On 2020 Apr 13, Prike Liang wrote:
> Unify set device CGPG to ungate state before enter poweroff or reset.
>
> Signed-off-by: Prike Liang <Prike.Liang@xxxxxxx>
> Tested-by: Mengbing Wang <Mengbing.Wang@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index 87f7c12..bbe090a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -2413,6 +2413,8 @@ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev)
> {
> int i, r;
>
> + amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE);
> + amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE);
>
> for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
> if (!adev->ip_blocks[i].status.valid)
> --
> 2.7.4
>
I can confirm that this fixes the shutdown/reboot hang on my raven.
--
Regards,
Johannes Hirte
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