drm/amdgpu: remove fence_lock

Was never used as far as I can see.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index dd710a3..30124f4 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -772,7 +772,6 @@ struct amdgpu_ring {
        struct amdgpu_fence_driver      fence_drv;
        struct amd_gpu_scheduler        sched;
 
-       spinlock_t              fence_lock;
        struct amdgpu_bo        *ring_obj;
        volatile uint32_t       *ring;
        unsigned                rptr_offs;

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 3b885e3..f305f63 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -198,7 +198,6 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
        ring->cond_exe_gpu_addr = adev->wb.gpu_addr + (ring->cond_exe_offs * 4);
        ring->cond_exe_cpu_addr = &adev->wb.wb[ring->cond_exe_offs];
 
-       spin_lock_init(&ring->fence_lock);
        r = amdgpu_fence_driver_start_ring(ring, irq_src, irq_type);
        if (r) {
                dev_err(adev->dev, "failed initializing fences (%d).\n", r);