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drm/amd/pm: Allow setting soft max frequency in VF

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Setting soft max frequency for MCLK is allowed in 1VF mode in SMUv13.0.6
SOCs.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2024-04-02 09:07:54 +05:30 committed by Alex Deucher
parent 339126b529
commit 19407237e7
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
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@ -138,7 +138,7 @@ static const struct cmn2asic_msg_mapping smu_v13_0_6_message_map[SMU_MSG_MAX_COU
MSG_MAP(SetToolsDramAddrHigh, PPSMC_MSG_SetToolsDramAddrHigh, 0),
MSG_MAP(SetToolsDramAddrLow, PPSMC_MSG_SetToolsDramAddrLow, 0),
MSG_MAP(SetSoftMinByFreq, PPSMC_MSG_SetSoftMinByFreq, 0),
MSG_MAP(SetSoftMaxByFreq, PPSMC_MSG_SetSoftMaxByFreq, 0),
MSG_MAP(SetSoftMaxByFreq, PPSMC_MSG_SetSoftMaxByFreq, 1),
MSG_MAP(GetMinDpmFreq, PPSMC_MSG_GetMinDpmFreq, 1),
MSG_MAP(GetMaxDpmFreq, PPSMC_MSG_GetMaxDpmFreq, 1),
MSG_MAP(GetDpmFreqByIndex, PPSMC_MSG_GetDpmFreqByIndex, 1),
@ -1676,6 +1676,11 @@ static int smu_v13_0_6_set_soft_freq_limited_range(struct smu_context *smu,
if (clk_type == SMU_UCLK) {
if (max == pstate_table->uclk_pstate.curr.max)
return 0;
/* For VF, only allowed in FW versions 85.102 or greater */
if (amdgpu_sriov_vf(adev) &&
((smu->smc_fw_version < 0x556600) ||
(adev->flags & AMD_IS_APU)))
return -EOPNOTSUPP;
/* Only max clock limiting is allowed for UCLK */
ret = smu_v13_0_set_soft_freq_limited_range(
smu, SMU_UCLK, 0, max);