diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2016-12-07 09:44:20 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-09 07:32:20 (GMT) |
| commit | 8dbd6f709e62394fedb4fe75a3e553cbb6cbdbd3 (patch) | |
| tree | 08e2bc5389dfc681c6277c62a82f0b1468732ed0 | |
| parent | f2d3d7f84cdf60d2e7e103a3381910005a4ca669 (diff) | |
| download | linux-8dbd6f709e62394fedb4fe75a3e553cbb6cbdbd3.tar.xz | |
drm/amdgpu: fix init save/restore list in gfx_v8.0
commit 202e0b227b906cb80a2791f21216a55d9468d61b upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 c6fca7e..a88d365 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -3947,8 +3947,12 @@ 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); |