Commit 901dd261 authored by Jacek Lawrynowicz's avatar Jacek Lawrynowicz
Browse files

accel/ivpu: Fix Qemu crash when running in passthrough 



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: 3534eacb ("accel/ivpu: Fix PCI D0 state entry in resume")
Cc: stable@vger.kernel.org # v6.8+
Reviewed-by: default avatarKarol Wachowski <karol.wachowski@linux.intel.com>
Signed-off-by: default avatarJacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241106105549.2757115-1-jacek.lawrynowicz@linux.intel.com
parent 17558f97

drivers/accel/ivpu/ivpu_pm.c

+1 −1
Original line number Diff line number Diff line
@@ -78,8 +78,8 @@ 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) {