linux-kernel - Re: [PATCH 2/2] drm/mediatek: add fb swap in async

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Message-ID: <1581566763.12071.1.camel@mtksdaap41>
Date:   Thu, 13 Feb 2020 12:06:03 +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>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        YT Shen <yt.shen@...iatek.com>,
        Thierry Reding <thierry.reding@...il.com>,
        <linux-arm-kernel@...ts.infradead.org>, <tfiga@...omium.org>,
        <drinkcat@...omium.org>, <linux-kernel@...r.kernel.org>,
        <srv_heupstream@...iatek.com>
Subject: Re: [PATCH 2/2] drm/mediatek: add fb swap in async_update

Hi, Bibby:

On Thu, 2020-02-13 at 09:23 +0800, Bibby Hsieh wrote:
> Besides x, y position, width and height,
> fb also need updating in async update.
> 

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

> Fixes: 920fffcc8912 ("drm/mediatek: update cursors by using async atomic update")
> 
> Signed-off-by: Bibby Hsieh <bibby.hsieh@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_plane.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> index d32b494ff1de..e084c36fdd8a 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
> @@ -122,6 +122,7 @@ static void mtk_plane_atomic_async_update(struct drm_plane *plane,
>  	plane->state->src_y = new_state->src_y;
>  	plane->state->src_h = new_state->src_h;
>  	plane->state->src_w = new_state->src_w;
> +	swap(plane->state->fb, new_state->fb);
>  	state->pending.async_dirty = true;
>  
>  	mtk_drm_crtc_async_update(new_state->crtc, plane, new_state);

-- 
CK Hu <ck.hu@...iatek.com>