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drm/amdgpu: add a cgs interface to fetch cg and pg flags 

Needed to pass the cg and pg info to powerplay.

Reviewed-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-02-05 10:34:28 -05:00
parent f997e6f213
commit 08d3340876
2 changed files with 8 additions and 0 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
View File

@ -795,6 +795,12 @@ static int amdgpu_cgs_query_system_info(void *cgs_device,
case CGS_SYSTEM_INFO_PCIE_MLW:
sys_info->value = adev->pm.pcie_mlw_mask;
break;
case CGS_SYSTEM_INFO_CG_FLAGS:
sys_info->value = adev->cg_flags;
break;
case CGS_SYSTEM_INFO_PG_FLAGS:
sys_info->value = adev->pg_flags;
break;
default:
return -ENODEV;
}

2
drivers/gpu/drm/amd/include/cgs_common.h
View File

@ -109,6 +109,8 @@ enum cgs_system_info_id {
CGS_SYSTEM_INFO_ADAPTER_BDF_ID = 1,
CGS_SYSTEM_INFO_PCIE_GEN_INFO,
CGS_SYSTEM_INFO_PCIE_MLW,
CGS_SYSTEM_INFO_CG_FLAGS,
CGS_SYSTEM_INFO_PG_FLAGS,
CGS_SYSTEM_INFO_ID_MAXIMUM,
};