linux-kernel - [RESEND PATCH v6 03/17] drm/mediatek: move dsi/dpi select input into mtk_ddp_sel

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Date:   Fri, 3 Jan 2020 11:12:14 +0800
From:   Yongqiang Niu <yongqiang.niu@...iatek.com>
To:     CK Hu <ck.hu@...iatek.com>, Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        Yongqiang Niu <yongqiang.niu@...iatek.com>
Subject: [RESEND PATCH v6 03/17] drm/mediatek: move dsi/dpi select input into mtk_ddp_sel_in

move dsi/dpi select input into mtk_ddp_sel_in
DPI_SEL_IN_BLS is zero, it is same with hardware default setting,
DISP_REG_CONFIG_DPI_SEL no need set when bls connect with
dpi0

Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 7 +++----
 1 file changed, 3 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..d66ce31 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
@@ -376,6 +376,9 @@ 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_BLS && next == DDP_COMPONENT_DPI0) {
+		*addr = DISP_REG_CONFIG_DSI_SEL;
+		value = DSI_SEL_IN_RDMA;
 	} else {
 		value = 0;
 	}
@@ -393,10 +396,6 @@ 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);
 	}
 }
 
-- 
1.8.1.1.dirty