drm/radeon: replace the per ring mutex with a global one
A single global mutex for ring submissions seems sufficient.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 82ffa6a..e99ea81 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -676,7 +676,6 @@
uint64_t gpu_addr;
uint32_t align_mask;
uint32_t ptr_mask;
- struct mutex mutex;
bool ready;
u32 ptr_reg_shift;
u32 ptr_reg_mask;
@@ -815,6 +814,7 @@
int radeon_ring_lock(struct radeon_device *rdev, struct radeon_ring *cp, unsigned ndw);
void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *cp);
void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring *cp);
+void radeon_ring_undo(struct radeon_ring *ring);
void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring *cp);
int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp);
void radeon_ring_force_activity(struct radeon_device *rdev, struct radeon_ring *ring);
@@ -1534,6 +1534,7 @@
rwlock_t fence_lock;
struct radeon_fence_driver fence_drv[RADEON_NUM_RINGS];
struct radeon_semaphore_driver semaphore_drv;
+ struct mutex ring_lock;
struct radeon_ring ring[RADEON_NUM_RINGS];
struct radeon_ib_pool ib_pool;
struct radeon_irq irq;