Messages in this thread | | | Subject | Re: OLS and console rearchitecture | From | Alan Cox <> | Date | Thu, 05 Aug 2004 21:32:09 +0100 |
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On Iau, 2004-08-05 at 09:56, Helge Hafting wrote: > Isn't the "unique VGA" a disappearing problem?
Alas not.
> Please avoid unnecessary disabling of such devices, that only causes > trouble for those of use trying to use several screens at once. (Possibly > with several simultaneous _users_, who don't want their screen disabled > for no > good reason.) Of course one may have to buy the "right" cards when > setting up > such a machine.
The goal is to have a control device to arbitrate it. This doesn't generally cause a performance hit and X currently handles it internally using RAC but once you have multiple uses of VGA space the arbitration has to go kernel side
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