Re: [PATCH 86/89] drm/vc4: hdmi: Adjust HSM clock rate depending on pixel rate

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Hi Maxime,
On Mon, 2020-02-24 at 10:07 +0100, Maxime Ripard wrote:
> @@ -1460,6 +1456,7 @@ static int vc4_hdmi_dev_remove(struct platform_device
> *pdev)
>  }
>  
>  struct vc4_hdmi_variant bcm2835_variant = {
> +	.max_pixel_clock	= 148500000,

Just a reminder this might change in the close future:
https://www.spinics.net/lists/arm-kernel/msg793013.html

Regards,
Nicolas
j
>  	.audio_available	= true,
>  	.cec_available		= true,
>  	.registers		= vc4_hdmi_fields,
> diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h
> index cbb1d3ab85d7..ee9753255b68 100644
> --- a/drivers/gpu/drm/vc4/vc4_hdmi.h
> +++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
> @@ -38,6 +38,9 @@ struct vc4_hdmi_variant {
>  	/* Set to true when the CEC support is available */
>  	bool cec_available;
>  
> +	/* Maximum pixel clock supported by the controller (in Hz) */
> +	unsigned long long max_pixel_clock;
> +
>  	/* List of the registers available on that variant */
>  	const struct vc4_hdmi_register *registers;
>  

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