Commit 6ec2f5cd authored by Le Ma's avatar Le Ma Committed by Alex Deucher
Browse files

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



Assign DEFAULT mode if it supports plpd, otherwise keeps NONE

v2: reduce ip version checks

Signed-off-by: default avatarLe Ma <le.ma@amd.com>
Reviewed-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3a41a398

drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c

+17 −0
Original line number Diff line number Diff line
@@ -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");