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drm/amd/pm: Fetch SMUv13.0.6 xgmi max speed/width

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On SMUv13.0.6 SOCs, fetch the max values of xgmi speed/width from
firmware.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2025-06-13 18:04:51 +05:30 committed by Alex Deucher
parent 0180e0a5dd
commit e01bf27042
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
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@ -805,6 +805,8 @@ static int smu_v13_0_6_setup_driver_pptable(struct smu_context *smu)
int version = smu_v13_0_6_get_metrics_version(smu);
int ret, i, retry = 100;
uint32_t table_version;
uint16_t max_speed;
uint8_t max_width;
if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 12) &&
smu_v13_0_6_cap_supported(smu, SMU_CAP(STATIC_METRICS)))
@ -840,6 +842,9 @@ static int smu_v13_0_6_setup_driver_pptable(struct smu_context *smu)
SMUQ10_ROUND(GET_METRIC_FIELD(MaxGfxclkFrequency, version));
pptable->MinGfxclkFrequency =
SMUQ10_ROUND(GET_METRIC_FIELD(MinGfxclkFrequency, version));
max_width = (uint8_t)GET_METRIC_FIELD(XgmiWidth, version);
max_speed = (uint16_t)GET_METRIC_FIELD(XgmiBitrate, version);
amgpu_xgmi_set_max_speed_width(smu->adev, max_speed, max_width);
for (i = 0; i < 4; ++i) {
pptable->FclkFrequencyTable[i] =