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drm/amdgpu: drop redundant cg/pg ungate on runpm enter

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[ Upstream commit f7b52890daba570bc8162d43c96b5583bbdd4edd ]

CG/PG ungate is already performed in ip_suspend_phase1. Otherwise,
the CG/PG ungate will be performed twice. That will cause gfxoff
disablement is performed twice also on runpm enter while gfxoff
enablemnt once on rump exit. That will put gfxoff into disabled
state.

Fixes: b2a7e9735ab286 ("drm/amdgpu: fix the hw hang during perform system reboot and reset")
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Evan Quan 2020-04-24 15:36:22 +08:00 • committed by Greg Kroah-Hartman
commit f4d20b01ea
1 changed files with 0 additions and 3 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -3070,9 +3070,6 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon)
}
}
amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE);
amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE);
amdgpu_ras_suspend(adev);
r = amdgpu_device_ip_suspend_phase1(adev);