From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 107731] radeon (amdgpu) DisplayPort loss of max-resolution on DP monitor (after monitor power saving / idle) Date: Tue, 19 Mar 2019 10:52:14 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0941882177==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [IPv6:2610:10:20:722:a800:ff:fe98:4b55]) by gabe.freedesktop.org (Postfix) with ESMTP id BC30389A92 for ; Tue, 19 Mar 2019 10:52:14 +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 --===============0941882177== Content-Type: multipart/alternative; boundary="15529927344.dB4F5c49.26471" Content-Transfer-Encoding: 7bit --15529927344.dB4F5c49.26471 Date: Tue, 19 Mar 2019 10:52:14 +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=3D107731 --- Comment #7 from L.S.S. --- Unfortunately I cannot test this on my monitor (Lenovo ThinkVision P27). Wh= ile it only has options for DP or HDMI input (no Auto select), it seems to acti= vely cycle through the input signals when powering on, resuming from idle, or wh= en there's no signal on either input. The monitor in question doesn't appear to maintain the inactive link (as we= ll as USB connection) when powering off, going idle, or switching input, from = what I could find out. Before using a KVM (that I'm swapping between its HDMI an= d DP inputs that were connected to different places), whenever I switch the acti= ve signal, the built-in USB hub power-cycles (devices disconnect then reconnec= t), and the monitor becomes disconnected to the system connected to the now inactive signal. --=20 You are receiving this mail because: You are the assignee for the bug.= --15529927344.dB4F5c49.26471 Date: Tue, 19 Mar 2019 10:52:14 +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

Commen= t # 7 on bug 10773= 1 from L.S.S. 
Unfortunately I cannot test this on my monitor (Lenovo ThinkVi=
sion P27). While
it only has options for DP or HDMI input (no Auto select), it seems to acti=
vely
cycle through the input signals when powering on, resuming from idle, or wh=
en
there's no signal on either input.

The monitor in question doesn't appear to maintain the inactive link (as we=
ll
as USB connection) when powering off, going idle, or switching input, from =
what
I could find out. Before using a KVM (that I'm swapping between its HDMI an=
d DP
inputs that were connected to different places), whenever I switch the acti=
ve
signal, the built-in USB hub power-cycles (devices disconnect then reconnec=
t),
and the monitor becomes disconnected to the system connected to the now
inactive signal.

You are receiving this mail because:
  • You are the assignee for the bug.
= --15529927344.dB4F5c49.26471-- --===============0941882177== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs --===============0941882177==--