Commit 69d5436d authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: add asic callback for BACO support 



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: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 30b2c0ca

drivers/gpu/drm/amd/amdgpu/amdgpu.h

+4 −0
Original line number Diff line number Diff line
@@ -589,6 +589,8 @@ 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);

};



/*
@@ -1120,6 +1122,8 @@ 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 */