linux-kernel - Re: [RFC PATCH 0/3] staging: remove fbdev drivers

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Message-ID: <20161209081335.q2bnqmtoo2xtcgri@phenom.ffwll.local>
Date:   Fri, 9 Dec 2016 09:13:35 +0100
From:   Daniel Vetter <daniel@...ll.ch>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     Tomi Valkeinen <tomi.valkeinen@...com>,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Noralf Trønnes <noralf@...nnes.org>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        Teddy Wang <teddy.wang@...iconmotion.com>,
        Arnaud Patard <arnaud.patard@...-net.org>, airlied@...ux.ie,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/3] staging: remove fbdev drivers

On Fri, Dec 09, 2016 at 08:43:13AM +1100, Benjamin Herrenschmidt wrote:
> On Fri, 2016-12-09 at 08:23 +1100, Benjamin Herrenschmidt wrote:
> > > From memory, David claimed you cannot directly work on the fb with a "proper"
> > 
> > DRM driver. Maybe I misunderstood but then the DRM shines by its complete
> > absence of useful documentation 
> 
> That sentence should have been in the past, it does look like
> documentation has been landing in the tree this year ! yay ! I'll go
> off read it.

We've been building up that documentation for years now, not sure where
exactly you've looked in the past ;-)

And to make sure you're looking at the right stuff: Please run

$ make DOCBOOKS="" htmldocs

and then look at Documentation/output/gpu. Otherwise all the kerneldoc
stuff isn't pulled in, and a lot of the overview sections (not just
abi/struct docs) are in there.

And if something looks fishy or doesn't make sense, please raise it here
or on #dri-devel on freenode so that we can improve the docs.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch