Modified version to apply on 5.1+

fix-vega-reset.patch

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index cc616a5..1a5c04a 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3433,6 +3433,11 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0034, quirk_no_bus_reset);
  * accesses to the child may fail.
  */
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_CAVIUM, 0xa100, quirk_no_bus_reset);
+/*
+ * Radeon RX Vega devices break on bus reset. Oi...
+ */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, 0x687f, quirk_no_bus_reset);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, 0xaaf8, quirk_no_bus_reset);
 
 static void quirk_no_pm_reset(struct pci_dev *dev)
 {