[Bug 41664] New: R580 Powermanagement with Kernelmodesetting: - bugzilla-daemon

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 41664] New: R580 Powermanagement with Kernelmodesetting:
Date: Mon, 10 Oct 2011 15:49:59 -0700 (PDT)	[thread overview]
Message-ID: <bug-41664-502@http.bugs.freedesktop.org/> (raw)

https://bugs.freedesktop.org/show_bug.cgi?id=41664

           Summary: R580 Powermanagement with Kernelmodesetting:
           Product: DRI
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: revealed@freakmail.de

Hello!

I hope you can help me on this:
- Chipset: "ATI Radeon X1950" (ChipID = 0x7240)
- OpenSuSE 11.4 2.6.37.6-0.7-desktop x86_64 GNU/Linux

I had the same problem with the 32 Bit version of SuSE 11.4.

I an able to start my system using kernelmodesetting. Most things related to my
GFX seem to work fine so far.

As i read on the xorg wiki there is powermanagement available for many cards.

If i issue:
cat /sys/kernel/debug/dri/0/radeon_pm_info

I recieve this output:
default engine clock: 508000 kHz
current engine clock: 506250 kHz
default memory clock: 600000 kHz
current memory clock: 594000 kHz
PCIE lanes: 0

I was just wondering, why there is no Voltage information available. And as my
card is a PCI Express Extension card and not an integrated one i thought i
might find PCIE Lanes 16 normally?

In dmesg output i can also find:
[    2.614836] [drm] radeon: power management initialized

According to lsmod the lm63 module was loaded automatically. So theres a hwmon
structure for my card.

And debugfs contains some dri related files and is also accessible by a normal
system user.

But if i want to switch powerprofiles (profile based) or dynpm it won´t work. I
installed the radeonpm plasmoid from kdelook.org as i would want to comfortably
switch profiles. 

I get temperatures and actual clock information from the for radeon created
filestructure. But no voltage info?

While searching freedesktop for information, i found it could be usefull for
you to have a look into "vbios.rom" as i dont know how to read it, i will
attache mine here.

Many thanks for your Help!

Greetings,

R

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