From 345f1f9cea2fda5e2444fdcbc620487fca7033df Mon Sep 17 00:00:00 2001 From: Paul Menzel Date: Wed, 8 Aug 2012 23:12:19 +0200 Subject: [PATCH] drm: Add EDID_QUIRK_FORCE_REDUCED_BLANKING for ASUS VW222S 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 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 Cc: Cc: Adam Jackson Cc: Ian Pilcher Signed-off-by: Dave Airlie Signed-off-by: Greg Kroah-Hartman --- 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 a8743c399e83..b7ee230572b7 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 */ -- 2.39.5