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drm/amd/pm: init plpd_mode properly for different asics

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Assign DEFAULT mode if it supports plpd, otherwise keeps NONE

v2: reduce ip version checks

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Le Ma 2023-09-20 11:16:39 +08:00 committed by Alex Deucher
parent 3a41a3982b
commit 6ec2f5cd45
1 changed files with 17 additions and 0 deletions
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17
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
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@ -1130,6 +1130,21 @@ static void smu_swctf_delayed_work_handler(struct work_struct *work)
orderly_poweroff(true);
}
static void smu_init_xgmi_plpd_mode(struct smu_context *smu)
{
if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(11, 0, 2)) {
smu->plpd_mode = XGMI_PLPD_DEFAULT;
return;
}
/* PMFW put PLPD into default policy after enabling the feature */
if (smu_feature_is_enabled(smu,
SMU_FEATURE_XGMI_PER_LINK_PWR_DWN_BIT))
smu->plpd_mode = XGMI_PLPD_DEFAULT;
else
smu->plpd_mode = XGMI_PLPD_NONE;
}
static int smu_sw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@ -1361,6 +1376,8 @@ static int smu_smc_hw_setup(struct smu_context *smu)
return ret;
}
smu_init_xgmi_plpd_mode(smu);
ret = smu_feature_get_enabled_mask(smu, &features_supported);
if (ret) {
dev_err(adev->dev, "Failed to retrieve supported dpm features!\n");