drm/amd: Unify shutdown() callback behavior

[Why]
The shutdown() callback uses amdgpu_ip_suspend() which doesn't notify
drm clients during shutdown.  This could lead to hangs.

[How]
Change amdgpu_pci_shutdown() to call the same sequence as suspend/resume.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 7eac510c2d6ff08e159e2316101e82bb35dc3cb1..a36e15beafeb9c8876c24c1158655c928a9787df 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -2558,7 +2558,8 @@ amdgpu_pci_shutdown(struct pci_dev *pdev)
         */
        if (!amdgpu_passthrough(adev))
                adev->mp1_state = PP_MP1_STATE_UNLOAD;
-       amdgpu_device_ip_suspend(adev);
+       amdgpu_device_prepare(dev);
+       amdgpu_device_suspend(dev, true);
        adev->mp1_state = PP_MP1_STATE_NONE;
 }