From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 106306] amdgpu CIK power management issues (overdrive and wattman) Date: Thu, 10 May 2018 21:57:22 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1383477827==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 5969F6E257 for ; Thu, 10 May 2018 21:57:22 +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 --===============1383477827== Content-Type: multipart/alternative; boundary="15259894420.7c30.15830" Content-Transfer-Encoding: 7bit --15259894420.7c30.15830 Date: Thu, 10 May 2018 21:57:22 +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=3D106306 --- Comment #3 from grmat@sub.red --- Thanks, I wasn't aware of that. The old overdrive functionality indeed works with amdgpu.dpm=3D1 on 4.16. However, it doesn't on 4.17. And wattman functionality doesn't work at all; pp_od_clk_voltage prints nothing and doesn't accept anything. Is wattman ev= en implemented for CI? Also, do you consider enabling amdgpu.dpm for CI by default? I found the big advantage that the VRAM/MC is finally back to the lower dpm state in idle w= hile driving a WQHD 144 Hz monitor. That saves solid 40 Watts on desktop usage. --=20 You are receiving this mail because: You are the assignee for the bug.= --15259894420.7c30.15830 Date: Thu, 10 May 2018 21:57:22 +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

Commen= t # 3 on bug 10630= 6 from grmat@sub.red 
Thanks, I wasn't aware of that.

The old overdrive functionality indeed works with amdgpu.dpm=3D1 on 4.16.
However, it doesn't on 4.17. And wattman functionality doesn't work at all;
pp_od_clk_voltage prints nothing and doesn't accept anything. Is wattman ev=
en
implemented for CI?

Also, do you consider enabling amdgpu.dpm for CI by default? I found the big
advantage that the VRAM/MC is finally back to the lower dpm state in idle w=
hile
driving a WQHD 144 Hz monitor. That saves solid 40 Watts on desktop usage.<=
/pre>

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