drm/amdgpu: remove the ring lock v2

It's not needed any more because all access goes through the scheduler now.

v2: Update commit message.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 0 insertions, 5 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 3d4c2abfcfe8..081953e1ec6c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -814,7 +814,6 @@ struct amdgpu_ring {
         struct amd_gpu_scheduler        sched;
 
         spinlock_t              fence_lock;
-        struct mutex            *ring_lock;
         struct amdgpu_bo        *ring_obj;
         volatile uint32_t       *ring;
         unsigned                rptr_offs;
@@ -1190,12 +1189,9 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
 /* Ring access between begin & end cannot sleep */
 void amdgpu_ring_free_size(struct amdgpu_ring *ring);
 int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
-int amdgpu_ring_lock(struct amdgpu_ring *ring, unsigned ndw);
 void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count);
 void amdgpu_ring_commit(struct amdgpu_ring *ring);
-void amdgpu_ring_unlock_commit(struct amdgpu_ring *ring);
 void amdgpu_ring_undo(struct amdgpu_ring *ring);
-void amdgpu_ring_unlock_undo(struct amdgpu_ring *ring);
 unsigned amdgpu_ring_backup(struct amdgpu_ring *ring,
                             uint32_t **data);
 int amdgpu_ring_restore(struct amdgpu_ring *ring,
@@ -2009,7 +2005,6 @@ struct amdgpu_device {
 
         /* rings */
         unsigned                        fence_context;
-        struct mutex                    ring_lock;
         unsigned                        num_rings;
         struct amdgpu_ring              *rings[AMDGPU_MAX_RINGS];
         bool                            ib_pool_ready;