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Date:   Tue, 12 Mar 2019 16:52:53 +0100
From:   Maxime Ripard <maxime.ripard@bootlin.com>
To:     Sergey Suloev <ssuloev@orpaltech.com>
Cc:     linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: sun6i MIPI DSI driver EoTp
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Hi,

On Mon, Mar 11, 2019 at 09:43:36PM +0300, Sergey Suloev wrote:
> according to MIPI DSI spec chapter 8.8.2=A0 the EoTp packet can be enable=
d or
> disabled on the protocol level.
> It seems like that it might be required for the panel I am working on (Hi=
max
> HX8379A-based panel).
> Here is some crappy driver I found on github showing that it might be an
> issue=A0 [1]
>=20
> May I ask you if this feature supported by sun6i MIPI DSI driver and
> where ?
> As there is no datasheet available, could you please help to support this
> feature (if not yet) ?

I haven't seen any panel that used it so far, so I have no idea.

I guess this would be controlled through
SUN6I_DSI_BASIC_CTL0_HS_EOTP_EN in the driver.

> The second point is that the panel requires NON-BURST-WITH-SYNC-EVENTS mo=
de.
> Could it be a problem with the current driver?

That should be supported in -next

Maxime

--=20
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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