From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Ritger Subject: Re: offer to help, DCB Date: Tue, 24 Sep 2013 11:19:38 -0700 Message-ID: <20130924181938.GD27823@parker.nvidia.com> References: <20130924044457.GA25785@parker.nvidia.com> <52413B42.9050101@canonical.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <52413B42.9050101-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nouveau-bounces+gcfxn-nouveau=m.gmane.org-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Errors-To: nouveau-bounces+gcfxn-nouveau=m.gmane.org-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org To: Maarten Lankhorst Cc: "nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" List-Id: nouveau.vger.kernel.org On Tue, Sep 24, 2013 at 12:12:02AM -0700, Maarten Lankhorst wrote: > Hey, > > Op 24-09-13 06:44, Andy Ritger schreef: > > Hi Nouveau developers, > > > > NVIDIA is releasing public documentation on certain aspects of our GPUs, > > with the intent to address areas that impact the out-of-the-box usability > > of NVIDIA GPUs with Nouveau. We intend to provide more documentation > > over time, and guidance in additional areas as we are able. > > > > As a first step towards that, we've posted a document here: > > > > ftp://download.nvidia.com/open-gpu-doc/DCB/1/DCB-4.0-Specification.html > > > > that documents the Device Control Block ("DCB") layout in the VBIOS. > > The DCB describes board topology and the board's display connectors. > > > > I suspect much of the information in that document is not news for > > the Nouveau community, but hopefully it will be helpful to confirm your > > understanding or flesh out the implementation of a few unhandled cases. > > > > A few of us who work on NVIDIA's proprietary Linux GPU driver will pay > > attention to nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org and try to chime in when > > we can. > > > > If there are specific areas of documentation that would most help you, that > > feedback would help NVIDIA prioritize our documentation efforts. > > > > If you have specific questions for NVIDIA, you can ask here, or direct > > them to: open-gpu-doc-DDmLM1+adcqXj1p+fO2waQ@public.gmane.org Sorry, I got the email address wrong. The right address is: gpu-public-documentation-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org sorry I didn't double check the address before sending the announcement. > > I can't promise we'll be able to answer > > everything, but we'll provide best-effort in areas where we are able. > You rock! :D :) Thanks, Maarten. > Our biggest struggle at the moment is the video clocking and power management, which is highly device specific > and depends on configuration too. Those will be two of the more difficult areas for us to address, but we'll see what can be done. > A complete video bios documentation would be nice too, I understand that will > take a bit longer than just the dcb. :) BIOS-related information should be a bit easier to get through the pipeline than other things, so we'll focus on that to start. I'm looking forward to collaborating with you guys, - Andy > ~Maarten