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drm/amdgpu: fix init save/restore list in gfx_v8.0 

set valid data to mmRLC_SRM_INDEX_CNTL_ADDRx/DATAx.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Rex Zhu 2016-12-07 17:44:20 +08:00 committed by Alex Deucher
parent eb58424122
commit 202e0b227b
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
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@ -3949,8 +3949,12 @@ static int gfx_v8_0_init_save_restore_list(struct amdgpu_device *adev)
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);