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drm/radeon: replace cs_mutex with vm_mutex v3

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Try to remove or replace the cs_mutex with a
vm_mutex where it is still needed.

v2: fix locking order
v3: rebased on drm-next

Signed-off-by: Christian König <deathsimple@vodafone.de>
This commit is contained in:
Christian König
2012-05-09 10:07:08 +02:00
parent 736fc37fd7
commit 36ff39c404
5 changed files with 17 additions and 64 deletions
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2
drivers/gpu/drm/radeon/radeon_device.c
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@@ -728,7 +728,6 @@ int radeon_device_init(struct radeon_device *rdev,
/* mutex initialization are all done here so we
* can recall function without having locking issues */
radeon_mutex_init(&rdev->cs_mutex);
mutex_init(&rdev->ring_lock);
mutex_init(&rdev->dc_hw_i2c_mutex);
atomic_set(&rdev->ih.lock, 0);
@@ -741,6 +740,7 @@ int radeon_device_init(struct radeon_device *rdev,
if (r)
return r;
/* initialize vm here */
mutex_init(&rdev->vm_manager.lock);
rdev->vm_manager.use_bitmap = 1;
rdev->vm_manager.max_pfn = 1 << 20;
INIT_LIST_HEAD(&rdev->vm_manager.lru_vm);