[Bug 41664] New: R580 Powermanagement with Kernelmodesetting:
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon Oct 10 15:49:59 PDT 2011
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 at lists.freedesktop.org
ReportedBy: revealed at 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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