<pre>
Hi, Mac:

On Fri, 2023-11-24 at 16:53 +0800, mac.shen wrote:
> Add tee client application, HDCP 1.x and 2.x authentication for
> DisplayPort
> to support the HDCP feature.
>
> Signed-off-by: mac.shen <mac.shen@mediatek.com>
>

[snip]

> +
> +static void mhal_dp_tx_hdcp1x_set_repeater(struct mtk_hdcp_info
> *hdcp_info, bool enable)
> +{
> +if (enable)
> +mtk_dp_reg_update_bits(hdcp_info->regs,
> MTK_DP_TRANS_P0_34A4, BIT(15), BIT(15));
> +else
> +mtk_dp_reg_update_bits(hdcp_info->regs,
> MTK_DP_TRANS_P0_34A4, 0, BIT(15));
> +
> +#ifdef IF_ZERO
> +if (hdcp_info->hdcp1x_info.repeater) {
> +u8 temp;
> +
> +temp = BIT(0); /* REAUTHENTICATION_ENABLE_IRQ_HPD */
> +drm_dp_dpcd_write(hdcp_info->aux, DPCD_6803B, &temp,
> 1);
> +}
> +#endif

IF_ZERO is not defined, so remove these.

Regards,
CK

> +}
> +

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