Hi Am 21.05.22 um 04:49 schrieb Benjamin Herrenschmidt:
On Thu, 2022-05-19 at 09:27 +0200, Thomas Zimmermann wrote:to build without PCI to see what happens.If you bring any of the "heuristic" and palette support code in, you need PCI. I don't see any reason to take it out.Those old Macs use BootX, right? BootX is not supported ATM, as I don't have the HW to test. Is there an emulator for it?It isn't ? When did it break ? :-)
I meant that BootX is not (yet) supported by this new driver. The Linux kernel overall probably supports it.
If anyone what's to make patches for BootX, I'd be happy to add them. The offb driver also supports a number of special cases for palette handling. That might be necessary for ofdrm as well.The palette handling is useful when using a real Open Firmware implementation which tends to boot in 8-bit mode, so without palette things will look ... bad. It's not necessary when using 16/32 bpp framebuffers which is typically ... what BootX provides :-)
Maybe the odd color formats can be tested via qemu.I don't mind adding DRM support for BootX displays, but getting the necessary test HW with a suitable Linux seems to be laborious. Would a G4 Powerbook work?
Best regard Thomas
Cheers, Ben.Best regards ThomasGr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds-- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Ivo Totev
-- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Ivo Totev
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