From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [PATCH] radeonfb: 16bpp accel broken. a work-around Date: Fri, 25 Jun 2004 00:26:56 -0700 Sender: linux-fbdev-devel-admin@lists.sourceforge.net Message-ID: <20040625002656.4d853a90.akpm@osdl.org> References: <20040616182415.GA8286@middle.of.nowhere> <20040617022100.GA11774@havoc.gtf.org> <20040617051931.GA1378@middle.of.nowhere> <20040617054746.GA24184@havoc.gtf.org> <20040618110450.GA2771@middle.of.nowhere> <20040625071819.GA12537@havoc.gtf.org> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1Bdl83-0007xn-Ut for linux-fbdev-devel@lists.sourceforge.net; Fri, 25 Jun 2004 00:28:07 -0700 Received: from fw.osdl.org ([65.172.181.6] helo=mail.osdl.org) by sc8-sf-mx1.sourceforge.net with esmtp (Exim 4.30) id 1Bdl83-0008VE-HT for linux-fbdev-devel@lists.sourceforge.net; Fri, 25 Jun 2004 00:28:07 -0700 In-Reply-To: <20040625071819.GA12537@havoc.gtf.org> Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: List-Post: List-Help: List-Subscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: David Eger Cc: thunder7@xs4all.nl, linux-fbdev-devel@lists.sourceforge.net David Eger wrote: > > I've tracked Jurriaan's radeonfb problem down to copyarea() malfunctioning > in 16bpp mode. Here's a hack to just do a software copyarea() in 16bpp mode. > No more screen garbage, but then it's slow :-/ > for instance, cat' ing the MAINTAINERS file: > 8bpp - ~1.5 sec > 16bpp - ~19 sec (with yucky fix) > 32bpp - ~6 sec > > -dte > > > radeonfb: 16bpp work-around - copyarea() doesn't work err, why not fix copyarea()? ------------------------------------------------------- This SF.Net email sponsored by Black Hat Briefings & Training. Attend Black Hat Briefings & Training, Las Vegas July 24-29 - digital self defense, top technical experts, no vendor pitches, unmatched networking opportunities. Visit www.blackhat.com