Assign DEFAULT mode if it supports plpd, otherwise keeps NONE v2: reduce ip version checks
Signed-off-by: Le Ma <[email protected]> --- drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index 893359b26418..1c6b22638bf4 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -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"); -- 2.38.1
