From: Adam Jackson <ajax@redhat.com>
To: Harald Judt <h.judt@gmx.at>
Cc: dri-devel@lists.freedesktop.org
Subject: Re: [r600g] ATI Radeon HD6950, dual monitor and power profile
Date: Tue, 20 Dec 2011 15:20:24 -0500 [thread overview]
Message-ID: <4EF0EE08.4070504@redhat.com> (raw)
In-Reply-To: <4EF0D610.6020604@gmx.at>
On 12/20/11 1:38 PM, Harald Judt wrote:
> Hi,
>
> When using more than one monitor, the card uses higher clocks than in
> single-monitor mode and low-power profile. As a subjectively negative
> side-effect, the fan on the card starts making more noise. Other cards I
> used before had no problem with staying quiet even when more monitors
> were attached.
>
> As soon as I switch back to single-monitor mode, clocks go down and the
> card becomes silent again.
>
> Is there a way to manually force lower clock speeds, and therefore reach
> an acceptable noise level? Maybe make it use the same power profile
> settings in dual-monitor as in single-monitor?
It really depends on what kind of power profiles the device exposes.
Boot with drm.debug=0x2 and they'll be in dmesg.
- ajax
next prev parent reply other threads:[~2011-12-20 20:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-20 18:38 [r600g] ATI Radeon HD6950, dual monitor and power profile Harald Judt
2011-12-20 20:20 ` Adam Jackson [this message]
2011-12-20 21:19 ` Harald Judt
2011-12-20 21:50 ` Alex Deucher
2011-12-21 0:21 ` Harald Judt
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