drm: Add EDID_QUIRK_FORCE_REDUCED_BLANKING for ASUS VW222S
authorPaul Menzel <paulepanter@users.sourceforge.net>
Wed, 8 Aug 2012 21:12:19 +0000 (23:12 +0200)
committerDave Airlie <airlied@redhat.com>
Thu, 30 Aug 2012 04:14:12 +0000 (14:14 +1000)
commit6f33814bd4d9cfe76033a31b1c0c76c960cd8e4b
treefed936776a7ae863c985b14d67e68da6f8ddbc74
parentc1b51124b6d3b2235d00129e2971686e6185ba52
drm: Add EDID_QUIRK_FORCE_REDUCED_BLANKING for ASUS VW222S

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=bc42aabc6a01b92b0f961d65671564e0e1cd7592

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>
Cc: <stable@vger.kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/drm_edid.c