lkml.org 
[lkml]   [2003]   [Apr]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRE: Subtle semantic issue with sleep callbacks in drivers
From
Date
On Llu, 2003-04-14 at 20:07, Grover, Andrew wrote:
> All I am saying is that on Windows, the driver gets no help from the
> BIOS, APM, or ACPI, but yet it restores the video to full working
> condition. I understand that this sounds complicated, but since there is
> an implementation that already does this then I think we have to assume
> it's possible. :) Perhaps we should start with older, simpler gfx hw, or
> maybe POST the bios, but only as an interim solution until gfx drivers
> get better in this area.

You might be suprised how much BIOS help they get. Im not at liberty to
discuss details but at least two vendors jump into bios space in their
ACPI recovery routines.

Older APM has compiled in support for a load of common video card
variants and also uses int10 on the resume 16bit path.

-
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 13:34    [W:0.037 / U:21.432 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site