From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 106303] amdgpu on RX 560: memory and core clocks not lowered on idle Date: Sat, 28 Apr 2018 21:23:12 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1349860984==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id B4B616E128 for ; Sat, 28 Apr 2018 21:23:12 +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 --===============1349860984== Content-Type: multipart/alternative; boundary="15249505920.6aDA98beb.8096" Content-Transfer-Encoding: 7bit --15249505920.6aDA98beb.8096 Date: Sat, 28 Apr 2018 21:23:12 +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=3D106303 Bug ID: 106303 Summary: amdgpu on RX 560: memory and core clocks not lowered on idle Product: DRI Version: unspecified Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: bugs.freedesktop.org@pm.port0.org Created attachment 139206 --> https://bugs.freedesktop.org/attachment.cgi?id=3D139206&action=3Dedit amdgpu_pm_info with 4.15 kernel There is a problem with amdgpu power management. With kernels 4.15.X MCLK is always stays at max value. With kernels 4.16.X MCLK/SCLK both stays at max. At idle desktop GPU draws about 4W more, according to /sys/kernel/debug/dri/0/amdgpu_pm_info Kernels from Ubuntu PPA http://kernel.ubuntu.com/~kernel-ppa/mainline/ DRM/Mesa libs from Oibaf PPA https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers --=20 You are receiving this mail because: You are the assignee for the bug.= --15249505920.6aDA98beb.8096 Date: Sat, 28 Apr 2018 21:23:12 +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 106303
Summary amdgpu on RX 560: memory and core clocks not lowered on idle
Product DRI
Version unspecified
Hardware x86-64 (AMD64)
OS Linux (All)
Status NEW
Severity normal
Priority medium
Component DRM/AMDgpu
Assignee dri-devel@lists.freedesktop.org
Reporter bugs.freedesktop.org@pm.port0.org 

Created attachme=
nt 139206 [details]
amdgpu_pm_info with 4.15 kernel

There is a problem with amdgpu power management.
With kernels 4.15.X MCLK is always stays at max value.
With kernels 4.16.X MCLK/SCLK both stays at max.

At idle desktop GPU draws about 4W more, according to
/sys/kernel/debug/dri/0/amdgpu_pm_info

Kernels from Ubuntu PPA
http://kernel.ub=
untu.com/~kernel-ppa/mainline/

DRM/Mesa libs from Oibaf PPA
h=
ttps://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers

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