BACO - Bus Active, Chip Off
Used to check whether the device supports BACO. This will be used to enable runtime pm on devices which support BACO.
Reviewed-by: Evan Quan evan.quan@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 4eac1549d4de..d951907980b1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -591,6 +591,8 @@ struct amdgpu_asic_funcs { bool (*need_reset_on_init)(struct amdgpu_device *adev); /* PCIe replay counter */ uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev); + /* device supports BACO */ + bool (*supports_baco)(struct amdgpu_device *adev); };
/* @@ -1121,6 +1123,8 @@ int emu_soc_asic_init(struct amdgpu_device *adev); #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1))) #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev)) #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev))) +#define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev)) + #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
/* Common functions */