Re: [RFC PATCH v2 3/3] ARM: dts: exynos5420: add async-bridge clocks to disp1 power domain

[Javier Martinez Canillas]

Hello Kukjin,

On 02/06/2015 12:27 PM, Javier Martinez Canillas wrote:
> Hello Andrzej,
> 
> On 02/06/2015 11:55 AM, Andrzej Hajda wrote:
>> FIMD and MIXER IPs in disp1 power domain have async-bridges (to GSCALER),
>> therefore their clocks should be enabled during power domain switch.
>> 
>> Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
>> ---
>> Hi,
>> 
>> This is 2nd version of the patch. After decrypting manual and discussion
>> with Marek I guess this set of clocks is more apropriate - async-bridges
>> are present in MIXER and FIMD, so their clocks should be enabled.
>>
> 
> I just tested this version on my Exynos5420 Peach Pit and the power domain
> failed error does not happen anymore even after enabling and disabling the
> HDMI display several times.
> 
> Thanks a lot for fixing this since the dependency was not clear to me from
> reading the manual.
> 
>> The 1st version worked for me due to fact I have forgot to remove
>> clk_ignore_unused kernel boot option during tests ;)
>>
> 
> Yes, that has bitten me too many times as well :)
> 
>> Regards
>> Andrzej
>> ---
> 
> Best regards,
> Javier
> 

Could you please pick this patch and patches 1/2 and 2/3 from the series [0]?

These are needed to fix DISP1 power domain issues and HDMI on Exynos542x.

Thanks a lot and best regards,
Javier

[0]: https://lkml.org/lkml/2015/2/5/265


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