From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 97857] card detects non-existent monitor on display port Date: Tue, 27 Sep 2016 14:42:21 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1350020957==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id DCC0E6E0B9 for ; Tue, 27 Sep 2016 14:42:20 +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 --===============1350020957== Content-Type: multipart/alternative; boundary="14749873400.d18F.24748"; charset="UTF-8" --14749873400.d18F.24748 Date: Tue, 27 Sep 2016 14:42:20 +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=3D97857 --- Comment #9 from Alex Deucher --- (In reply to Michel D=C3=A4nzer from comment #8) > (In reply to Daniel from comment #7) > > But I did, in my description: "Since kernel 4.5.0-2 my Xorg.0.log shows= that > > something is also connected to display port...". > >=20 > > Up to 4.5.0-1 everything was fine. >=20 > Oops, sorry, I somehow missed that before. :( >=20 > I think the most likely culprit is >=20 > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ > ?id=3Dff0bd441bdfbfa09d05fdba9829a0401a46635c1 >=20 I doubt this is the culprit. The link training parameters aren't used unti= l a monitor is already detected. This wouldn't result in a fake monitor showing up. > then, or maybe >=20 > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ > ?id=3D1a738347df2ee4977459a8776fe2c62196bdcb1b That is a possibility. >=20 > Can you try if reverting either of those fixes the problem? >=20 > Alex, any ideas? Maybe some core drm/dp change? Any chance you could bisect? --=20 You are receiving this mail because: You are the assignee for the bug.= --14749873400.d18F.24748 Date: Tue, 27 Sep 2016 14:42:20 +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

Comment= # 9 on bug 97857<= /a> from Alex Deucher 
(In reply to Michel D=C3=A4nzer from comment #8)
> (In reply to Daniel from comment #7)
> > But I did, in my description: "Since kernel 4.5.0-2 my Xorg.=
0.log shows that
> > something is also connected to display port...".
> >=20
> > Up to 4.5.0-1 everything was fine.
>=20
> Oops, sorry, I somehow missed that before. :(
>=20
> I think the most likely culprit is
>=20
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.g=
it/commit/
> ?id=3Dff0bd441bdfbfa09d05fdba9829a0401a46635c1
> 

I doubt this is the culprit.  The link training parameters aren't used unti=
l a
monitor is already detected.  This wouldn't result in a fake monitor showing
up.

> then, or maybe
>=20
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.g=
it/commit/
> ?id=3D1a738347df2ee4977459a8776fe2c62196bdcb1b

That is a possibility.

>=20
> Can you try if reverting either of those fixes the problem?
>=20
> Alex, any ideas?

Maybe some core drm/dp change?  Any chance you could bisect?

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