On Mon, Feb 15, 2010 at 8:04 PM, Thomas Hellstrom <[email protected]> wrote:
> Hi, Dave!
>
> Could you point me to what's needed in drm fb setup to utilize the
> vesafb handover mechanism?
In intel_fb.c
/* setup aperture base/size for vesafb takeover */
info->aperture_base = dev->mode_config.fb_base;
if (IS_I9XX(dev))
info->aperture_size = pci_resource_len(dev->pdev, 2);
else
info->aperture_size = pci_resource_len(dev->pdev, 0);
The fb code then compare the aperture base/size against where
vesafb has setup its linear frame buffer and removes it on conflict.
Dave.
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