Re: radeonfb and 16bit color problem

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

>I thought that piece of code looked weird because it's setting green
>equal to rinfo->palette[regno<<1].green, but doesn't seem to ever use
>green during the rest of the function...

It should about 2 lines below ... at least in my tree.

>BTW, don't you mean 64 palette entries for green (being that it's 6
>bits)? 

Yah, sorry, typing too fast ;)

>Anyways, I took some time this weekend to look over the code
>some more, and I really doubt my problems originates in that function.
>As I understand it, the palette (colormap?) will only be used when
>displaying colors in text mode.

Hrm... there HW colormap is used in all modes in recent drivers, thus
you can actually set a gamma table. The driver should set it to a
linear ramp by default though that may be broken.

>My problem seems to affect many more colors (practically all 65536 of
>them), but I've yet to track it down.  I put in a request on ATI's
>website to get access to the specs (hoping that'll help me), but I
>haven't heard anything back from them yet.

Ben.



-------------------------------------------------------
This sf.net email is sponsored by: Jabber Inc.
Don't miss the IM event of the season | Special offer for OSDN members! 
JabConf 2002, Aug. 20-22, Keystone, CO http://www.jabberconf.com/osdn