[PATCH 32/52] drm/amd/amdgpu: add query GFX cu info in CGS query system info

[Alex Deucher]

Needed for per CU powergating.

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Acked-by: Christian König <christian.koenig at amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c  | 5 +++++
 drivers/gpu/drm/amd/include/cgs_common.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index bd4571c..08c1e6d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -791,6 +791,7 @@ static int amdgpu_cgs_query_system_info(void *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(void *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;
 	}
diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h
index 2cd427a..58c0cef 100644
--- a/drivers/gpu/drm/amd/include/cgs_common.h
+++ b/drivers/gpu/drm/amd/include/cgs_common.h
@@ -112,6 +112,7 @@ 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,
 };
 
-- 
2.5.0