Messages in this thread | | | From | Fabio Estevam <> | Date | Sat, 14 Oct 2017 10:41:20 -0300 | Subject | Re: [PATCH 1/3] drm: bridge: synopsys/dw-hdmi: Enable cec clock |
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Hi Pierre,
On Sat, Oct 14, 2017 at 10:21 AM, Pierre-Hugues Husson <phh@phh.me> wrote:
> As far as I understand, dw_hdmi_cec_enable only gates > the CEC clock inside the Synopsis IP, > but the SOC still has to provide a specific CEC clock to it. > To enable such an external CEC clock, the binding documentation [1] > mentions a "cec" optional clock, and I'm not seeing any code in dw-hdmi > to enable it.
Ok, understood.
In the case of i.MX6 we control the CEC clock via HDMI_MC_CLKDIS_CECCLK_DISABLE bit inside the Synopsis IP.
Looks like Rockchip needs the external CEC clock then.
Regards,
Fabio Estevam
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