From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 102646] Screen flickering under amdgpu-experimental [buggy auto power profile] Date: Tue, 19 Mar 2019 20:12:54 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============2009532019==" 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 9C5C889C37 for ; Tue, 19 Mar 2019 20:12:54 +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 --===============2009532019== Content-Type: multipart/alternative; boundary="15530263746.ae6AAe.20521" Content-Transfer-Encoding: 7bit --15530263746.ae6AAe.20521 Date: Tue, 19 Mar 2019 20:12:54 +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=3D102646 --- Comment #69 from Bastian --- Distro/Kernel: Ubuntu 18.04.2/5.0.2 GPU AMD: Readon RX570 - Mesa 19.0 Display: Iiyama G23530HSU 75hz Desktop: Gnome video: https://www.youtube.com/watch?v=3DgNJ2kJ8hsHA Have the same problem as the op. The problems started with the 4.20 Kernels. Had not this problem with 4.19 LTS Kernels. The flickering doesn't appear on wayland if I choose only 60hz. On xorg it is irrelevant how much hz I use, = it flickers regardless.=20 sudo -i echo "manual" > /sys/class/drm/card0/device/power_dpm_force_performance_lev= el=20 echo "2" > /sys/class/drm/card0/device/pp_dpm_mclk Fixes the flickering. --=20 You are receiving this mail because: You are the assignee for the bug.= --15530263746.ae6AAe.20521 Date: Tue, 19 Mar 2019 20:12:54 +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 # 69 on bug 10264= 6 from Bastian 
Distro/Kernel: Ubuntu 18.04.2/5.0.2
GPU AMD:       Readon RX570 - Mesa 19.0
Display:       Iiyama G23530HSU  75hz
Desktop:       Gnome

video: https://ww=
w.youtube.com/watch?v=3DgNJ2kJ8hsHA

Have the same problem as the op. The problems started with the 4.20 Kernels.
Had not this problem with 4.19 LTS Kernels. The flickering doesn't appear on
wayland if I choose only 60hz. On xorg it is irrelevant how much hz I use, =
it
flickers regardless.=20

sudo -i
echo "manual" > /sys/class/drm/card0/device/power_dpm_force_pe=
rformance_level=20
echo "2" > /sys/class/drm/card0/device/pp_dpm_mclk

Fixes the flickering.

You are receiving this mail because:
  • You are the assignee for the bug.
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