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@xxxxxxx>
---
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
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 744c84f3029f..c1dcbbd88464 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
@@ -2229,7 +2229,15 @@ 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;
@@ -2239,6 +2247,7 @@ 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 =
--
2.42.0
