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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/arch/x86/pci/amd_bus.c
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@@ -93,7 +93,8 @@
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 		vendor = id & 0xffff;
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 		device = (id>>16) & 0xffff;
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-		if (vendor != PCI_VENDOR_ID_AMD)
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+		if (vendor != PCI_VENDOR_ID_AMD &&
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+		    vendor != PCI_VENDOR_ID_HYGON)
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 			continue;
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 		if (hb_probes[i].device == device) {
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@@ -390,7 +391,8 @@
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 static int __init amd_postcore_init(void)
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 {
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-	if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD)
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+	if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD &&
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+	    boot_cpu_data.x86_vendor != X86_VENDOR_HYGON)
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 		return 0;
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 	early_root_info_init();