Performance improvement to vga arbitration
tiago.vignatti at nokia.com
Wed Jun 23 08:13:52 PDT 2010
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:
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