drm/amdgpu: add begin/end_use ring callbacks

For manual UVD/VCE power and clock gating.

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

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 30124f4916d2..51c4924b60b7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -313,6 +313,9 @@ struct amdgpu_ring_funcs {
         void (*pad_ib)(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
         unsigned (*init_cond_exec)(struct amdgpu_ring *ring);
         void (*patch_cond_exec)(struct amdgpu_ring *ring, unsigned offset);
+        /* note usage for clock and power gating */
+        void (*begin_use)(struct amdgpu_ring *ring);
+        void (*end_use)(struct amdgpu_ring *ring);
 };
 
 /*