diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2015-11-11 20:35:32 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-12-21 16:42:32 -0500 |
| commit | cfd316d59e203985699495147a973ba058ff5478 (patch) | |
| tree | 723014b7292515c07955d1b7908d4f7ea12e8d78 /drivers | |
| parent | d0dd7f0cc345fc8757148004639e1993ba183bd6 (diff) | |
| download | linux-cfd316d59e203985699495147a973ba058ff5478.tar.bz2 | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/include/cgs_common.h | 2 |
2 files changed, 8 insertions, 0 deletions
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, }; |