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drm/amdgpu: add amdgpu.cg_mask and amdgpu.pg_mask parameters

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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>
This commit is contained in:
Nicolai Hähnle
2016-06-02 12:32:07 +02:00
committed by Alex Deucher
parent f4b373f41c
commit 395d1fb948
3 changed files with 13 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -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;
}