Commit b834fc94 authored by Xiaojian Du's avatar Xiaojian Du Committed by Alex Deucher
Browse files

drm/amdgpu: send msg to IMU for the front-door loading 



This patch will make SMU send msg to IMU for the front-door loading, it is
required by some ASICs.

Signed-off-by: default avatarYifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: default avatarXiaojian Du <Xiaojian.Du@amd.com>
Reviewed-by: default avatarTim Huang <Tim.Huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent dcfe584b

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

+9 −0
Original line number Diff line number Diff line
@@ -1361,6 +1361,15 @@ static int smu_hw_init(void *handle) 
	}



	if (smu->is_apu) {

		if ((smu->ppt_funcs->set_gfx_power_up_by_imu) &&

				likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {

			ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu);

			if (ret) {

				dev_err(adev->dev, "Failed to Enable gfx imu!\n");

				return ret;

			}

		}



		smu_dpm_set_vcn_enable(smu, true);

		smu_dpm_set_jpeg_enable(smu, true);

		smu_set_gfx_cgpg(smu, true);