From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753181Ab1LAU2M (ORCPT ); Thu, 1 Dec 2011 15:28:12 -0500 Received: from mail-lpp01m010-f46.google.com ([209.85.215.46]:35079 "EHLO mail-lpp01m010-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752657Ab1LAU2L (ORCPT ); Thu, 1 Dec 2011 15:28:11 -0500 Date: Thu, 1 Dec 2011 21:29:10 +0100 From: Kristoffer Ericson To: Alan Cox Cc: patrik.r.jakobsson@gmail.com, linux-kernel@vger.kernel.org, greg@kroah.com Subject: Re: GMA500 support Message-ID: <20111201202909.GB7825@Boggieman> Reply-To: Kristoffer Ericson References: <20111121182910.GA2856@Boggieman> <20111123112847.57c20f8f@lxorguk.ukuu.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20111123112847.57c20f8f@lxorguk.ukuu.org.uk> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 23, 2011 at 11:28:47AM +0000, Alan Cox wrote: > On Mon, 21 Nov 2011 19:29:10 +0100 > Kristoffer Ericson wrote: > > > Greetings, > > > > Im syncing my gma500 tree to all the patches I see pass through the kernel mailinglist and > > its progressing well. > > However, It would be nice with an todo list or a more practical this-works list. I know > > its not a priority but would simplify alot for end users. > > If you configure it in the following should work on GMA500/600 > - internal laptop displays including backlight > - external svga > - mode setting via KMS > - framebuffer console > - the framebuffer X server (and once out generally Dave Airlie's generic > KMS X server) > - suspend/resume > > The following I know don't work > - Huge external displays so large they won't fit in 8MB at init time > (causes a crash) > - Using the vesa X server with it - this confuses stuff and isn't > fixable, it's a "wrong user configuration" > > Unsupported > - 2D hardware acceleration except console scrolling (as it seems to be > too slow to be useful). I may add some 2D bits later where they do help > (eg back to front blitting may be worth it just about) > - 3D engine (no public documentation) I understand that the chip is powerv SGX 535, any likelyhood of getting those datasheets opened by the company? > - Video playback acceleration. In theory there is enough info in the > VAAPI code for GMA500/600 that has been published and in the old > 'binary X/source kernel' driver to do this but someone will have to > work on it if they want it > - Dell Mini HDMI port. This seems to be some kind of external bridge > chip. Being a TV luddite I don't yet own an HDMI capable display to > test. > > And I'm sure we have a few bugs left ! > > Alan