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
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/ ------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid0709&bid&3057&dat1642