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: Sun, 18 Nov 2018 17:36:54 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0781246330==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 27C0089C49 for ; Sun, 18 Nov 2018 17:36:54 +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 --===============0781246330== Content-Type: multipart/alternative; boundary="15425626141.2d5E4.15588" Content-Transfer-Encoding: 7bit --15425626141.2d5E4.15588 Date: Sun, 18 Nov 2018 17:36:54 +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 #41 from afm --- RX 570 1002:67df [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X/590] (rev ef) Kernel: 4.19.2-300.fc29.x86_64 1920x1080 59.93*+ Lots of strange flickering and black lines with dc=3D1. Strange ghosting and screen corruption with dc=3D0 echo manual > /sys/class/drm/card0/device/power_dpm_force_performance_level echo "0" > /sys/class/drm/card0/device/pp_dpm_mclk Fixes the issue. echo "2" > /sys/class/drm/card0/device/pp_dpm_mclk echo "0" > /sys/class/drm/card0/device/pp_dpm_mclk echo "2" > /sys/class/drm/card0/device/pp_dpm_mclk Produces screen corruption for half a second on each change. Across all 3 monitors. --=20 You are receiving this mail because: You are the assignee for the bug.= --15425626141.2d5E4.15588 Date: Sun, 18 Nov 2018 17:36:54 +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 # 41 on bug 10264= 6 from afm 
RX 570
1002:67df [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X/590] (rev
ef)
Kernel: 4.19.2-300.fc29.x86_64
1920x1080     59.93*+

Lots of strange flickering and black lines with dc=3D1. Strange ghosting and
screen corruption with dc=3D0

echo manual > /sys/class/drm/card0/device/power_dpm_force_performance_le=
vel
echo "0" >  /sys/class/drm/card0/device/pp_dpm_mclk

Fixes the issue.

echo "2" >  /sys/class/drm/card0/device/pp_dpm_mclk
echo "0" >  /sys/class/drm/card0/device/pp_dpm_mclk
echo "2" >  /sys/class/drm/card0/device/pp_dpm_mclk

Produces screen corruption for half a second on each change. Across all 3
monitors.

You are receiving this mail because:
  • You are the assignee for the bug.
= --15425626141.2d5E4.15588-- --===============0781246330== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg== --===============0781246330==--