lkml.org 
[lkml]   [2004]   [Oct]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRE: [Linux-fbdev-devel] Re: Generic VESA framebuffer driver and Video card BOOT?
Date
From


>-----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/

\
 
 \ /
  Last update: 2005-03-22 14:07    [W:0.054 / U:2.828 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site