Thread (3 messages) 3 messages, 2 authors, 2006-05-11

Re: [PATCH 4/12] atyfb: Remove unneeded calls to wait_for_idle

From: Ville Syrjälä <syrjala@sci.fi>
Date: 2006-05-01 10:20:36

On Sat, Apr 29, 2006 at 08:32:34AM +0800, Antonino A. Daplas wrote:
The drawing functions of atyfb is unecessary syncing the GPU which is affecting
performance.  Remove the calls, any direct access by fbcon to the framebuffer
will always be preceeded by a call to atyfb_sync().
Still works on my Mobility :) I'll try to test with older chips later 
this week, but I don't expect any problems. AFAIK the only case when an 
engine sync is necessary is 3D/scaler <-> 2D transition on pre-Rage Pro 
chips.

-- 
Ville Syrjälä
syrjala@sci.fi
http://www.sci.fi/~syrjala/


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