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drm/amdgpu: get number of shade engine by cgs interface.

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the num of shade engine was needed to
measure the activity of the graphics core
and to enable di/dt feature.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2016-06-07 20:15:24 +08:00 committed by Alex Deucher
parent 33b7ed0122
commit d826c982d7
2 changed files with 4 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
View File

@ -831,6 +831,9 @@ static int amdgpu_cgs_query_system_info(struct cgs_device *cgs_device,
case CGS_SYSTEM_INFO_GFX_CU_INFO:
sys_info->value = adev->gfx.cu_info.number;
break;
case CGS_SYSTEM_INFO_GFX_SE_INFO:
sys_info->value = adev->gfx.config.max_shader_engines;
break;
default:
return -ENODEV;
}

1
drivers/gpu/drm/amd/include/cgs_common.h
View File

@ -115,6 +115,7 @@ enum cgs_system_info_id {
CGS_SYSTEM_INFO_CG_FLAGS,
CGS_SYSTEM_INFO_PG_FLAGS,
CGS_SYSTEM_INFO_GFX_CU_INFO,
CGS_SYSTEM_INFO_GFX_SE_INFO,
CGS_SYSTEM_INFO_ID_MAXIMUM,
};