On 26/06/2013 16:28, Mick wrote:
> I have this card:
> 
>            *-display
>                 description: VGA compatible controller
>                 product: RV730/M96-XT [Mobility Radeon HD 4670]
>                 vendor: Advanced Micro Devices [AMD] nee ATI
>                 physical id: 0
>                 bus info: pci@0000:02:00.0
>                 version: 00
>                 width: 32 bits
>                 clock: 33MHz
>                 capabilities: pm pciexpress msi vga_controller bus_master 
> cap_list rom
>                 configuration: driver=radeon latency=0
>                 resources: irq:45 memory:d0000000-dfffffff 
> ioport:2000(size=256) memory:cfef0000-cfefffff memory:cfe00000-cfe1ffff
> 
> and have this little file auto-switching my video cards fan from running non-
> stop:
> 
> cat /etc/local.d/set_radeon_power_profile.start 
> echo auto > /sys/class/drm/card0/device/power_profile


I did try that once, and somehow it went horribly wrong - the machine
became *very* unresponsive to keyboard and mouse, as if it was applying
huge amounts of CPU throttling (not freq scaling)

So I gave up. I never use this machine as a classic laptop anyway, to me
it's a desk workstation that I can suspend and carry home in a  backpack
with ease, so it's always plugged into power to use :-)

I only ever need the battery for maximum 20 minutes in review meetings
every two weeks, so I just kinda learned to live with it....

-- 
Alan McKinnon
[email protected]


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