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From: CK Hu <ck.hu@mediatek.com>
To: jason-jh.lin <jason-jh.lin@mediatek.com>
Cc: Rob Herring <robh+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Chun-Kuang Hu <chunkuang.hu@kernel.org>, <fshao@chromium.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	"Enric Balletbo i Serra" <enric.balletbo@collabora.com>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Fabien Parent <fparent@baylibre.com>, <hsinyi@chromium.org>,
	Yongqiang Niu <yongqiang.niu@mediatek.com>,
	Jitao shi <jitao.shi@mediatek.com>, <nancy.lin@mediatek.com>,
	<singo.chang@mediatek.com>, <devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-mediatek@lists.infradead.org>,
	 <linux-kernel@vger.kernel.org>,
	<dri-devel@lists.freedesktop.org>
Subject: Re: [PATCH v8 12/13] drm/mediatek: add MERGE support for mediatek-drm
Date: Fri, 20 Aug 2021 17:37:47 +0800	[thread overview]
Message-ID: <1629452267.23725.3.camel@mtksdaap41> (raw)
In-Reply-To: <20210819022327.13040-13-jason-jh.lin@mediatek.com>

Hi, Jason:

On Thu, 2021-08-19 at 10:23 +0800, jason-jh.lin wrote:
> Add MERGE engine file:
> MERGE module is used to merge two slice-per-line inputs
> into one side-by-side output.
> 
> Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com>
> ---

[snip]

> +
> +int mtk_merge_clk_enable(struct device *dev)
> +{
> +	int ret = 0;
> +	struct mtk_disp_merge *priv = dev_get_drvdata(dev);
> +
> +	ret = clk_prepare_enable(priv->clk);
> +	if (ret)
> +		pr_err("merge clk prepare enable failed\n");
> +
> +	if (priv->async_clk) {

This checking is redundant.

> +		ret = clk_prepare_enable(priv->async_clk);
> +		if (ret)
> +			pr_err("async clk prepare enable failed\n");
> +	}
> +
> +	return ret;
> +}
> +
> +void mtk_merge_clk_disable(struct device *dev)
> +{
> +	struct mtk_disp_merge *priv = dev_get_drvdata(dev);
> +
> +	if (priv->async_clk)

Ditto.

Regards,
CK

> +		clk_disable_unprepare(priv->async_clk);
> +
> +	clk_disable_unprepare(priv->clk);
> +}
> +


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  reply	other threads:[~2021-08-20  9:40 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-19  2:23 [PATCH v8 00/13] Add Mediatek Soc DRM (vdosys0) support for mt8195 jason-jh.lin
2021-08-19  2:23 ` [PATCH v8 01/13] dt-bindings: arm: mediatek: mmsys: add mt8195 SoC binding jason-jh.lin
2021-08-19 15:00   ` Chun-Kuang Hu
2021-08-24 16:11     ` Jason-JH Lin
2021-08-19  2:23 ` [PATCH v8 02/13] dt-bindings: mediatek: display: split each block to individual yaml jason-jh.lin
2021-08-19  2:23 ` [PATCH v8 03/13] dt-bindings: mediatek: add mediatek, dsc.yaml for mt8195 SoC binding jason-jh.lin
2021-08-21 23:14   ` Chun-Kuang Hu
2021-08-24 17:59     ` [PATCH v8 03/13] dt-bindings: mediatek: add mediatek,dsc.yaml " Jason-JH Lin
2021-08-19  2:23 ` [PATCH v8 04/13] dt-bindings: mediatek: display: add " jason-jh.lin
2021-08-19  2:23 ` [PATCH v8 05/13] arm64: dts: mt8195: add display node for vdosys0 jason-jh.lin
2021-08-19  2:23 ` [PATCH v8 06/13] soc: mediatek: add mtk-mmsys support for mt8195 vdosys0 jason-jh.lin
2021-08-19  2:23 ` [PATCH v8 07/13] soc: mediatek: add mtk-mutex " jason-jh.lin
2021-08-19 15:12   ` Chun-Kuang Hu
2021-08-24 17:47     ` Jason-JH Lin
2021-08-19  2:23 ` [PATCH v8 08/13] drm/mediatek: remove unused define in mtk_drm_ddp_comp.c jason-jh.lin
2021-08-19 15:14   ` Chun-Kuang Hu
2021-08-19  2:23 ` [PATCH v8 09/13] drm/mediatek: rename the define of register offset jason-jh.lin
2021-08-19 15:17   ` Chun-Kuang Hu
2021-08-19  2:23 ` [PATCH v8 10/13] drm/mediatek: adjust to the alphabetic order for mediatek-drm jason-jh.lin
2021-08-19 23:14   ` Chun-Kuang Hu
2021-08-24 17:55     ` Jason-JH Lin
2021-08-19  2:23 ` [PATCH v8 11/13] drm/mediatek: add DSC support " jason-jh.lin
2021-08-19 23:16   ` Chun-Kuang Hu
2021-08-19  2:23 ` [PATCH v8 12/13] drm/mediatek: add MERGE " jason-jh.lin
2021-08-20  9:37   ` CK Hu [this message]
2021-08-20 15:43   ` Chun-Kuang Hu
2021-08-25  9:34     ` Jason-JH Lin
2021-08-19  2:23 ` [PATCH v8 13/13] drm/mediatek: add mediatek-drm of vdosys0 support for mt8195 jason-jh.lin

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