Re: [linuxsh-dev] Dreamcast BBA and Frame buffer

[NIIBE Y. <gn...@m1...>]

M. R. Brown wrote:
 > Hmm, if this fixes the problem then OK, but IIRC the other problem was that
 > the default 8139C DMA buffer was too large for the DC's 32K of BBA PCI DMA,
 > and it needed an #ifdef to select a smaller size.  I'll try to dig up my
 > original patches and post them.

Thanks.  The patch does fix _a_ problem, but it still does not work.
Yes, DC only has 32KB, and I think that we handle it correctly.
(Though, pci_free_consistent has not been implemented.)

 > I probably have the tables wrong for VGA using 640x480.  The current pvr2
 > driver is in dire need of an overhaul, it's one of the things on my "clean-up
 > list".  Does it at least start up in 640x480 in NTSC mode?

Well, it took time to get TV. :-)  Yes, it works.

--------------------
Console: switching to colour frame buffer device 80x30
fb0: NEC PowerVR2 frame buffer device, using 600k/8192k of video memory
fb0: Mode 640x480-16 pitch = 1280 cable: COMPOSITE video output: NTSC
--------------------

When I connect VGA adaptor, it goes like this.

--------------------
Console: switching to colour frame buffer device 80x30
fb0: NEC PowerVR2 frame buffer device, using 300k/8192k of video memory
fb0: Mode 640x240-16 pitch = 1280 cable: VGA video output: VGA
--------------------
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