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List:       git-commits-head
Subject:    drm: Add EDID_QUIRK_FORCE_REDUCED_BLANKING for ASUS VW222S
From:       "Linux Kernel Mailing List" <linux-kernel () vger ! kernel ! org>
Date:       2012-08-30 16:14:34
Message-ID: 20120830161434.A00E0340342 () ra ! kernel ! org
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Gitweb:     http://git.kernel.org/linus/;a=commit;h=6f33814bd4d9cfe76033a31b1c0c76c960cd8e4b
                
Commit:     6f33814bd4d9cfe76033a31b1c0c76c960cd8e4b
Parent:     c1b51124b6d3b2235d00129e2971686e6185ba52
Author:     Paul Menzel <paulepanter@users.sourceforge.net>
AuthorDate: Wed Aug 8 23:12:19 2012 +0200
Committer:  Dave Airlie <airlied@redhat.com>
CommitDate: Thu Aug 30 14:14:12 2012 +1000

    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 |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

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 */
--
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