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drm/amd/pm: Use metric table for pcie speed/width

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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 <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Asad Kamal 2024-03-11 14:03:10 +08:00 committed by Alex Deucher
parent 96ab4b2ebb
commit f37e5d216e
1 changed files with 10 additions and 1 deletions
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11
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
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@ -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 =