Commit dfdd4b8a authored by Hawking Zhang's avatar Hawking Zhang Committed by Alex Deucher
Browse files

drm/amdgpu: implement smuio callback to query socket id 



get_socket_id is used to query socket id

Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarJohn Clements <John.Clements@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ec0f72cb

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

+1 −0
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ struct amdgpu_smuio_funcs { 
	void (*update_rom_clock_gating)(struct amdgpu_device *adev, bool enable);

	void (*get_clock_gating_state)(struct amdgpu_device *adev, u32 *flags);

	u32 (*get_die_id)(struct amdgpu_device *adev);

	u32 (*get_socket_id)(struct amdgpu_device *adev);

	bool (*is_host_gpu_xgmi_supported)(struct amdgpu_device *adev);

};

drivers/gpu/drm/amd/amdgpu/smuio_v13_0.c

+18 −0
Original line number Diff line number Diff line
@@ -88,6 +88,23 @@ static u32 smuio_v13_0_get_die_id(struct amdgpu_device *adev) 
	return die_id;

}



/**

 * smuio_v13_0_get_socket_id - query socket id from FCH

 *

 * @adev: amdgpu device pointer

 *

 * Returns socket id

 */

static u32 smuio_v13_0_get_socket_id(struct amdgpu_device *adev)

{

	u32 data, socket_id;



	data = RREG32_SOC15(SMUIO, 0, regSMUIO_MCM_CONFIG);

	socket_id = REG_GET_FIELD(data, SMUIO_MCM_CONFIG, SOCKET_ID);



	return socket_id;

}



/**

 * smuio_v13_0_supports_host_gpu_xgmi - detect xgmi interface between cpu and gpu/s.

 *
@@ -115,6 +132,7 @@ const struct amdgpu_smuio_funcs smuio_v13_0_funcs = { 
	.get_rom_index_offset = smuio_v13_0_get_rom_index_offset,

	.get_rom_data_offset = smuio_v13_0_get_rom_data_offset,

	.get_die_id = smuio_v13_0_get_die_id,

	.get_socket_id = smuio_v13_0_get_socket_id,

	.is_host_gpu_xgmi_supported = smuio_v13_0_is_host_gpu_xgmi_supported,

	.update_rom_clock_gating = smuio_v13_0_update_rom_clock_gating,

	.get_clock_gating_state = smuio_v13_0_get_clock_gating_state,