Messages in this thread | | | Subject | RE: [Linux-fbdev-devel] Re: Generic VESA framebuffer driver and Video card BOOT? | Date | Fri, 22 Oct 2004 10:16:23 -0700 | From | "Pallipadi, Venkatesh" <> |
| |
>-----Original Message----- >From: Kendall Bennett [mailto:KendallB@scitechsoft.com] >Sent: Friday, October 22, 2004 10:11 AM >To: Pallipadi, Venkatesh >Cc: linux-kernel@vger.kernel.org; >linux-fbdev-devel@lists.sourceforge.net >Subject: RE: [Linux-fbdev-devel] Re: Generic VESA framebuffer >driver and Video card BOOT? > >"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). >
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 code.
Thanks, Venki - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |