drm/i915: Ignore LVDS on hp t5745 and hp st5747 thin client

commit f5b8a7ed upstream.

Add a no_lvds quirk for the HP t5745 and HP st5747 thin clients

dmidecode for those thin clients are attached in thoses bugs:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/911916
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/911920Signed-off-by: Marc Gariepy <mgariepy@ubuntu.com>
Acked-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[bwh: Backported to 3.2: adjust context because these quirk entries aren't
 consistently cc'd to stable and are now being applied out of order]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

drivers/gpu/drm/i915/intel_lvds.c

@@ -739,6 +739,22 @@ static const struct dmi_system_id intel_no_lvds[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "AT5NM10T-I"),
 		},
 	},
+	{
+		.callback = intel_no_lvds_dmi_callback,
+		.ident = "Hewlett-Packard t5745",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_BOARD_NAME, "hp t5745"),
+		},
+	},
+	{
+		.callback = intel_no_lvds_dmi_callback,
+		.ident = "Hewlett-Packard st5747",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_BOARD_NAME, "hp st5747"),
+		},
+	},
 	{
 		.callback = intel_no_lvds_dmi_callback,
 		.ident = "MSI Wind Box DC500",