drm/amdgpu/uvd4.2: add ring callbacks for ib and dma frame size

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

1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
index 10c0407dcb6e..f6c941550b8f 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
@@ -526,6 +526,20 @@ static void uvd_v4_2_ring_emit_ib(struct amdgpu_ring *ring,
         amdgpu_ring_write(ring, ib->length_dw);
 }
 
+static unsigned uvd_v4_2_ring_get_emit_ib_size(struct amdgpu_ring *ring)
+{
+        return
+                4; /* uvd_v4_2_ring_emit_ib */
+}
+
+static unsigned uvd_v4_2_ring_get_dma_frame_size(struct amdgpu_ring *ring)
+{
+        return
+                2 + /* uvd_v4_2_ring_emit_hdp_flush */
+                2 + /* uvd_v4_2_ring_emit_hdp_invalidate */
+                14; /* uvd_v4_2_ring_emit_fence  x1 no user fence */
+}
+
 /**
  * uvd_v4_2_mc_resume - memory controller programming
  *
@@ -756,6 +770,8 @@ static const struct amdgpu_ring_funcs uvd_v4_2_ring_funcs = {
         .pad_ib = amdgpu_ring_generic_pad_ib,
         .begin_use = amdgpu_uvd_ring_begin_use,
         .end_use = amdgpu_uvd_ring_end_use,
+        .get_emit_ib_size = uvd_v4_2_ring_get_emit_ib_size,
+        .get_dma_frame_size = uvd_v4_2_ring_get_dma_frame_size,
 };
 
 static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev)