diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index 2abe8a93c99f..e0fd9f21ed95 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -725,6 +725,31 @@ static void uvd_v6_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
 	amdgpu_ring_write(ring, 0xE);
 }
 
+static unsigned uvd_v6_0_ring_get_emit_ib_size(struct amdgpu_ring *ring)
+{
+	return
+		8; /* uvd_v6_0_ring_emit_ib */
+}
+
+static unsigned uvd_v6_0_ring_get_dma_frame_size(struct amdgpu_ring *ring)
+{
+	return
+		2 + /* uvd_v6_0_ring_emit_hdp_flush */
+		2 + /* uvd_v6_0_ring_emit_hdp_invalidate */
+		10 + /* uvd_v6_0_ring_emit_pipeline_sync */
+		14; /* uvd_v6_0_ring_emit_fence x1 no user fence */
+}
+
+static unsigned uvd_v6_0_ring_get_dma_frame_size_vm(struct amdgpu_ring *ring)
+{
+	return
+		2 + /* uvd_v6_0_ring_emit_hdp_flush */
+		2 + /* uvd_v6_0_ring_emit_hdp_invalidate */
+		10 + /* uvd_v6_0_ring_emit_pipeline_sync */
+		20 + /* uvd_v6_0_ring_emit_vm_flush */
+		14 + 14; /* uvd_v6_0_ring_emit_fence x2 vm fence */
+}
+
 static bool uvd_v6_0_is_idle(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -1037,6 +1062,8 @@ static const struct amdgpu_ring_funcs uvd_v6_0_ring_phys_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_v6_0_ring_get_emit_ib_size,
+	.get_dma_frame_size = uvd_v6_0_ring_get_dma_frame_size,
 };
 
 static const struct amdgpu_ring_funcs uvd_v6_0_ring_vm_funcs = {
@@ -1056,6 +1083,8 @@ static const struct amdgpu_ring_funcs uvd_v6_0_ring_vm_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_v6_0_ring_get_emit_ib_size,
+	.get_dma_frame_size = uvd_v6_0_ring_get_dma_frame_size_vm,
 };
 
 static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev)