--- sys/dev/pci/pci.c.orig	2017-10-24 14:01:34.904904000 +0100
+++ sys/dev/pci/pci.c	2017-10-24 15:51:13.338768000 +0100
@@ -221,6 +221,7 @@
 #define	PCI_QUIRK_UNMAP_REG	4 /* Ignore PCI map register */
 #define	PCI_QUIRK_DISABLE_MSIX	5 /* MSI-X doesn't work */
 #define	PCI_QUIRK_MSI_INTX_BUG	6 /* PCIM_CMD_INTxDIS disables MSI */
+#define	PCI_QUIRK_NEED_REALLOC_BAR	7 /* Can't allocate memory at the default address */
 	int	arg1;
 	int	arg2;
 };
@@ -302,6 +303,12 @@
 	{ 0x167814e4, PCI_QUIRK_MSI_INTX_BUG,	0,	0 }, /* BCM5715 */
 	{ 0x167914e4, PCI_QUIRK_MSI_INTX_BUG,	0,	0 }, /* BCM5715S */
 
+	/*
+	 * HPE Gen 10 VGA has a memory range that can't be allocated in the
+	 * expected place.
+	 */
+	{ 0x98741002, PCI_QUIRK_NEED_REALLOC_BAR,	0, 	0 },
+
 	{ 0 }
 };
 
@@ -3160,7 +3167,8 @@
 	 */
 	res = resource_list_reserve(rl, bus, dev, type, &reg, start, end, count,
 	    flags);
-	if (pci_do_realloc_bars && res == NULL && (start != 0 || end != ~0)) {
+	if ((pci_do_realloc_bars || pci_has_quirk(pci_get_devid(dev), PCI_QUIRK_NEED_REALLOC_BAR))
+			&& res == NULL && (start != 0 || end != ~0)) {
 		/*
 		 * If the allocation fails, try to allocate a resource for
 		 * this BAR using any available range.  The firmware felt