diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0086-drm-amdgpu-cgs-add-sys-info-query-for-pcie-gen-and-l.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0086-drm-amdgpu-cgs-add-sys-info-query-for-pcie-gen-and-l.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0086-drm-amdgpu-cgs-add-sys-info-query-for-pcie-gen-and-l.patch b/common/recipes-kernel/linux/files/0086-drm-amdgpu-cgs-add-sys-info-query-for-pcie-gen-and-l.patch new file mode 100644 index 00000000..0296d7a8 --- /dev/null +++ b/common/recipes-kernel/linux/files/0086-drm-amdgpu-cgs-add-sys-info-query-for-pcie-gen-and-l.patch @@ -0,0 +1,48 @@ +From 95c5ee13242afde54e85f3042bab85204a1da248 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +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 <Jammy.Zhou@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@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 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 + |