Needed by powerplay to properly handle pcie dpm switching.
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 6 ++++++
drivers/gpu/drm/amd/include/cgs_common.h | 2 ++
2 files changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index a611401a..6fa0fea 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -754,6 +754,12 @@ static int amdgpu_cgs_query_system_info(void *cgs_device,
case CGS_SYSTEM_INFO_ADAPTER_BDF_ID:
sys_info->value = adev->pdev->devfn | (adev->pdev->bus->number
<< 8);
break;
+ case CGS_SYSTEM_INFO_PCIE_GEN_INFO:
+ sys_info->value = adev->pm.pcie_gen_mask;
+ break;
+ case CGS_SYSTEM_INFO_PCIE_MLW:
+ sys_info->value = adev->pm.pcie_mlw_mask;
+ 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 2bbffd1..03affb3 100644
--- a/drivers/gpu/drm/amd/include/cgs_common.h
+++ b/drivers/gpu/drm/amd/include/cgs_common.h
@@ -107,6 +107,8 @@ enum cgs_ucode_id {
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_ID_MAXIMUM,
};
--
1.8.3.1
