From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266183AbUIAA7R (ORCPT ); Tue, 31 Aug 2004 20:59:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268767AbUIAA4x (ORCPT ); Tue, 31 Aug 2004 20:56:53 -0400 Received: from eta.fastwebnet.it ([213.140.2.50]:37840 "EHLO eta.fastwebnet.it") by vger.kernel.org with ESMTP id S269020AbUHaTbZ (ORCPT ); Tue, 31 Aug 2004 15:31:25 -0400 From: Paolo Ornati To: linux-kernel@vger.kernel.org Subject: 2.6.9-rc1: scrolling with tdfxfb 5 times slower Date: Tue, 31 Aug 2004 21:33:40 +0200 User-Agent: KMail/1.6.2 Cc: adaplas@pol.net MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <200408312133.40039.ornati@fastwebnet.it> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org The recent changes in frame buffer code seems to affect performance of scrolling on my system: Voodoo Banshee (tdfxfb) CONFIG: # # Graphics support # CONFIG_FB=y CONFIG_FB_3DFX=y # CONFIG_FB_3DFX_ACCEL is not set # # Console display driver support # CONFIG_VGA_CONSOLE=y # CONFIG_MDA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE=y # CONFIG_FONTS is not set CONFIG_FONT_8x8=y CONFIG_FONT_8x16=y Tests with "linux/MAINTAINERS" (time cat MAINTAINERS) 2.6.8.1 real 0m2.625s user 0m0.000s sys 0m2.621s 2.6.9-rc1 real 0m13.528s user 0m0.000s sys 0m13.553s Also many -mm kernels are affected... this is obvious because these patches come from Andrew's tree ;-) Any ideas? -- Paolo Ornati Gentoo Linux (kernel 2.6.9-rc1)