Public bug reported:
I cant find any messages related that D2 sleep enabled even if Im loading
radeonfb module with video=radeonfb:force_sleep.
And powerdrain during sleep is the same high with force_sleep and without it.
It is about 2800 mW.
Messages during loading radeonfb:
[17179572.244000] radeonfb: Retrieved PLL infos from BIOS
[17179572.244000] radeonfb: Reference=27.00 MHz (RefDiv=12) Memory=183.00 Mhz,
System=183.00 MHz
[17179572.244000] radeonfb: PLL min 12000 max 35000
[17179574.232000] radeonfb: Monitor 1 type LCD found
[17179574.232000] radeonfb: Monitor 2 type no found
[17179574.232000] radeonfb: panel ID string: 1024x768
[17179574.232000] radeonfb: detected LVDS panel size from BIOS: 1024x768
[17179574.232000] radeondb: BIOS provided dividers will be used
[17179574.352000] radeonfb: Dynamic Clock Power Management enabled
[17179574.356000] radeonfb (0000:01:00.0): ATI Radeon LW
** Affects: linux-source-2.6.17 (Ubuntu)
Importance: Undecided
Status: Unconfirmed
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radeonfb D2 sleep patch for thinkpads seems not working
https://launchpad.net/bugs/66879
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