From: Alex Deucher Date: Thu, 12 Nov 2015 01:35:32 +0000 (-0500) Subject: drm/amdgpu/cgs: add sys info query for pcie gen and link width X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=cfd316d59e203985699495147a973ba058ff5478;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git 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 --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index a611401a29d5..6fa0feac27f8 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 2bbffd1191bd..03affb348f69 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, };