linux-kernel - Re: [PATCH V3,4/8] drm/mediatek: fix the rate and divder of hdmi phy for MT2701

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Date:   Mon, 28 Jan 2019 16:52:20 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     Wangyan Wang <wangyan.wang@...iatek.com>
CC:     Michael Turquette <mturquette@...libre.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Sean Wang <sean.wang@...iatek.com>,
        Ryder Lee <ryder.lee@...iatek.com>,
        "Colin Ian King" <colin.king@...onical.com>,
        <linux-clk@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <dri-devel@...ts.freedesktop.org>, <jitao.shi@...iatek.com>,
        <bibby.hsieh@...iatek.com>, <srv_heupstream@...iatek.com>,
        chunhui dai <chunhui.dai@...iatek.com>
Subject: Re: [PATCH V3,4/8] drm/mediatek: fix the rate and divder of hdmi
 phy for MT2701

On Fri, 2019-01-25 at 12:02 +0800, Wangyan Wang wrote:
> From: chunhui dai <chunhui.dai@...iatek.com>
> 
> Due to a clerical error,there is one zero less for 12800000.
> Fix it for 128000000.
> 

Reviewed-by: CK Hu <ck.hu@...iatek.com>

> Fixes: 0fc721b2968e ("drm/mediatek: add hdmi driver for MT2701 and MT7623")
> Signed-off-by: chunhui dai <chunhui.dai@...iatek.com>
> Signed-off-by: wangyan wang <wangyan.wang@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
> index 43bc058d5528..88dd9e812ca0 100644
> --- a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
> +++ b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
> @@ -114,8 +114,8 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
>  
>  	if (rate <= 64000000)
>  		pos_div = 3;
> -	else if (rate <= 12800000)
> -		pos_div = 1;
> +	else if (rate <= 128000000)
> +		pos_div = 2;
>  	else
>  		pos_div = 1;
>