Performance improvement to vga arbitration

[Tiago Vignatti]

On Tue, Jun 22, 2010 at 10:00:05PM +0200, ext Mark Kettenis wrote:
> 
> Of course your diff is not in yet.  It will kill systems with cards
> that do need the legacy stuff.  And setting VGA_ARB_RSRC_NONE is
> totally wrong.  The cards will still need access to their framebuffer
> so minimally you want VGA_ARB_RSRC_NORMAL_MEM.
> 
> The proper way to handle this is to add to add the appropriate
> xf86VGAarbiterDeviceDecodes() call to the drivers that are known not
> to require VGA legacy access, and only bypass the arbiter once there
> are no devices left in the system that require legacy access.

Okay, I don't have time to review it now. Sorry. And FYI:

    http://vignatti.wordpress.com/2010/06/23/adopt-a-child-and-make-multi-card-work-on-linux/


Cheers,

             Tiago
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 197 bytes
Desc: Digital signature
URL: <http://lists.x.org/archives/xorg-devel/attachments/20100623/474d3787/attachment.pgp>