On Fri, Mar 17, 2006 at 05:54:34PM -0300, [email protected] wrote:
>
> From: Mauro Carvalho Chehab <[email protected]>
> Date: 1142020010 \-0300
>
> Some chipsets have several problems when pci to pci transfers are activated
> on overlay mode. the option no_overlay allows disabling such feature of
> the driver, in favor of keeping the system stable.
> The default is to use pcipci_fail flag defined on drivers/pci/quirks.c.
> It also allows the user to override it by forcing disable overlay or forcing
> enable. Forcing enable may generate PCI transfer corruption, including disk
> mass corruption, so should be used with care.
> Added a text description to this option and make messages looks the same at
> both bttv and saa7134 drivers.
>...
As far as I can see, the the no_overlay option in the saa7134 driver
doesn't change anything (except for a printk).
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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