[PATCH 5.3 128/197] drm/amdgpu/sdma5: fix mask value of POLL_REGMEM packet for pipe sync

[Greg Kroah-Hartman]

From: Xiaojie Yuan <xiaojie.yuan@xxxxxxx>

commit d12c50857c6edc1d18aa7a60c5a4d6d943137bc0 upstream.

sdma will hang once sequence number to be polled reaches 0x1000_0000

Reviewed-by: Christian KÃnig <christian.koenig@xxxxxxx>
Signed-off-by: Xiaojie Yuan <xiaojie.yuan@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
@@ -1086,7 +1086,7 @@ static void sdma_v5_0_ring_emit_pipeline
 	amdgpu_ring_write(ring, addr & 0xfffffffc);
 	amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
 	amdgpu_ring_write(ring, seq); /* reference */
-	amdgpu_ring_write(ring, 0xfffffff); /* mask */
+	amdgpu_ring_write(ring, 0xffffffff); /* mask */
 	amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
 			  SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */
 }