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>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index a081dda..7a4b101 100644 (file)
--- 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;
        }

diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h
index 713aec9..aec38fc 100644 (file)
--- a/drivers/gpu/drm/amd/include/cgs_common.h
+++ b/drivers/gpu/drm/amd/include/cgs_common.h
@@ -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,
 };