From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 107701] Asus X570ZD amdgpu display flicker at brightness level 1 Date: Tue, 28 Aug 2018 05:42:18 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1676665949==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 40B676E049 for ; Tue, 28 Aug 2018 05:42:18 +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 --===============1676665949== Content-Type: multipart/alternative; boundary="15354349380.84D6A.24819" Content-Transfer-Encoding: 7bit --15354349380.84D6A.24819 Date: Tue, 28 Aug 2018 05:42:18 +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=3D107701 Bug ID: 107701 Summary: Asus X570ZD amdgpu display flicker at brightness level 1 Product: DRI Version: unspecified Hardware: Other OS: All Status: NEW Severity: normal Priority: medium Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: dan@reactivated.net On the Asus X570VD laptop with AMD Ryzen 7 with Radeon Vega Mobile Gfx, if = you use the brightness keys to reduce the screen brightness to the minimum level under GNOME, the display flickers disturbingly. This is reproducible under Ubuntu 18.04 with all updates applied (Linux 4.1= 5). It's also reproducible with AMDGPU-PRO All-Open drivers installed on top. It's also reproducible under Linux 4.18.5. It's hard to capture on camera, but you can get some appreciation of the is= sue in this video: https://youtu.be/tCoA45TJlAk When the screen is in this state, the /sys/class/backlight/brightness file = has value 1. If I manually adjust to value 2, the flicker goes away. --=20 You are receiving this mail because: You are the assignee for the bug.= --15354349380.84D6A.24819 Date: Tue, 28 Aug 2018 05:42:18 +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 107701
Summary Asus X570ZD amdgpu display flicker at brightness level 1
Product DRI
Version unspecified
Hardware Other
OS All
Status NEW
Severity normal
Priority medium
Component DRM/AMDgpu
Assignee dri-devel@lists.freedesktop.org
Reporter dan@reactivated.net 

On the Asus X570VD laptop with AMD Ryzen 7 with Radeon Vega Mo=
bile Gfx, if you
use the brightness keys to reduce the screen brightness to the minimum level
under GNOME, the display flickers disturbingly.

This is reproducible under Ubuntu 18.04 with all updates applied (Linux 4.1=
5).
It's also reproducible with AMDGPU-PRO All-Open drivers installed on top.
It's also reproducible under Linux 4.18.5.

It's hard to capture on camera, but you can get some appreciation of the is=
sue
in this video:
https://youtu.be/tCoA45TJlAk

When the screen is in this state, the /sys/class/backlight/brightness file =
has
value 1. If I manually adjust to value 2, the flicker goes away.

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