drm/amdgpu/sdma2.4: 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/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
index e82229686783..82c731befacb 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)