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[Qemu-devel] Re: [Bochs-developers] [PATCH v3 6/6] Don't power down vga
From: |
Gleb Natapov |
Subject: |
[Qemu-devel] Re: [Bochs-developers] [PATCH v3 6/6] Don't power down vga card onentering S3 state. |
Date: |
Mon, 10 Nov 2008 23:20:12 +0200 |
On Mon, Nov 10, 2008 at 09:25:02PM +0100, Sebastian Herbszt wrote:
> Gleb Natapov wrote:
>> This is needed to fool windows to enter S3. The trick works for XP and
>> Windows2003, but Vista still refuse to allow S3.
>>
>> Signed-off-by: Gleb Natapov <address@hidden>
>> ---
>>
>> bios/acpi-dsdt.dsl | 15 ++
>> bios/acpi-dsdt.hex | 373
>> ++++++++++++++++++++++++++--------------------------
>> 2 files changed, 204 insertions(+), 184 deletions(-)
>>
>> diff --git a/bios/acpi-dsdt.dsl b/bios/acpi-dsdt.dsl
>> index 280a05e..5fc3636 100644
>> --- a/bios/acpi-dsdt.dsl
>> +++ b/bios/acpi-dsdt.dsl
>> @@ -133,6 +133,21 @@ DefinitionBlock (
>> }
>>
>> Scope(\_SB.PCI0) {
>> + Device (VGA) {
>> + Name (_ADR, 0x00020000)
>> + Method (_S1D, 0, NotSerialized)
>> + {
>> + Return (0x00)
>> + }
>> + Method (_S2D, 0, NotSerialized)
>> + {
>> + Return (0x00)
>> + }
>> + Method (_S3D, 0, NotSerialized)
>> + {
>> + Return (0x00)
>> + }
>> + }
>
> Which vga card does need this? std, cirrus, vmware?
>
I tested with cirrus, but I believe std needs it too. Both of them to old
to support low power state. Don't know about vmware.
--
Gleb.
- Re: [Qemu-devel] RE: [Bochs-developers] [PATCH v3 1/6] Move PIC initialization out ofline to save space in post code area., (continued)
[Qemu-devel] [PATCH v3 4/6] Execute rombios32 code from rom address 0xe0000., Gleb Natapov, 2008/11/10
[Qemu-devel] [PATCH v3 5/6] Don't use unreserved memory in BIOS., Gleb Natapov, 2008/11/10
[Qemu-devel] [PATCH v3 6/6] Don't power down vga card on entering S3 state., Gleb Natapov, 2008/11/10
[Qemu-devel] [PATCH v3 2/6] Add S3 state to DSDT. Handle resume event in the BIOS., Gleb Natapov, 2008/11/10
[Qemu-devel] [PATCH v3 3/6] Preserve memory content during SMM init., Gleb Natapov, 2008/11/10