[Bug 94387] Approx 35W more power usage in multi-screen

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Mar 3 21:27:00 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=94387

--- Comment #2 from Steve <netwiz at crc.id.au> ---
Created attachment 122105
  --> https://bugs.freedesktop.org/attachment.cgi?id=122105&action=edit
dmesg output

You are right - I notice:
[    3.055513] [drm] Loading BARTS Microcode
[    3.055579] [drm] Internal thermal controller with fan control
[    3.061488] [drm] radeon: dpm initialized

This is interesting - as the fan sure works harder under the radeon driver than
the fglrx - and you can feel the extra heat coming out the back of the card.

Is there any further information I can supply re power levels on the card to
try and see what causes the extra power / heat usage?

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