Re: radeon, apertures & memory mapping

On Mon, 2005-03-14 at 18:12 +1100, Benjamin Herrenschmidt wrote:

On Sun, 2005-03-13 at 23:28 -0500, Michel Dänzer wrote:

quoted

On Sun, 2005-03-13 at 17:43 +1100, Benjamin Herrenschmidt wrote:

quoted

And finally, I want to blank the screen (using the accel engine) before
setting the new mode, so that we come out "clean" of the mode setting
(without ugly artifact), and I will probably clean both fb's (simpler).

That would break X with UseFBDev.

How so ?

X assumes that the framebuffer (as in video RAM) contents are preserved
on mode switches.


-- 
Earthling Michel Dänzer      |     Debian (powerpc), X and DRI developer
Libre software enthusiast    |   http://svcs.affero.net/rm.php?r=daenzer