Messages in this thread | | | From | (Alan Cox) | Subject | Re: Next round of console patches | Date | Tue, 1 Sep 1998 15:08:43 +0100 (BST) |
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> I offered once to be the bunny. My problem was mainly PCI resource > allocation: when writing 0xffffffff to a base register, the value returned > by some chips (only graphics chips to my knowledge) does not reflect the > space actually used.
Nod.
There is a chip table in the bttv driver giving which base register matches what PCI id, and the code to walk the busses to find it. Perhaps that should be extracted into a shared file and a flag set added (MTRR etc) (drivers/char/bttv.c)
I've only got S3 databooks here to check on the mmio register spaces. Cirrus Logic pdfs are on www.cirrus.com. Thats half of the worlds video cards covered already 8)
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