| From 1baee58638fc58248625255f5c5fcdb987f11b1f Mon Sep 17 00:00:00 2001 |
| From: Dave Airlie <airlied@gmail.com> |
| Date: Fri, 12 Apr 2013 13:25:20 +1000 |
| Subject: udl: handle EDID failure properly. |
| |
| From: Dave Airlie <airlied@gmail.com> |
| |
| commit 1baee58638fc58248625255f5c5fcdb987f11b1f upstream. |
| |
| Don't oops seems proper. |
| |
| Signed-off-by: Dave Airlie <airlied@redhat.com> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| drivers/gpu/drm/udl/udl_connector.c | 4 ++++ |
| 1 file changed, 4 insertions(+) |
| |
| --- a/drivers/gpu/drm/udl/udl_connector.c |
| +++ b/drivers/gpu/drm/udl/udl_connector.c |
| @@ -61,6 +61,10 @@ static int udl_get_modes(struct drm_conn |
| int ret; |
| |
| edid = (struct edid *)udl_get_edid(udl); |
| + if (!edid) { |
| + drm_mode_connector_update_edid_property(connector, NULL); |
| + return 0; |
| + } |
| |
| /* |
| * We only read the main block, but if the monitor reports extension |
