Messages in this thread | | | Date | Sat, 18 Mar 2006 00:24:57 +0100 | From | Adrian Bunk <> | Subject | Re: [PATCH 05/21] Added no_overlay option and quirks to saa7134 |
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On Fri, Mar 17, 2006 at 05:54:34PM -0300, mchehab@infradead.org wrote: > > From: Mauro Carvalho Chehab <mchehab@infradead.org> > 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
--
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