linux-kernel - Re: [PATCH v1 2/2] drm/bridge/synopsys: dsi: Register list clean up

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Message-ID: <1756883.VEFg9PuGOc@avalon>
Date:   Thu, 20 Jul 2017 12:47:58 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Philippe CORNU <philippe.cornu@...com>
Cc:     Archit Taneja <architt@...eaurora.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        David Airlie <airlied@...ux.ie>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Yannick FERTRE <yannick.fertre@...com>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Vincent ABRIOU <vincent.abriou@...com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Gabriel FERNANDEZ <gabriel.fernandez@...com>,
        Ludovic BARRE <ludovic.barre@...com>,
        Fabien DESSENNE <fabien.dessenne@...com>,
        Mickael REULIER <mickael.reulier@...com>
Subject: Re: [PATCH v1 2/2] drm/bridge/synopsys: dsi: Register list clean up

Hi Philippe,

On Wednesday 19 Jul 2017 09:11:44 Philippe CORNU wrote:
> On 07/18/2017 03:39 PM, Laurent Pinchart wrote:
> > On Tuesday 18 Jul 2017 13:43:52 Philippe CORNU wrote:
> > 
> >> This patch cleans up the Synopsys mipi dsi register list:
> >> - remove unused registers
> > 
> > Is the documentation for the DSI transmitter core public ? If not, it
> > could be useful to keep unused registers for reference. That's nine
> > lines only. 
> 
> Hi Laurent,
> And many thanks for the code review.
> 
> Unfortunately the Synopsys Documentation seems not public (I may google 
> more), so I will put back these registers :)
> 
> Nevertheless, the stm32 documentation is public and it is probably the 
> same for rockchip (and hisilicon and...), and in these public 
> documentations, register and bitfield names are slightly different but 
> register addresses and bitfield descriptions are the same...

That's good to know, thanks.

> I do not know if it makes sense or not but we may ask Synopsys to 
> publicly release the mipi dsi documentation...

I'd love that. There's little chance it will happen, but it certainly won't if 
we don't ask.

> Did you manage to get it "publicly" for the Synopsys hdmi?

Unfortunately not :-( I don't even have access to Synopsys documentation under 
NDA.

-- 
Regards,

Laurent Pinchart