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drm/amdgpu: implement smuio callback to query socket id 

get_socket_id is used to query socket id

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: John Clements <John.Clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2021-04-23 14:37:10 +08:00 committed by Alex Deucher
parent ec0f72cb95
commit dfdd4b8a95
2 changed files with 19 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu_smuio.h
View File

@ -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);
};

18
drivers/gpu/drm/amd/amdgpu/smuio_v13_0.c
View File

@ -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,