zhenyu.z.wang at intel.com
Fri May 18 01:33:42 PDT 2007
On 2007.05.18 09:17:18 +0000, Leo wrote:
> > You must know what's your bios behavior in s3 for video stuff, as it
> > could do repost or not,
> How can I find out about this? This is a dell 700M laptop and its video
> card is intel 855GME.
Just experiment, below doc has more info.
> > linux/Documentation/power/video.txt
> > And you might need
> > vbetool to do the post if bios doesn't do for you in s3, or I'm not
> > sure if current drm modesetting work is able to ignore bios. Do you
> > use any suspend/resume tool/scripts? like s2ram,etc which was known on
> > this list brought trouble in resume on intel hw.
> I am using the default tools in Fedora: pm-utils.
You may try directly "echo mem > /sys/power/state; vbetool post", to
see if it could work. Then fix pm-utils script according to good case.
vbestate save/restore may be harmful, I've encountered that it made s3
failure on one UMPC device with 915GM chip.
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