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drm/amd/powerplay: Disable gfx CGPG when suspend smu

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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>
This commit is contained in:
chen gong 2019-10-25 18:51:23 +08:00 committed by Alex Deucher
parent 847a75fb9e
commit f509be1840
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
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@ -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;
}