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| author | Rex Zhu <Rex.Zhu@amd.com> | 2016-12-07 17:44:20 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-12-15 15:16:23 -0500 |
| commit | 202e0b227b906cb80a2791f21216a55d9468d61b (patch) | |
| tree | 8f1a9a5de850a6831518f179aacc1bdc3988dbb3 /drivers/gpu | |
| parent | eb584241226958d45aa1f07f4f6a6ea9da98b29e (diff) | |
| download | linux-202e0b227b906cb80a2791f21216a55d9468d61b.tar.gz | |
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
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 2dbe6a1d8973..2e65ccbb91be 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -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); |