linux-kernel - Re: [PATCH v2 3/5] drm/mediatek: Change disp/ddp term to mutex in mtk mutex driver

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Message-ID: <YAh2JGUUpMcgyke0@ziggy.stardust>
Date:   Wed, 20 Jan 2021 19:27:48 +0100
From:   Matthias Brugger <matthias.bgg@...nel.org>
To:     Chun-Kuang Hu <chunkuang.hu@...nel.org>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org, CK Hu <ck.hu@...iatek.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 3/5] drm/mediatek: Change disp/ddp term to mutex in
 mtk mutex driver

On Thu, Jan 07, 2021 at 07:17:27AM +0800, Chun-Kuang Hu wrote:
> From: CK Hu <ck.hu@...iatek.com>
> 
> mtk mutex is used by both drm and mdp driver, so change disp/ddp term to
> mutex to show that it's a common driver for drm and mdp.
> 
> Signed-off-by: CK Hu <ck.hu@...iatek.com>
> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_crtc.c |  30 +--
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c  |   2 +-
>  drivers/gpu/drm/mediatek/mtk_drm_drv.h  |   2 +-
>  drivers/gpu/drm/mediatek/mtk_mutex.c    | 305 ++++++++++++------------
>  drivers/gpu/drm/mediatek/mtk_mutex.h    |  26 +-
>  5 files changed, 182 insertions(+), 183 deletions(-)
> 
[...]
> diff --git a/drivers/gpu/drm/mediatek/mtk_mutex.c b/drivers/gpu/drm/mediatek/mtk_mutex.c
> index 1c8a253f4788..98a060bf225d 100644
> --- a/drivers/gpu/drm/mediatek/mtk_mutex.c
> +++ b/drivers/gpu/drm/mediatek/mtk_mutex.c
[...]
>  
> -static const struct of_device_id ddp_driver_dt_match[] = {
> +static const struct of_device_id mutex_driver_dt_match[] = {
>  	{ .compatible = "mediatek,mt2701-disp-mutex",
> -	  .data = &mt2701_ddp_driver_data},
> +	  .data = &mt2701_mutex_driver_data},
>  	{ .compatible = "mediatek,mt2712-disp-mutex",
> -	  .data = &mt2712_ddp_driver_data},
> +	  .data = &mt2712_mutex_driver_data},
>  	{ .compatible = "mediatek,mt8167-disp-mutex",
> -	  .data = &mt8167_ddp_driver_data},
> +	  .data = &mt8167_mutex_driver_data},
>  	{ .compatible = "mediatek,mt8173-disp-mutex",
> -	  .data = &mt8173_ddp_driver_data},
> +	  .data = &mt8173_mutex_driver_data},
>  	{},
>  };
> -MODULE_DEVICE_TABLE(of, ddp_driver_dt_match);
> +MODULE_DEVICE_TABLE(of, mutex_driver_dt_match);

I think it would make sense in a follow-up patch to update the binding
to use "mediatek,mt2701-mutex" to reflect that mutex is used for drm and
mdp driver. Make sense?

Regards,
Matthias