From f509be184052e9279940dbcd02b0f8ac15b426ca Mon Sep 17 00:00:00 2001
From: chen gong <curry.gong@amd.com>
Date: Fri, 25 Oct 2019 18:51:23 +0800
Subject: drm/amd/powerplay: Disable gfx CGPG when suspend smu
Git-commit: f509be184052e9279940dbcd02b0f8ac15b426ca
Patch-mainline: v5.5-rc1
References: bsc#1152472
if no disable gfx CGPG when suspend smu, enabling gfx CGPG will fail when resume smu.
Platform: Renoir
dmesg log information:
[ 151.844110 ] amdgpu: [powerplay] SMU is resuming...
[ 151.844116 ] amdgpu: [powerplay] dpm has been disabled
[ 151.844604 ] amdgpu: [powerplay] Failed to send message 0x2f,response 0xfffffffb param 0x1
[ 151.844605 ] amdgpu: [powerplay] SMU is resumed successfully!
Signed-off-by: chen gong <curry.gong@amd.com>
Acked-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 26923aa5aea1..4e468b0272c3 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -1351,6 +1351,8 @@ static int smu_suspend(void *handle)
if (adev->asic_type >= CHIP_NAVI10 &&
adev->gfx.rlc.funcs->stop)
adev->gfx.rlc.funcs->stop(adev);
+ if (smu->is_apu)
+ smu_set_gfx_cgpg(&adev->smu, false);
return 0;
}
--
2.28.0