Messages in this thread | | | From | "Kendall Bennett" <> | Date | Fri, 22 Oct 2004 10:10:43 -0700 | Subject | RE: [Linux-fbdev-devel] Re: Generic VESA framebuffer driver and Video card BOOT? |
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"Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com> 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 X.org. 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).
Regards,
--- Kendall Bennett Chief Executive Officer SciTech Software, Inc. Phone: (530) 894 8400 http://www.scitechsoft.com
~ SciTech SNAP - The future of device driver technology! ~
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