tmakin/tegra-linux-noble
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

accel/ivpu: Fix Qemu crash when running in passthrough

Browse Source 
BugLink: https://bugs.launchpad.net/bugs/2114239

commit 901dd2617c9c3554b2449c8844b6338009112fcf upstream.

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@vger.kernel.org # v6.8+
Reviewed-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241106105549.2757115-1-jacek.lawrynowicz@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Noah Wager <noah.wager@canonical.com>
Signed-off-by: Mehmet Basaran <mehmet.basaran@canonical.com>
This commit is contained in:
Jacek Lawrynowicz
2024-11-06 11:55:49 +01:00
committed by Mehmet Basaran
parent c21737bbff
commit 316f2aa0c7
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/accel/ivpu/ivpu_pm.c
+1 -1
View File
@@ -72,8 +72,8 @@ 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) {