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SubjectRE: [Linux-fbdev-devel] Re: Generic VESA framebuffer driver and Video card BOOT?

>-----Original Message-----
>From: Kendall Bennett []
>Sent: Friday, October 22, 2004 10:11 AM
>To: Pallipadi, Venkatesh
>Subject: RE: [Linux-fbdev-devel] Re: Generic VESA framebuffer
>driver and Video card BOOT?
>"Pallipadi, Venkatesh" <> wrote:
>> I have done some experiments with this video post stuff. I think
>> this should be done using x86 emulator rather than doing in real
>> mode. The reason being, with an userlevel emulator we can call it
>> at different times during resume. The current real mode videopost
>> does it before the driver has restored the PCI config space. Some
>> systems (mostly the ones with Radeon card) requires this to be
>> done after PCI config space is restored. With a userspace
>> emulator, we can call it at various places during the driver
>> restore.
>> I have seen the SciTech's x86 emulator in I could seperate
>> it out from X into a stand alone application that does x86
>> emulation. I use it to get the video back on my laptop (which has
>> radeon card), by calling this user level emulator using
>> usermodehelper call. I hope we will have x86 emulator sitting in a
>> standard place in userspace. That way we can use it in driver
>> restore and solve the S3 video restore problem in a more generic
>> way.
>We already have all this code completely separate from X and would
>release this as part of the Video Boot package for Linux. The kernel
>module is one part of it, but the code can be compiled as a
>stand alone
>user land program as well (SNAPBoot we call it right now).

That is really nice to know. That will make "video on S3 resume" problem
go away on quite a few laptops. Will look forward to release of such a

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