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drm/amdgpu: support ASPM for some specific ASIC

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Support to program ASPM and LTR for Sienna Cichlid and forward ASIC.
Disable ASPM for Sienna Cichlid and forward ASIC by default.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Likun Gao
2021-02-01 14:44:09 +08:00
committed by Alex Deucher
parent 680602d6c2
commit e1edaeafeb
3 changed files with 124 additions and 6 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
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@@ -88,6 +88,7 @@ struct amdgpu_nbio_funcs {
int (*ras_late_init)(struct amdgpu_device *adev);
void (*enable_aspm)(struct amdgpu_device *adev,
bool enable);
void (*program_aspm)(struct amdgpu_device *adev);
};
struct amdgpu_nbio {