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

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Date:   Wed, 19 Jul 2017 09:11:44 +0000
From:   Philippe CORNU <philippe.cornu@...com>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.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



On 07/18/2017 03:39 PM, Laurent Pinchart wrote:
> Hi Philippe,
> 
> Thank you for the patch.
> 
> 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...
I do not know if it makes sense or not but we may ask Synopsys to 
publicly release the mipi dsi documentation...

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

>> - rename registers according to the Synopsys documentation
>>    (1.30 & 1.31)
>> - fix typos
>> - re-order registers for a better coherency
> 
> For the rest,
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> 

Thank you
Philippe

>> Signed-off-by: Philippe CORNU <philippe.cornu@...com>
>> ---
>>   drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 77 +++++++++---------------
>>   1 file changed, 33 insertions(+), 44 deletions(-)
>