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| author | Nicolai Hähnle <Nicolai.Haehnle@amd.com> | 2016-06-02 12:32:07 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-07-07 14:51:16 -0400 |
| commit | 395d1fb948d98e613ba58a90a28a3049404ec7d4 (patch) | |
| tree | 9181e4108ed189a782623e696c429076d193b5b0 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | f4b373f41cfc96c162c87de2c027dd42d25f9cb4 (diff) | |
| download | linux-395d1fb948d98e613ba58a90a28a3049404ec7d4.tar.gz linux-395d1fb948d98e613ba58a90a28a3049404ec7d4.tar.xz | |
drm/amdgpu: add amdgpu.cg_mask and amdgpu.pg_mask parameters
They allow disabling clock and power gating from the kernel command line,
which hopefully helps with diagnosing problems in the field.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Nicolai Hähnle <Nicolai.Haehnle@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index df0953d3b1ab..83c7aba1a99f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1213,6 +1213,9 @@ static int amdgpu_early_init(struct amdgpu_device *adev) } } + adev->cg_flags &= amdgpu_cg_mask; + adev->pg_flags &= amdgpu_pg_mask; + return 0; } |