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

commit f5b8a7ed0405d48fd096acce48fbefbed77fb055 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/911920

Signed-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>

diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 8b42354..8c8a242 100644 (file)
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/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",