Re: cursing my yboot'd Lombard

[Michael Schmitz <schmitz@zirkon.biophys.uni-duesseldorf.de>]

> > Happens sometime, for reasons yet unknown. What seems to happen is
> > that the cursor changes color to black. Feel free to look up where
> > the cursor color gets set, and pepper the fbcon code with printk to find
> > where it goes wrong. 
> 
> However, the reason is known: the fbcon-* code draws the cursor by xor'ing the
> pixel values with a mask consisting of all 1's. This is not correct for
> directcolor modes (e.g. 16, 24 and 32 bpp on ATI Mach64), where the color of
> the cursor depends on what leftovers are present in the palette registers.

Thanks for the correction :-)

What should we initialize the palette registers to, in order to make the
cursor visible again? 
 
> The fix is to make fbcon-* use a mask in the 17th entry of
> display->dispsw_data[], and to make drivers fill in this field where
> appropriate.
> 
> About one month ago, Takashi Oe said that he was willing to work on this...

What would the proper mask to use be, and would it be the same for all
cards and bpp's? 

	Michael