From: Asad Kamal Date: Mon, 11 Mar 2024 06:03:10 +0000 (+0800) Subject: drm/amd/pm: Use metric table for pcie speed/width X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f37e5d216e22b397310f1f721e61a86b1b38bad7;p=linux.git drm/amd/pm: Use metric table for pcie speed/width Report pcie link speed/width using metric table in case of one vf & if pmfw support is available, else report directly from registers in case of pf. Skip reporting it for other cases. v2: Skip multi-vf check(Lijo) Signed-off-by: Asad Kamal Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c index 3957af057d54f..4e178916e8454 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c @@ -2228,7 +2228,15 @@ static ssize_t smu_v13_0_6_get_gpu_metrics(struct smu_context *smu, void **table gpu_metrics->gfxclk_lock_status = GET_METRIC_FIELD(GfxLockXCDMak) >> GET_INST(GC, 0); if (!(adev->flags & AMD_IS_APU)) { - if (!amdgpu_sriov_vf(adev)) { + /*Check smu version, PCIE link speed and width will be reported from pmfw metric + * table for both pf & one vf for smu version 85.99.0 or higher else report only + * for pf from registers + */ + if (smu->smc_fw_version >= 0x556300) { + gpu_metrics->pcie_link_width = metrics_x->PCIeLinkWidth; + gpu_metrics->pcie_link_speed = + pcie_gen_to_speed(metrics_x->PCIeLinkSpeed); + } else if (!amdgpu_sriov_vf(adev)) { link_width_level = smu_v13_0_6_get_current_pcie_link_width_level(smu); if (link_width_level > MAX_LINK_WIDTH) link_width_level = 0; @@ -2238,6 +2246,7 @@ static ssize_t smu_v13_0_6_get_gpu_metrics(struct smu_context *smu, void **table gpu_metrics->pcie_link_speed = smu_v13_0_6_get_current_pcie_link_speed(smu); } + gpu_metrics->pcie_bandwidth_acc = SMUQ10_ROUND(metrics_x->PcieBandwidthAcc[0]); gpu_metrics->pcie_bandwidth_inst =