From c9d40ae2d8d4d3786355d24eeeedf341c10d3cf2 Mon Sep 17 00:00:00 2001
From: Xiaojian Du <Xiaojian.Du@amd.com>
Date: Wed, 27 Jul 2022 14:40:21 +0800
Subject: drm/amdgpu: send msg to IMU for the front-door loading
Git-commit: b834fc94c102eef751ff741aa0d9b814d0a81af1
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849
This patch will make SMU send msg to IMU for the front-door loading, it is
required by some ASICs.
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Xiaojian Du <Xiaojian.Du@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 6d9b3c6af164..7510d470b864 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -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);
--
2.38.1