From: Dave Jones <davej@redhat.com>
Date: Wed, 4 Jan 2012 16:30:52 +0000 (-0500)
Subject: PCI: Add Thinkpad SL510 to pci=nocrs blacklist
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8b6a5af92c03b363df050da906480085b6cd6e00;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

PCI: Add Thinkpad SL510 to pci=nocrs blacklist

Enabling CRS by default breaks suspend on the Thinkpad SL510.
Details in https://bugzilla.redhat.com/show_bug.cgi?id=769657

Reported-by: Stefan Kirrmann <stefan.kirrmann@gmail.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---

diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 0d9329f203e9..e662ceebd798 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -73,6 +73,16 @@ static const struct dmi_system_id pci_use_crs_table[] __initconst = {
 			DMI_MATCH(DMI_BIOS_VERSION, "A09"),
 		},
 	},
+	/* https://bugzilla.redhat.com/show_bug.cgi?id=769657 */
+	{
+		.callback = set_nouse_crs,
+		.ident = "Thinkpad SL510",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_BOARD_NAME, "2847DFG"),
+			DMI_MATCH(DMI_BIOS_VERSION, "6JET85WW (1.43 )"),
+		},
+	},
 	{}
 };