[meta-freescale] linux-imx/linux-wandboard 3.10.17 kernel and HDMI display

Jacob Kroon jacob.kroon at gmail.com
Mon Mar 24 08:44:11 PDT 2014


Hi Otavio,

On Mon, 24 Mar 2014, Otavio Salvador wrote:

> Hello Kroon,
>
> On Mon, Mar 17, 2014 at 6:06 AM, Jacob Kroon <jacob.kroon at gmail.com> wrote:
>> Hi,
>>
>> Just some test reporting, I finally got the 3.10.17 linux-imx kernel from
>> meta-fsl-arm working with my Sony TV, but I had to revert commit
>>
>> ce224e3c4fc3c1b00a94641c28724be2adcd78be
>> "ENGR00288972 HDMI: unmask overflow interrupter when HDMI phy power on"
>>
>> otherwise the kernel would lockup once I plugged in the HDMI-cable.
>> This was on a Wandboard Solo. linux-wandboard 3.10.17 kernel from
>> meta-fsl-arm-extra showed the same problem, I didn't test if reverting the
>> same commit would solve the problem but I'm guessing so.
>
> Did you find out why this was  need?
>

Not the details I'm afraid, I used a JTAG adapter and saw that the kernel 
always got stuck in what looked like the hdmi interrupt handler, and this 
commit looked related, so I just tried with reverting it.

I'll try and look more into it once I have some free time.

> I am adding John and Trevor in Cc so they can comment on this.
>
> -- 
> Otavio Salvador                             O.S. Systems
> http://www.ossystems.com.br        http://code.ossystems.com.br
> Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750
>


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