linux-kernel - Re: [PATCH 4/6] drm/rockchip: vop: round

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Message-ID: <3a0311c8-2db9-96d0-b241-f94040421397@rock-chips.com>
Date:   Fri, 4 Aug 2017 08:56:43 +0800
From:   Sandy Huang <sandy.huang@...k-chips.com>
To:     Mark Yao <mark.yao@...k-chips.com>,
        David Airlie <airlied@...ux.ie>,
        Heiko Stuebner <heiko@...ech.de>
Cc:     linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/6] drm/rockchip: vop: round_up pitches to word align



在 2017/7/31 17:49, Mark Yao 写道:
> VOP pitch register is word align, need align to word.
> 
> VOP_WIN0_VIR:
>    bit[31:16] win0_vir_stride_uv
>      Number of words of Win0 uv Virtual width
>    bit[15:0] win0_vir_width
>      Number of words of Win0 yrgb Virtual width
>      ARGB888 : win0_vir_width
>      RGB888 : (win0_vir_width*3/4) + (win0_vir_width%3)
>      RGB565 : ceil(win0_vir_width/2)
>      YUV : ceil(win0_vir_width/4)
> 
> Signed-off-by: Mark Yao <mark.yao@...k-chips.com>
> ---
>   drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 

Reviewed-by: Sandy huang <sandy.huang@...k-chips.com>