>> The "nv" driver didn't really support DPMS in 4.2. It could only
>> do on and off. Real DPMS support was added only recently. I don't
>> know why it's not working for you. Do suspend and standby work?
>>
>> If you want to hack sources you can restore the old on-off behavior
>> in nv_driver.c. Look for the #if 0 at the call to xf86DPMSInit.
>>
>>
>
> I don't actually have an M64, but I have a Vanta and I just tried
>it and 4.3 seems to work OK for me. My monitor reports hsync and vsync
>both off. Suspend (on/off) and standby (off/on) also are correct.
>Can your monitor report which mode it's in?
Somewhat - the power LED is supposed to report whether the monitor is in
suspend (green), standby (flashing green/orange) or off (orange).
It seems like it might be a monitor bug, as the old behavior on DPMS off was
for the monitor to report "No input signal" and then to drop into DPMS off
mode.
The new behavior is the signal clearly drops out of sync (you can hear the
internal "click" from the monitor as it loses sync lock) but the power LED
remains green, and moving the mouse causes the picture to reappear instantly,
meaning the picture tube hasn't powered down.
However, in normal use, if you toggle the monitor input from HD15 to BNC, the
monitor will report "No signal" for the BNC input and will also change to DPMS
off mode.
With the new driver, when DPMS mode is forced off and you change inputs, there
is no message from the monitor, the LED just changes to orange to indicate DPMS
off mode.
Now here's where it gets weird; if you then reselect the HD15 input, the
monitor REMAINS in DPMS off mode. That's what makes it seem like a bug either
on the card's or monitor's part.
So it's almost as if there's still sync voltage being sent so the monitor
doesn't drop into full DPMS off mode but just into standby, but not enough
sync signal voltage to bring the monitor out of DPMS off mode if it's already
there.
I suspect the only answer to this will be to hack the "old" DPMS off support
back in; I find all of this interesting as in my experience Sony 21" monitors
have always been pretty good about adhering to DPMS standards...
If you have any other ideas, please feel free to let me know...
Thanks,
William Kucharski
[EMAIL PROTECTED]
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