Re: [PATCH] drm/bridge: synopsys/dw-hdmi: set cec clock rate

From: Fabio Estevam
Date: Wed Jan 26 2022 - 15:33:14 EST


On Wed, Jan 26, 2022 at 5:25 PM Peter Geis <pgwipeout@xxxxxxxxx> wrote:

> +
> + ret = clk_set_rate(hdmi->cec_clk, HDMI_CEC_CLK_RATE);
> + if (ret)
> + dev_warn(hdmi->dev, "Cannot set HDMI cec clock rate: %d\n", ret);

You are setting the cec clock rate after it has been enabled, which
can be glitchy.

Better to set the rate prior to enabling the clock.