From: Greg KH gregkh@linuxfoundation.org

3.5-stable review patch. If anyone has any objections, please let me know.

------------------

From: Paul Menzel paulepanter@users.sourceforge.net

commit 6f33814bd4d9cfe76033a31b1c0c76c960cd8e4b upstream.

Connecting an ASUS VW222S [1] over VGA a garbled screen is shown with vertical stripes in the top half.

In commit bc42aabc [2]

commit bc42aabc6a01b92b0f961d65671564e0e1cd7592 Author: Adam Jackson ajax@redhat.com Date: Wed May 23 16:26:54 2012 -0400

drm/edid/quirks: ViewSonic VA2026w

Adam Jackson added the quirk `EDID_QUIRK_FORCE_REDUCED_BLANKING` which is also needed for this ASUS monitor.

All log files and output from `xrandr` is included in the referenced Bugzilla report #17629.

Please note that this monitor only has a VGA (D-Sub) connector [1].

[1] http://www.asus.com/Display/LCD_Monitors/VW222S/ [2] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=bc42...

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=17629 Signed-off-by: Paul Menzel paulepanter@users.sourceforge.net Cc: dri-devel@lists.freedesktop.org Cc: Adam Jackson ajax@redhat.com Cc: Ian Pilcher arequipeno@gmail.com Signed-off-by: Dave Airlie airlied@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

--- drivers/gpu/drm/drm_edid.c | 3 +++ 1 file changed, 3 insertions(+)

--- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -87,6 +87,9 @@ static struct edid_quirk { int product_id; u32 quirks; } edid_quirk_list[] = { + /* ASUS VW222S */ + { "ACI", 0x22a2, EDID_QUIRK_FORCE_REDUCED_BLANKING }, + /* Acer AL1706 */ { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 }, /* Acer F51 */