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>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index a081dda9fa2f..7a4b101e10c6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -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;
         }