On Sun, Sep 23, 2012 at 07:27:41PM +0200, Stefano Babic wrote: > > > > > I would like to see a handoff of display settings from U-Boot to > > the kernel, but that's also a tricky thing as long as we're supporting > > different mechanisms (DT in main-line and kernel parameters in > > older kernels). > > Yes, and a lot of other things. I know Anatolji implemented this > behavior for a PPC5121, but we cannot generalize. I agree that the > handoff is difficult and not maintainable. My question is different: if > the IPU drivers in kernel are compiled as modules, and I will load them > only after booting, and the framebuffer's memory is reserved so that the > kernel does not touch it, is there still a known reason because the IPU > should not run when we boot the kernel? I know this issue with USB, > maybe we have now the same with the IPU.
The clock framework disables all unused clocks in a late_initcall. when the IPU is compiled as a module, the IPU clock will be one of those. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
