From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 87796] radeonsi 120Hz graphic glitches Date: Tue, 13 Jan 2015 21:44:05 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0271824595==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 9556E6E49B for ; Tue, 13 Jan 2015 13:44:05 -0800 (PST) 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 --===============0271824595== Content-Type: multipart/alternative; boundary="1421185445.317EB0.6261"; charset="UTF-8" --1421185445.317EB0.6261 Date: Tue, 13 Jan 2015 21:44:05 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable https://bugs.freedesktop.org/show_bug.cgi?id=3D87796 --- Comment #11 from Cl=C3=A9sio Luiz --- (In reply to Alex Deucher from comment #10) > It looks like maybe the dpm memory reclocking occasionally misses the > vblank. Do you still get the glitches if you connect a secondary display= or > disable dynamic clocking? To disable able dynamic clocking (as root): > echo high > /sys/class/drm/card0/device/power_dpm_force_performance_level > to re-enable it (as root): > echo auto > /sys/class/drm/card0/device/power_dpm_force_performance_level The High value makes the glitches go away. As soon as I set the Auto value,= the glitches reappear. I don't have access to a second display to test right now, only tomorrow. --=20 You are receiving this mail because: You are the assignee for the bug. --1421185445.317EB0.6261 Date: Tue, 13 Jan 2015 21:44:05 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Commen= t # 11 on bug 87796<= /a> from Cl=C3=A9sio Luiz 
(In reply to Alex Deucher from comment #10)
> It looks like maybe the dpm memory reclocking oc=
casionally misses the
> vblank.  Do you still get the glitches if you connect a secondary disp=
lay or
> disable dynamic clocking?  To disable able dynamic clocking (as root):
> echo high > /sys/class/drm/card0/device/power_dpm_force_performance=
_level
> to re-enable it (as root):
> echo auto > /sys/class/drm/card0/device/power_dpm_force_performance=
_level

The High value makes the glitches go away. As soon as I set the Auto value,=
 the
glitches reappear.

I don't have access to a second display to test right now, only tomorrow.

You are receiving this mail because: =20=20=20=20=20=20
  • You are the assignee for the bug.
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