3.2-stable review patch. If anyone has any objections, please let me know.
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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: Ben Hutchings ben@decadent.org.uk --- drivers/gpu/drm/drm_edid.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index a8743c3..b7ee230 100644 --- 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 */