On Tue, Jul 27, 2010 at 03:29:20PM +0200, Ondrej Zary wrote: > Hello, > I was testing two CyberPro 2000 based PCI cards on x86 and the machine always > hanged completely when the cyber2000fb module was loaded. It seems that the > card hangs when some registers are accessed too quickly after writing RAMDAC > control register. With this patch, both card work. > > Add delay after RAMDAC control register write to prevent hangs on module load. This one on the other hand I think is rather too heavy. What might be better is to re-code the last register write to use the x86 outb_p() stuff to slow it down, rather than using udelay(). Could you try something along those lines please? -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
