linux-kernel - Re: [PATCH v2] drm/mediatek: fix a typo

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Date:   Tue, 18 Oct 2016 17:44:59 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     Bibby Hsieh <bibby.hsieh@...iatek.com>
CC:     David Airlie <airlied@...ux.ie>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-mediatek@...ts.infradead.org>,
        Yingjoe Chen <yingjoe.chen@...iatek.com>,
        Cawa Cheng <cawa.cheng@...iatek.com>,
        Daniel Kurtz <djkurtz@...omium.org>,
        "Philipp Zabel" <p.zabel@...gutronix.de>,
        YT Shen <yt.shen@...iatek.com>,
        "Thierry Reding" <thierry.reding@...il.com>,
        Mao Huang <littlecvr@...omium.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        "Sascha Hauer" <kernel@...gutronix.de>
Subject: Re: [PATCH v2] drm/mediatek: fix a typo

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

On Tue, 2016-10-18 at 16:23 +0800, Bibby Hsieh wrote:
> If we want to set the hardware OD to relay mode,
> we have to set OD_CFG register rather than
> OD_RELAYMODE; otherwise, the system will access
> the wrong address.
> 
> Fixes: 7216436420414144646f5d8343d061355fd23483 ("drm/mediatek: set mt8173 dithering function")
> Cc: stable@...r.kernel.org # v4.9+
> Signed-off-by: Bibby Hsieh <bibby.hsieh@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> index df33b3c..aa5f20f 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -123,7 +123,7 @@ static void mtk_od_config(struct mtk_ddp_comp *comp, unsigned int w,
>  			  unsigned int bpc)
>  {
>  	writel(w << 16 | h, comp->regs + DISP_OD_SIZE);
> -	writel(OD_RELAYMODE, comp->regs + OD_RELAYMODE);
> +	writel(OD_RELAYMODE, comp->regs + OD_CFG);
>  	mtk_dither_set(comp, bpc, DISP_OD_CFG);
>  }
>