drm/amdgpu/cik_sdma: 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, 18 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index e71cd12104b3..e6d7bf9520a0 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -847,6 +847,22 @@ static void cik_sdma_ring_emit_vm_flush(struct amdgpu_ring *ring,
         amdgpu_ring_write(ring, (0xfff << 16) | 10); /* retry count, poll interval */
 }
 
+static unsigned cik_sdma_ring_get_emit_ib_size(struct amdgpu_ring *ring)
+{
+        return
+                7 + 4; /* cik_sdma_ring_emit_ib */
+}
+
+static unsigned cik_sdma_ring_get_dma_frame_size(struct amdgpu_ring *ring)
+{
+        return
+                6 + /* cik_sdma_ring_emit_hdp_flush */
+                3 + /* cik_sdma_ring_emit_hdp_invalidate */
+                6 + /* cik_sdma_ring_emit_pipeline_sync */
+                12 + /* cik_sdma_ring_emit_vm_flush */
+                9 + 9 + 9; /* cik_sdma_ring_emit_fence x3 for user fence, vm fence */
+}
+
 static void cik_enable_sdma_mgcg(struct amdgpu_device *adev,
                                  bool enable)
 {
@@ -1220,6 +1236,8 @@ static const struct amdgpu_ring_funcs cik_sdma_ring_funcs = {
         .test_ib = cik_sdma_ring_test_ib,
         .insert_nop = cik_sdma_ring_insert_nop,
         .pad_ib = cik_sdma_ring_pad_ib,
+        .get_emit_ib_size = cik_sdma_ring_get_emit_ib_size,
+        .get_dma_frame_size = cik_sdma_ring_get_dma_frame_size,
 };
 
 static void cik_sdma_set_ring_funcs(struct amdgpu_device *adev)