From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 96326] Heavy screen flickering in OpenGL apps on R9 390 Date: Thu, 02 Jun 2016 14:51:49 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1906781594==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 4C6566EC0A for ; Thu, 2 Jun 2016 14:51:49 +0000 (UTC) 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 --===============1906781594== Content-Type: multipart/alternative; boundary="14648791090.8ddABe0a9.20301"; charset="UTF-8" --14648791090.8ddABe0a9.20301 Date: Thu, 2 Jun 2016 14:51:49 +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=3D96326 Bug ID: 96326 Summary: Heavy screen flickering in OpenGL apps on R9 390 Product: Mesa Version: git Hardware: Other OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: Drivers/Gallium/radeonsi Assignee: dri-devel@lists.freedesktop.org Reporter: 0xe2.0x9a.0x9b@gmail.com QA Contact: dri-devel@lists.freedesktop.org GPU: R9 390 GPU manufacturer: Gigabyte Kernel: 4.5, 4.6, etc Firmware: both hawaii_smc.bin and hawaii_k_smc.bin Hello, I am experiencing heavy LCD screen flickering in OpenGL apps when automatic= GPU power management is enabled. The flickering is related to mclk transitions. Forcing mclk=3D1.5GHz, and l= etting sclk be controlled by DPM, removes the flickering. Related issues: http://bugs.freedesktop.org/show_bug.cgi?id=3D91880 http://bugs.freedesktop.org/show_bug.cgi?id=3D92302 --=20 You are receiving this mail because: You are the assignee for the bug.= --14648791090.8ddABe0a9.20301 Date: Thu, 2 Jun 2016 14:51:49 +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
Bug ID 96326
Summary Heavy screen flickering in OpenGL apps on R9 390
Product Mesa
Version git
Hardware Other
OS Linux (All)
Status NEW
Severity normal
Priority medium
Component Drivers/Gallium/radeonsi
Assignee dri-devel@lists.freedesktop.org
Reporter 0xe2.0x9a.0x9b@gmail.com
QA Contact dri-devel@lists.freedesktop.org 

GPU: R9 390
GPU manufacturer: Gigabyte
Kernel: 4.5, 4.6, etc
Firmware: both hawaii_smc.bin and hawaii_k_smc.bin

Hello,

I am experiencing heavy LCD screen flickering in OpenGL apps when automatic=
 GPU
power management is enabled.

The flickering is related to mclk transitions. Forcing mclk=3D1.5GHz, and l=
etting
sclk be controlled by DPM, removes the flickering.

Related issues:
http://bugs.freedesktop.org/show_bug.cg=
i?id=3D91880
http://bugs.freedesktop.org/show_bug.cg=
i?id=3D92302

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