Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c 
b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
index e822296..82c731b 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
@@ -906,6 +906,22 @@ static void sdma_v2_4_ring_emit_vm_flush(struct 
amdgpu_ring *ring,
                          SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry 
count, poll interval */
 }
 
+static unsigned sdma_v2_4_ring_get_emit_ib_size(struct amdgpu_ring *ring)
+{
+       return
+               7 + 6; /* sdma_v2_4_ring_emit_ib */
+}
+
+static unsigned sdma_v2_4_ring_get_dma_frame_size(struct amdgpu_ring *ring)
+{
+       return
+               6 + /* sdma_v2_4_ring_emit_hdp_flush */
+               3 + /* sdma_v2_4_ring_emit_hdp_invalidate */
+               6 + /* sdma_v2_4_ring_emit_pipeline_sync */
+               12 + /* sdma_v2_4_ring_emit_vm_flush */
+               10 + 10 + 10; /* sdma_v2_4_ring_emit_fence x3 for user fence, 
vm fence */
+}
+
 static int sdma_v2_4_early_init(void *handle)
 {
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -1224,6 +1240,8 @@ static const struct amdgpu_ring_funcs 
sdma_v2_4_ring_funcs = {
        .test_ib = sdma_v2_4_ring_test_ib,
        .insert_nop = sdma_v2_4_ring_insert_nop,
        .pad_ib = sdma_v2_4_ring_pad_ib,
+       .get_emit_ib_size = sdma_v2_4_ring_get_emit_ib_size,
+       .get_dma_frame_size = sdma_v2_4_ring_get_dma_frame_size,
 };
 
 static void sdma_v2_4_set_ring_funcs(struct amdgpu_device *adev)
-- 
2.5.5

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