On Wednesday 22 March 2006 09:55, [EMAIL PROTECTED] wrote: > Hey all, > I was wondering, how exactly do DRI drivers interact with the PCIe bus?
Pretty much the same way they interact with the PCI or AGP busses. Various resource ranges of each device are memory-mapped into the drivers' address space and the registers poked. > The thought occurred to me that if the kernel provides the > functionality to call the bus, then perhaps there is a slim chance that > if I hack the kernel and intercept the command stream, I can learn how > fglrx sets up the video card. Maybe I'm totally off on my DRI theory > here; if so, please correct me. The r300 project has already done this. - ajax
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