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drm/amd/amdgpu: add query GFX cu info in CGS query system info

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Needed for per CU powergating.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Huang 2016-03-17 18:29:08 -04:00 committed by Alex Deucher
parent 8fe3d33307
commit bacec8985f
2 changed files with 6 additions and 0 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
View file

@ -791,6 +791,7 @@ static int amdgpu_cgs_query_system_info(struct cgs_device *cgs_device,
struct cgs_system_info *sys_info)
{
CGS_FUNC_ADEV;
struct amdgpu_cu_info cu_info;
if (NULL == sys_info)
return -ENODEV;
@ -814,6 +815,10 @@ static int amdgpu_cgs_query_system_info(struct cgs_device *cgs_device,
case CGS_SYSTEM_INFO_PG_FLAGS:
sys_info->value = adev->pg_flags;
break;
case CGS_SYSTEM_INFO_GFX_CU_INFO:
amdgpu_asic_get_cu_info(adev, &cu_info);
sys_info->value = cu_info.number;
break;
default:
return -ENODEV;
}

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

@ -114,6 +114,7 @@ enum cgs_system_info_id {
CGS_SYSTEM_INFO_PCIE_MLW,
CGS_SYSTEM_INFO_CG_FLAGS,
CGS_SYSTEM_INFO_PG_FLAGS,
CGS_SYSTEM_INFO_GFX_CU_INFO,
CGS_SYSTEM_INFO_ID_MAXIMUM,
};