PCI: Mark Px210 PCI-E Extended Tags as broken

Per PCIe r3.1, sec 2.2.6.2 and 7.8.4, a Requester may not use 8-bit
Tags unless its Extended Tag Field Enable is set, but all
Receivers/Completers must handle 8-bit Tags correctly regardless of
their Extended Tag Field Enable.

Phytium Px210 chipset has some issues with 8-bit Tags enabled when
doing DMA operations, add this quirk to disable Extended Tags for
the entire hierarchy to avoid the problem.

Signed-off-by: Liu Tao <[email protected]>
Signed-off-by: Chen Baozi <[email protected]>
Signed-off-by: Wang Yinfeng <[email protected]>
Signed-off-by: Wang Zhimin <[email protected]>
Signed-off-by: wangzhimin1179 <[email protected]>

drivers/pci/quirks.c

@@ -5535,6 +5535,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0142, quirk_no_ext_tags);
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0144, quirk_no_ext_tags);
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0420, quirk_no_ext_tags);
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0422, quirk_no_ext_tags);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PHYTIUM, 0xdc3a, quirk_no_ext_tags);
 
 #ifdef CONFIG_PCI_ATS
 static void quirk_no_ats(struct pci_dev *pdev)