From mboxrd@z Thu Jan 1 00:00:00 1970 From: "suresh gani" Subject: Re: [PATCH] Intel FB pixel clock calculation fix Date: Wed, 12 Sep 2007 09:47:59 +0530 Message-ID: <9771bb700709112117w19a5be16v869d5326a5ce79a4@mail.gmail.com> References: <20070910225221.f0eaf22c.akpm@linux-foundation.org> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1IVJfs-0006R4-Ky for linux-fbdev-devel@lists.sourceforge.net; Tue, 11 Sep 2007 21:18:01 -0700 Received: from wa-out-1112.google.com ([209.85.146.181]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1IVJfs-0002wF-9x for linux-fbdev-devel@lists.sourceforge.net; Tue, 11 Sep 2007 21:18:00 -0700 Received: by wa-out-1112.google.com with SMTP id k22so104135waf for ; Tue, 11 Sep 2007 21:17:59 -0700 (PDT) In-Reply-To: Content-Disposition: inline List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-fbdev-devel-bounces@lists.sourceforge.net Errors-To: linux-fbdev-devel-bounces@lists.sourceforge.net To: linux-fbdev-devel@lists.sourceforge.net please send me a source code of framebuffer smaple applicatin program in embedded systems On 9/11/07, Krzysztof Halasa wrote: > Andrew Morton writes: > > >> Intel framebuffer mis-calculated pixel clocks. > > > and... what are the consequences of this miscalculation? I need to know > > such things so that I can decide whether a change is needed in 2.6.23. > And > > 2.6.22. > > The pixel clock (and thus both H and V sync) will be slower than > requested, so if you set the minimum allowed the display may not > sync. In case of really old CRT display it could theoretically > damage it. > > I'm using it with PAL TV (using RGB input - SCART connector) and > the bug prevented it from working at all (TV requirements are more > strict and made the bug visible). > > I think 2.6.22 would be overkill, .23 - not sure. > -- > Krzysztof Halasa > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2005. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Linux-fbdev-devel mailing list > Linux-fbdev-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/linux-fbdev-devel > -- Regards SURESH S GANI SOFTWARE ENGINEER. SPA COMPUTERS PVT LTD. -An Embedded Systems Company. HAL Second Stage Indiranagar. Bangalore-8. mob:9902703238 ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/