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

[Javier Martinez Canillas <javier.martinez-ZGY8ohtN/8pPYcu2f3hruQ@public.gmane.org>]

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-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
> ---
> 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
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