From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 97260] R9 290 low performance in Linux 4.7 Date: Wed, 10 Aug 2016 21:00:25 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0390729338==" 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 ED8856E87C for ; Wed, 10 Aug 2016 21:00:25 +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 --===============0390729338== Content-Type: multipart/alternative; boundary="14708628252.9EEd5aB.17942"; charset="UTF-8" --14708628252.9EEd5aB.17942 Date: Wed, 10 Aug 2016 21:00:25 +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=3D97260 --- Comment #9 from Alex Deucher --- (In reply to Kai from comment #8) > (In reply to Alex Deucher from comment #6) > > Does reverting 5e031d9fe8b0741f11d49667dfc3ebf5454121fd (drm/radeon/pm: > > update current crtc info after setting the powerstate) help? >=20 > No, it does not for me (I fetched the patch from > ?id=3D5e031d9fe8b0741f11d49667dfc3ebf5454121fd> and applied it with patch= -p1 > -R < /path/to.patch). The Talos Principle is still down to 43 FPS, haven't > tested XCOM 2 or anything else. >=20 > Btw, not sure if it can help tracking down the cause: the GPU doesn't seem > to go into its highest performance mode or at least the fan is not reachi= ng > its highest RPM when I'm on 4.7.0 (with or without the revert). You can check by running apps and monitoring the content of /sys/kernel/debug/dri/64/radeon_pm_info Do you see it scaling up under load on the problematic kernels? Does forci= ng the clocks to high via sysfs work ok? --=20 You are receiving this mail because: You are the assignee for the bug.= --14708628252.9EEd5aB.17942 Date: Wed, 10 Aug 2016 21:00:25 +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

Comment= # 9 on bug 97260<= /a> from Alex Deucher 
(In reply to Kai from c=
omment #8)
> (In reply to Alex Deucher from comment #6)
> > Does reverting 5e031d9fe8b0741f11d49667dfc3ebf5454121fd (drm/rade=
on/pm:
> > update current crtc info after setting the powerstate) help?
>=20
> No, it does not for me (I fetched the patch from
> <https://git.kernel.org/cgit/linux/kernel/git/torvalds/linu=
x.git/patch/
> ?id=3D5e031d9fe8b0741f11d49667dfc3ebf5454121fd> and applied it with=
 patch -p1
> -R < /path/to.patch). The Talos Principle is still down to 43 FPS, =
haven't
> tested XCOM 2 or anything else.
>=20
> Btw, not sure if it can help tracking down the cause: the GPU doesn't =
seem
> to go into its highest performance mode or at least the fan is not rea=
ching
> its highest RPM when I'm on 4.7.0 (with or without the revert).

You can check by running apps and monitoring the content of
/sys/kernel/debug/dri/64/radeon_pm_info
Do you see it scaling up under load on the problematic kernels?  Does forci=
ng
the clocks to high via sysfs work ok?

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