Messages in this thread | | | Subject | Re: [Linux-fbdev-devel] [PATCH]: EDID parser | From | Benjamin Herrenschmidt <> | Date | 03 Apr 2003 00:20:54 +0200 |
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> Let really good. I applied it to my local tree but haven't passed it to BK > fbdev yet. The only thing I like to see changed is get_EDID. At present it > accepts a struct pci_dev. Now for generic support for the intel platform > we can get this from the BIOS. You already have a patch that does this. > It doesn't need a struct pci_dev in this case. It is possible to get this > info from the i2c bus but I never seen any drivers do this. What data would > we have to pass in get the EDID inforamtion? So the question is how > generic will get_EDID end up being or will we have to have driver specfic > hooks since I don't pitcure i2c approaches being the same for each video > card. Petr didn't you attempt this with the matrox driver at one time?
get_EDID() has to be a driver specific hook
EDID via BIOS is a way to get it, BIOS emulation in userland is another, on PPC, I can retreive it from the firmware device-tree in a different way with some cards, and finally, I plan to implement i2c sooner or later with some drivers...
Ben.
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