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Date: Fri, 30 Jan 2004 10:25:29 +0100
From: Mark Santcroos <marks@ripe.net>
To: John Baldwin <jhb@FreeBSD.org>
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cc: current@freebsd.org
cc: freebsd-acpi@jp.freebsd.org
Subject: Re: API to turn off the display
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On Thu, Jan 29, 2004 at 11:32:54AM -0500, John Baldwin wrote:
> I read the spec yesterday, and what is supposed to happen is this:  The 
> display (LCD, CRT, etc.) is supposed to be powered down using DPMS.  The 
> actual adapter is then supposed to be powered down using either PCI or ACPI 
> sleep states, and the adapter should not be powered down to a lower sleep 
> state (like D3) w/o using DPMS to power the display down to at least that 
> state first.  This means that the kernel might need to grow a dummy vga 
> driver of some sort and some simple dpms support for suspend/resume.

I second this.

Nate, can you put it on your acpi-todo list?

Mark