[Bug 67321] [dpm] rs880: Power usage doesn't drop with dpm=1

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jul 25 13:11:22 PDT 2013


Alex Deucher <agd5f at yahoo.com> changed:

           What    |Removed                     |Added
           Severity|normal                      |enhancement

--- Comment #1 from Alex Deucher <agd5f at yahoo.com> ---
Please(In reply to comment #0)
> My laptop (Lenovo Edge 11) has the Mobility Radeon HD 4200 Series chip
> (RS880M) 
> (windows says it's a HD 4225)
> It consume with fglrx ~16W. (kernel 3.4.47)
> With radeon (kernel 3.11-rc2) and power_profile=low ~20W
> With radeon.dpm=1 (kernel 3.11-rc2) ~20W

The power usage between DPM and profile=low should be pretty comparable on
these chips.  DPM just has the advantage of being able to dynamically change
the clocks and voltage transparently when performance is required vs. having to
change it manually with the profile code.

You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.x.org/archives/xorg-driver-ati/attachments/20130725/fa76fd95/attachment.html>

More information about the xorg-driver-ati mailing list