From: Xiaojie Yuan <xiaojie.yuan@amd.com>
Date: Thu, 10 Oct 2019 01:01:23 +0800
Subject: drm/amdgpu/sdma5: fix mask value of POLL_REGMEM packet for pipe sync
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Git-commit: d12c50857c6edc1d18aa7a60c5a4d6d943137bc0
Patch-mainline: 5.4-rc4
References: bnc#1151927 5.3.8
sdma will hang once sequence number to be polled reaches 0x1000_0000
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
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 */
}