diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2015-11-11 20:58:55 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-12-21 16:42:33 -0500 |
| commit | 834b694cc37890b8ac5437115994dac3a2f48725 (patch) | |
| tree | 2a17f91f3e8de24309a62fb8b49f764e1fc718b0 | |
| parent | cfd316d59e203985699495147a973ba058ff5478 (diff) | |
| download | linux-834b694cc37890b8ac5437115994dac3a2f48725.tar.bz2 | |
drm/amdgpu/powerplay/tonga: query supported pcie info from cgs (v2)
Rather than hardcode it.
v2: integrate spc fix from Rex
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c index 9442313d7557..bed50e6ca82c 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c @@ -4559,14 +4559,30 @@ int tonga_hwmgr_backend_init(struct pp_hwmgr *hwmgr) data->vddc_phase_shed_control = 0; if (0 == result) { + struct cgs_system_info sys_info = {0}; + data->is_tlu_enabled = 0; hwmgr->platform_descriptor.hardwareActivityPerformanceLevels = TONGA_MAX_HARDWARE_POWERLEVELS; hwmgr->platform_descriptor.hardwarePerformanceLevels = 2; hwmgr->platform_descriptor.minimumClocksReductionPercentage = 50; - data->pcie_gen_cap = 0x30007; - data->pcie_lane_cap = 0x2f0000; + sys_info.size = sizeof(struct cgs_system_info); + sys_info.info_id = CGS_SYSTEM_INFO_PCIE_GEN_INFO; + result = cgs_query_system_info(hwmgr->device, &sys_info); + if (result) + data->pcie_gen_cap = 0x30007; + else + data->pcie_gen_cap = (uint32_t)sys_info.value; + if (data->pcie_gen_cap & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) + data->pcie_spc_cap = 20; + sys_info.size = sizeof(struct cgs_system_info); + sys_info.info_id = CGS_SYSTEM_INFO_PCIE_MLW; + result = cgs_query_system_info(hwmgr->device, &sys_info); + if (result) + data->pcie_lane_cap = 0x2f0000; + else + data->pcie_lane_cap = (uint32_t)sys_info.value; } else { /* Ignore return value in here, we are cleaning up a mess. */ tonga_hwmgr_backend_fini(hwmgr); |