4.8-stable review patch. If anyone has any objections, please let me know.
------------------
From: Rex Zhu <Rex.Zhu@xxxxxxx>
commit 202e0b227b906cb80a2791f21216a55d9468d61b upstream.
set valid data to mmRLC_SRM_INDEX_CNTL_ADDRx/DATAx.
Signed-off-by: Rex Zhu <Rex.Zhu@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -3798,8 +3798,12 @@ static int gfx_v8_0_init_save_restore_li
temp = mmRLC_SRM_INDEX_CNTL_ADDR_0;
data = mmRLC_SRM_INDEX_CNTL_DATA_0;
for (i = 0; i < sizeof(unique_indices) / sizeof(int); i++) {
- amdgpu_mm_wreg(adev, temp + i, unique_indices[i] & 0x3FFFF, false);
- amdgpu_mm_wreg(adev, data + i, unique_indices[i] >> 20, false);
+ if (unique_indices[i] != 0) {
+ amdgpu_mm_wreg(adev, temp + i,
+ unique_indices[i] & 0x3FFFF, false);
+ amdgpu_mm_wreg(adev, data + i,
+ unique_indices[i] >> 20, false);
+ }
}
kfree(register_list_format);
--
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