lock); spin_lock_init(&dev_priv->mm.object_stat_lock); spin_lock_init(&dev_priv->mmio_flip_lock); |