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From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: Sudipta GHOSH <sudipta.in@gmail.com>
Cc: linux-omap@vger.kernel.org, archit@ti.com
Subject: Re: DSS : DSI checksum error
Date: Mon, 22 Aug 2011 13:13:16 +0300	[thread overview]
Message-ID: <1314007996.2168.39.camel@deskari> (raw)
In-Reply-To: <CAHzTB4vGdCr-ps0gcNdCvKz7Q-CeOUZf9PCcUW=xsCvrSP9V0w@mail.gmail.com>

Hi,

Most likely it is caused by electrical interference with the transfer.
Or, while very unlikely if it happens only rarely, a HW bug in the panel
(or even in OMAP).

 Tomi

On Mon, 2011-08-22 at 13:05 +0300, Sudipta GHOSH wrote:
> Moi Tomi,
> 
> Have you ever encounter this error.
> 
> Looking some pointer what can cause checksum error.
> 
> Regards,
> Sudipta
> 
> On 18 August 2011 17:35, Sudipta GHOSH <sudipta.in@gmail.com> wrote:
> > Hi,
> >
> > Working DSS & Panel driver.
> >
> > Sometime I am getting checksum error from DSI when framebuffers are
> > sent to panel via DSI.
> >
> > omapdss DSI error:       ACK with ERROR (0x400):
> >
> > Wanted to know if some one has encounter similar error.
> >
> > When / what can cause this error?
> >
> > Regards,
> > Sudipta
> >



      reply	other threads:[~2011-08-22 10:13 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-18 14:35 DSS : DSI checksum error Sudipta GHOSH
2011-08-22 10:05 ` Sudipta GHOSH
2011-08-22 10:13   ` Tomi Valkeinen [this message]

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