From patchwork Wed Aug 15 15:18:06 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Menzel X-Patchwork-Id: 1326001 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork1.kernel.org (Postfix) with ESMTP id CAEE03FC66 for ; Wed, 15 Aug 2012 15:18:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9FE609F50E for ; Wed, 15 Aug 2012 08:18:27 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.gw90.de (mail.gw90.de [188.40.100.199]) by gabe.freedesktop.org (Postfix) with ESMTP id 5A7579E812 for ; Wed, 15 Aug 2012 08:18:17 -0700 (PDT) Received: from e178248075.adsl.alicedsl.de ([85.178.248.75] helo=[192.168.178.20]) by mail.gw90.de with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.69) (envelope-from ) id 1T1fML-0002B1-Uo; Wed, 15 Aug 2012 15:18:14 +0000 Message-ID: <1345043886.4264.19.camel@mattotaupa> Subject: [PATCH] drm: Add EDID_QUIRK_FORCE_REDUCED_BLANKING for LG SL80 From: Paul Menzel To: dri-devel@lists.freedesktop.org Date: Wed, 15 Aug 2012 17:18:06 +0200 X-Mailer: Evolution 3.2.2-1+b1 Mime-Version: 1.0 Cc: Ian Pilcher , stable@vger.kernel.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Date: Wed Aug 15 17:10:51 2012 +0200 Connecting a LG SL80 [1] 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 LG TV. All log files and output from `xrandr` is included in the referenced Bugzilla report #53544. [1] http://www.lg.com/de/tv-heimkino-blu-ray/tv/LG-lcd-tv-42SL8000.jsp [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=53544 Signed-off-by: Paul Menzel Cc: Cc: Adam Jackson Cc: Ian Pilcher Cc: --- Same as in previous patch: Ian, I did not base this patch on your series, to make it easier to get back ported. I can easily rebase it though, so hopefully some maintainer can tell me what to do. --- 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 eb452e6..75e252e 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -94,6 +94,9 @@ static struct edid_quirk { /* Unknown Acer */ { "ACR", 2423, EDID_QUIRK_FIRST_DETAILED_PREFERRED }, + /* LG SL80 */ + { "GSM", 1, EDID_QUIRK_FORCE_REDUCED_BLANKING }, + /* Belinea 10 15 55 */ { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 }, { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },