[patch] VRAM detection in controlfb
Daniel Jacobowitz
drow at false.org
Mon Jun 5 03:48:44 EST 2000
On Sun, Jun 04, 2000 at 10:08:39AM -0500, Tony Mantler wrote:
> dcbi = data cache block invalidate. If you do this on a dirty cache block,
> data will be lost.
>
> dcbf = data cache block flush. If you do this on a block that isn't in a
> coherent state, data will be lost.
>
> If you have a block that's both dirty and incoherent... well, don't do that. :)
Ew. I wonder if that's our problem...
Dan
/--------------------------------\ /--------------------------------\
| Daniel Jacobowitz |__| SCS Class of 2002 |
| Debian GNU/Linux Developer __ Carnegie Mellon University |
| dan at debian.org | | dmj+ at andrew.cmu.edu |
\--------------------------------/ \--------------------------------/
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