[PATCH] accel/ivpu: Fix Qemu crash when running in passthrough

[Jacek Lawrynowicz]

Applied to drm-misc-next

On 11/6/2024 11:55 AM, Jacek Lawrynowicz wrote:
> Restore PCI state after putting the NPU in D0.
> Restoring state before powering up the device caused a Qemu crash
> if NPU was running in passthrough mode and recovery was performed.
> 
> Fixes: 3534eacbf101 ("accel/ivpu: Fix PCI D0 state entry in resume")
> Cc: <stable at vger.kernel.org> # v6.8+
> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz at linux.intel.com>
> Reviewed-by: Karol Wachowski <karol.wachowski at linux.intel.com>
> ---
>  drivers/accel/ivpu/ivpu_pm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c
> index 59d3170f5e354..5aac3d64045d3 100644
> --- a/drivers/accel/ivpu/ivpu_pm.c
> +++ b/drivers/accel/ivpu/ivpu_pm.c
> @@ -73,8 +73,8 @@ static int ivpu_resume(struct ivpu_device *vdev)
>  	int ret;
>  
>  retry:
> -	pci_restore_state(to_pci_dev(vdev->drm.dev));
>  	pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D0);
> +	pci_restore_state(to_pci_dev(vdev->drm.dev));
>  
>  	ret = ivpu_hw_power_up(vdev);
>  	if (ret) {