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From: CK Hu <ck.hu@mediatek.com>
To: Yongqiang Niu <yongqiang.niu@mediatek.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>,
	Rob Herring <robh+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	"David Airlie" <airlied@linux.ie>,
	Daniel Vetter <daniel@ffwll.ch>,
	Mark Rutland <mark.rutland@arm.com>,
	<dri-devel@lists.freedesktop.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-mediatek@lists.infradead.org>
Subject: Re: [PATCH v6, 02/14] drm/mediatek: move dsi/dpi select input into mtk_ddp_sel_in
Date: Thu, 2 Jan 2020 13:03:08 +0800	[thread overview]
Message-ID: <1577941388.24650.2.camel@mtksdaap41> (raw)
In-Reply-To: <1577937624-14313-3-git-send-email-yongqiang.niu@mediatek.com>

Hi, Yongqiang:

On Thu, 2020-01-02 at 12:00 +0800, Yongqiang Niu wrote:
> move dsi/dpi select input into mtk_ddp_sel_in
> 
> Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> index 39700b9..91c9b19 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -376,6 +376,12 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur,
>  	} else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
>  		*addr = DISP_REG_CONFIG_DSI_SEL;
>  		value = DSI_SEL_IN_BLS;
> +	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI0) {
> +		*addr = DISP_REG_CONFIG_DSI_SEL;
> +		value = DSI_SEL_IN_RDMA;

In original code, this is set when cur == DDP_COMPONENT_BLS and next ==
DDP_COMPONENT_DPI0. Why do you change the condition?

Regards,
CK

> +	} else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) {
> +		*addr = DISP_REG_CONFIG_DPI_SEL;
> +		value = DPI_SEL_IN_BLS;
>  	} else {
>  		value = 0;
>  	}
> @@ -393,10 +399,6 @@ static void mtk_ddp_sout_sel(struct regmap *config_regs,
>  	} else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) {
>  		regmap_write(config_regs, DISP_REG_CONFIG_OUT_SEL,
>  				BLS_TO_DPI_RDMA1_TO_DSI);
> -		regmap_write(config_regs, DISP_REG_CONFIG_DSI_SEL,
> -				DSI_SEL_IN_RDMA);
> -		regmap_write(config_regs, DISP_REG_CONFIG_DPI_SEL,
> -				DPI_SEL_IN_BLS);
>  	}
>  }
>  


  reply	other threads:[~2020-01-02  5:03 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-02  4:00 [PATCH v6, 00/14] add drm support for MT8183 Yongqiang Niu
2020-01-02  4:00 ` [PATCH v6, 01/14] arm64: dts: add display nodes for mt8183 Yongqiang Niu
2020-01-02  4:00 ` [PATCH v6, 02/14] drm/mediatek: move dsi/dpi select input into mtk_ddp_sel_in Yongqiang Niu
2020-01-02  5:03   ` CK Hu [this message]
2020-01-02  5:39     ` Yongqiang Niu
2020-01-02  6:02       ` CK Hu
2020-01-02  6:21         ` Yongqiang Niu
2020-01-02  6:40           ` CK Hu
2020-01-02  7:00             ` Yongqiang Niu
2020-01-02  4:00 ` [PATCH v6, 03/14] drm/mediatek: make sout select function format same with select input Yongqiang Niu
2020-01-02  4:00 ` [PATCH v6, 04/14] drm/mediatek: add mmsys private data for ddp path config Yongqiang Niu
2020-01-02  5:33   ` CK Hu
2020-01-02  5:45     ` Yongqiang Niu
2020-01-02  4:00 ` [PATCH v6, 05/14] drm/mediatek: move rdma sout from mtk_ddp_mout_en into mtk_ddp_sout_sel Yongqiang Niu
2020-01-02  4:00 ` [PATCH v6, 06/14] drm/mediatek: add connection from OVL0 to OVL_2L0 Yongqiang Niu
2020-01-02  4:00 ` [PATCH v6, 07/14] drm/mediatek: add connection from RDMA0 to COLOR0 Yongqiang Niu
2020-01-02  4:00 ` [PATCH v6, 08/14] drm/mediatek: add connection from RDMA1 to DSI0 Yongqiang Niu
2020-01-02  4:00 ` [PATCH v6, 09/14] drm/mediatek: add connection from OVL_2L0 to RDMA0 Yongqiang Niu
2020-01-02  4:00 ` [PATCH v6, 10/14] drm/mediatek: add connection from OVL_2L1 to RDMA1 Yongqiang Niu
2020-01-02  4:00 ` [PATCH v6, 11/14] drm/mediatek: add connection from DITHER0 to DSI0 Yongqiang Niu
2020-01-02  4:00 ` [PATCH v6, 12/14] drm/mediatek: add connection from RDMA0 " Yongqiang Niu
2020-01-02  4:00 ` [PATCH v6, 13/14] drm/mediatek: add fifo_size into rdma private data Yongqiang Niu
2020-01-02  5:20   ` CK Hu
2020-01-02  5:42     ` Yongqiang Niu
2020-01-02  7:31       ` CK Hu
2020-01-02  4:00 ` [PATCH v6, 14/14] drm/mediatek: add support for mediatek SOC MT8183 Yongqiang Niu
2020-01-02  5:46   ` CK Hu

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