From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Jackson Subject: [PATCH 3/7] drm/edid: Add detailed block walk for VTB extensions Date: Tue, 3 Aug 2010 14:38:18 -0400 Message-ID: <1280860702-27226-4-git-send-email-ajax@redhat.com> References: <1280860702-27226-1-git-send-email-ajax@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTP id 592CF9EBEF for ; Tue, 3 Aug 2010 11:38:29 -0700 (PDT) Received: from int-mx04.intmail.prod.int.phx2.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.17]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o73IcSAD005611 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 3 Aug 2010 14:38:28 -0400 Received: from ihatethathostname.lab.bos.redhat.com (ihatethathostname.lab.bos.redhat.com [10.16.43.238]) by int-mx04.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o73IcQxg026670 for ; Tue, 3 Aug 2010 14:38:27 -0400 In-Reply-To: <1280860702-27226-1-git-send-email-ajax@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org Signed-off-by: Adam Jackson --- drivers/gpu/drm/drm_edid.c | 16 ++++++++++++++++ 1 files changed, 16 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 1bc15a8..9299dd6 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -712,6 +712,19 @@ cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure) } static void +vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure) +{ + unsigned int i, n = min((int)ext[0x02], 6); + u8 *det_base = ext + 5; + + if (ext[0x01] != 1) + return; /* unknown version */ + + for (i = 0; i < n; i++) + cb((struct detailed_timing *)(det_base + 18 * i), closure); +} + +static void drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure) { int i; @@ -729,6 +742,9 @@ drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure) case CEA_EXT: cea_for_each_detailed_block(ext, cb, closure); break; + case VTB_EXT: + vtb_for_each_detailed_block(ext, cb, closure); + break; default: break; } -- 1.7.2