From: Evan Quan Date: Fri, 24 Apr 2020 07:36:22 +0000 (+0800) Subject: drm/amdgpu: drop redundant cg/pg ungate on runpm enter X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f7b52890daba570bc8162d43c96b5583bbdd4edd;p=linux.git drm/amdgpu: drop redundant cg/pg ungate on runpm enter 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 Acked-by: Alex Deucher Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 957d4872a8557..affde2de2a0db 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3372,9 +3372,6 @@ int amdgpu_device_suspend(struct drm_device *dev, 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);