From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 106188] Can't successfully set pstates in pp_od_clk_voltage Date: Tue, 08 May 2018 22:18:25 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0268591109==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [IPv6:2610:10:20:722:a800:ff:fe98:4b55]) by gabe.freedesktop.org (Postfix) with ESMTP id CDE126EBBE for ; Tue, 8 May 2018 22:18:24 +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 --===============0268591109== Content-Type: multipart/alternative; boundary="15258179040.0c3CF5B2E.31474" Content-Transfer-Encoding: 7bit --15258179040.0c3CF5B2E.31474 Date: Tue, 8 May 2018 22:18:24 +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=3D106188 --- Comment #6 from Alex Deucher --- (In reply to tempel.julian from comment #4) > However, I am still not able to raise the maximum allowed power consumpti= on > of the GPU. > It's clear that "/sys/class/drm/card0/device/hwmon/hwmon0/power1_cap" sets > the actual power limit and thus I need to raise it. But the problem is: > - I can't set it higher than power1_cap_max, only values below work. > - power1_cap_max equals to power1_cap, so raising power consumption is > actually completely forbidden > - Despite of being root, I don't have write access to power1_cap_max, unl= ike > to power1_cap The max supported power cap is defined by the OEM in a vbios table and we l= imit the max to that value. power1_cap_min and max are RO so you can't change t= hem. They define the range of available values. --=20 You are receiving this mail because: You are the assignee for the bug.= --15258179040.0c3CF5B2E.31474 Date: Tue, 8 May 2018 22:18:24 +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 # 6 on bug 10618= 8 from Alex Deucher 
(In reply to tempel.julian from comment #4)
> However, I am still not able to raise the maximu=
m allowed power consumption
> of the GPU.
> It's clear that "/sys/class/drm/card0/device/hwmon/hwmon0/power1_=
cap" sets
> the actual power limit and thus I need to raise it. But the problem is:
> - I can't set it higher than power1_cap_max, only values below work.
> - power1_cap_max equals to power1_cap, so raising power consumption is
> actually completely forbidden
> - Despite of being root, I don't have write access to power1_cap_max, =
unlike
> to power1_cap

The max supported power cap is defined by the OEM in a vbios table and we l=
imit
the max to that value.  power1_cap_min and max are RO so you can't change t=
hem.
 They define the range of available values.

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