From 95c5ee13242afde54e85f3042bab85204a1da248 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 11 Nov 2015 20:35:32 -0500 Subject: [PATCH 0086/1110] drm/amdgpu/cgs: add sys info query for pcie gen and link width Needed by powerplay to properly handle pcie dpm switching. Reviewed-by: Jammy Zhou Signed-off-by: Alex Deucher --- 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 a611401..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, }; -- 2.7.4