drm/amdgpu: remove now superflous *_hdp operation

All HDP invalidation and most flush can now be replaced by the generic
ASIC function.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 1 insertions, 9 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index 1d32dedb2534..5d18512cd090 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -261,13 +261,6 @@ static void cik_sdma_ring_emit_hdp_flush(struct amdgpu_ring *ring)
         amdgpu_ring_write(ring, (0xfff << 16) | 10); /* retry count, poll interval */
 }
 
-static void cik_sdma_ring_emit_hdp_invalidate(struct amdgpu_ring *ring)
-{
-        amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000));
-        amdgpu_ring_write(ring, mmHDP_DEBUG0);
-        amdgpu_ring_write(ring, 1);
-}
-
 /**
  * cik_sdma_ring_emit_fence - emit a fence on the DMA ring
  *
@@ -1277,7 +1270,7 @@ static const struct amdgpu_ring_funcs cik_sdma_ring_funcs = {
         .set_wptr = cik_sdma_ring_set_wptr,
         .emit_frame_size =
                 6 + /* cik_sdma_ring_emit_hdp_flush */
-                3 + /* cik_sdma_ring_emit_hdp_invalidate */
+                3 + /* hdp invalidate */
                 6 + /* cik_sdma_ring_emit_pipeline_sync */
                 CIK_FLUSH_GPU_TLB_NUM_WREG * 3 + 6 + /* cik_sdma_ring_emit_vm_flush */
                 9 + 9 + 9, /* cik_sdma_ring_emit_fence x3 for user fence, vm fence */
@@ -1287,7 +1280,6 @@ static const struct amdgpu_ring_funcs cik_sdma_ring_funcs = {
         .emit_pipeline_sync = cik_sdma_ring_emit_pipeline_sync,
         .emit_vm_flush = cik_sdma_ring_emit_vm_flush,
         .emit_hdp_flush = cik_sdma_ring_emit_hdp_flush,
-        .emit_hdp_invalidate = cik_sdma_ring_emit_hdp_invalidate,
         .test_ring = cik_sdma_ring_test_ring,
         .test_ib = cik_sdma_ring_test_ib,
         .insert_nop = cik_sdma_ring_insert_nop,