linux-kernel - Re: [PATCH v7 2/9] drm/mediatek: add *driver

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Date:   Tue, 6 Sep 2016 15:26:10 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     YT Shen <yt.shen@...iatek.com>
CC:     <dri-devel@...ts.freedesktop.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Daniel Kurtz <djkurtz@...omium.org>,
        Mao Huang <littlecvr@...omium.org>,
        Bibby Hsieh <bibby.hsieh@...iatek.com>,
        "Daniel Vetter" <daniel.vetter@...ll.ch>,
        Thierry Reding <thierry.reding@...il.com>,
        Jie Qiu <jie.qiu@...iatek.com>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        shaoming chen <shaoming.chen@...iatek.com>,
        Jitao Shi <jitao.shi@...iatek.com>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <srv_heupstream@...iatek.com>,
        Sascha Hauer <kernel@...gutronix.de>,
        <yingjoe.chen@...iatek.com>, <emil.l.velikov@...il.com>
Subject: Re: [PATCH v7 2/9] drm/mediatek: add *driver_data for different
 hardware settings

Hi, YT:

On Fri, 2016-09-02 at 19:24 +0800, YT Shen wrote:
> There are some hardware settings changed, between MT8173 & MT2701:
> DISP_OVL address offset changed, color format definition changed.
> DISP_RDMA fifo size changed.
> DISP_COLOR offset changed.
> MIPI_TX pll setting changed.
> And add prefix for mtk_ddp_main & mtk_ddp_ext & mutex_mod.
> 
> Signed-off-by: YT Shen <yt.shen@...iatek.com>
> ---

[snip...]

>  
> @@ -185,7 +183,8 @@ static void mtk_ovl_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
>  	writel_relaxed(pitch, comp->regs + DISP_REG_OVL_PITCH(idx));
>  	writel_relaxed(src_size, comp->regs + DISP_REG_OVL_SRC_SIZE(idx));
>  	writel_relaxed(offset, comp->regs + DISP_REG_OVL_OFFSET(idx));
> -	writel_relaxed(addr, comp->regs + DISP_REG_OVL_ADDR(idx));

DISP_REG_OVL_ADDR() is useless, so remove it.

> +	writel_relaxed(addr, comp->regs + comp->data->ovl.addr_offset
> +					+ idx * 0x20);
>  
>  	if (pending->enable)
>  		mtk_ovl_layer_on(comp, idx);


Regards,
CK