linux-kernel - Re: [v6,7/7] drm/rockchip: vop: rk3328: fix overlay abnormal

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Message-ID: <5979A77C.6000304@rock-chips.com>
Date:   Thu, 27 Jul 2017 16:42:36 +0800
From:   jeffy <jeffy.chen@...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: [v6,7/7] drm/rockchip: vop: rk3328: fix overlay abnormal

Hi mark,

On 07/26/2017 02:19 PM, Mark yao wrote:
> It's a hardware bug, all window's overlay channel reset
> value is same, hardware overlay would be die.
>
> so we must initial difference id for each overlay channel.
>
> The Channel register is supported on all vop will full design.
> Following is the details for this register
> VOP_WIN0_CTRL2
>    bit[7:4] win_rid_win0_cbr
>         axi read id of win0 cbr channel
>    bit[3:0] win_rid_win0_yrgb
>         axi read id of win0 yrgb channel
>
> Signed-off-by: Mark Yao<mark.yao@...k-chips.com>

Reviewed-by: Jeffy Chen <jeffy.chen@...k-chips.com>