From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 107390] [BISECTED] EDID read failure breaks display mirroring Date: Tue, 31 Jul 2018 21:16:40 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0571633182==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 5E5AA89DBF for ; Tue, 31 Jul 2018 21:16:45 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0571633182== Content-Type: multipart/alternative; boundary="15330718040.AfB08Df.4033" Content-Transfer-Encoding: 7bit --15330718040.AfB08Df.4033 Date: Tue, 31 Jul 2018 21:16:44 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D107390 --- Comment #10 from dwagner --- (In reply to Harry Wentland from comment #9) > That commit is correct. I don't think we should revert it. That said I do= n't > quite understand why it leads to issues. Isn't it strange that dc_link_detect goes on when edid_status=3D=3DEDID_BAD_CHECKSUM but does return when edid_status=3D=3DEDID_NO_RESPONSE? In both cases, one cannot expect to have= read a valid EDID from the display at hand, but if it's ok to continue with an inv= alid EDID, why not also continue without one having been received? --=20 You are receiving this mail because: You are the assignee for the bug.= --15330718040.AfB08Df.4033 Date: Tue, 31 Jul 2018 21:16:44 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Comme= nt # 10 on bug 10739= 0 from dwagner 
(In reply to Harry Wentland from comment #9)
> That commit is correct. I don't think we should =
revert it. That said I don't
> quite understand why it leads to issues.
Isn't it strange that dc_link_detect goes on when
edid_status=3D=3DEDID_BAD_CHECKSUM but does return when
edid_status=3D=3DEDID_NO_RESPONSE? In both cases, one cannot expect to have=
 read a
valid EDID from the display at hand, but if it's ok to continue with an inv=
alid
EDID, why not also continue without one having been received?

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