drm/amdgpu: fix no hdp flush for compute ring
No pfp on compute.
Signed-off-by: monk.liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 58a20be..ed2f35d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -2376,6 +2376,7 @@
static void gfx_v7_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
{
u32 ref_and_mask;
+ int usepfp = ring->type == AMDGPU_RING_TYPE_COMPUTE ? 0 : 1;
if (ring->type == AMDGPU_RING_TYPE_COMPUTE) {
switch (ring->me) {
@@ -2395,7 +2396,7 @@
amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
amdgpu_ring_write(ring, (WAIT_REG_MEM_OPERATION(1) | /* write, wait, write */
WAIT_REG_MEM_FUNCTION(3) | /* == */
- WAIT_REG_MEM_ENGINE(1))); /* pfp */
+ WAIT_REG_MEM_ENGINE(usepfp))); /* pfp or me */
amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_REQ);
amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_DONE);
amdgpu_ring_write(ring, ref_and_mask);
@@ -5522,6 +5523,7 @@
.emit_semaphore = gfx_v7_0_ring_emit_semaphore,
.emit_vm_flush = gfx_v7_0_ring_emit_vm_flush,
.emit_gds_switch = gfx_v7_0_ring_emit_gds_switch,
+ .emit_hdp_flush = gfx_v7_0_ring_emit_hdp_flush,
.test_ring = gfx_v7_0_ring_test_ring,
.test_ib = gfx_v7_0_ring_test_ib,
.is_lockup = gfx_v7_0_ring_is_lockup,