D49388.1786300887.diff
No OneTemporary
Actions

Size

854 B

Referenced Files

None

Subscribers

None

D49388.1786300887.diff
View Options

	diff --git a/sys/compat/linuxkpi/common/include/linux/pci.h b/sys/compat/linuxkpi/common/include/linux/pci.h
	--- a/sys/compat/linuxkpi/common/include/linux/pci.h
	+++ b/sys/compat/linuxkpi/common/include/linux/pci.h
	@@ -523,7 +523,20 @@
	if (pdev == pdev->bus->self) {
	device_t bridge;

	- bridge = device_get_parent(pdev->dev.bsddev);
	+ /*
	+ * In the case of DRM drivers, the passed device is a child of
	+ * `vgapci`. We want to start the lookup from `vgapci`, so the
	+ * parent of the passed `drmn`.
	+ *
	+ * We can use the `isdrm` flag to determine this.
	+ */
	+ bridge = pdev->dev.bsddev;
	+ if (pdev->pdrv != NULL && pdev->pdrv->isdrm)
	+ bridge = device_get_parent(bridge);
	+ if (bridge == NULL)
	+ goto done;
	+
	+ bridge = device_get_parent(bridge);
	if (bridge == NULL)
	goto done;
	bridge = device_get_parent(bridge);