linux-kernel - [PATCH v4 3/4] drm/msm/dsi: Add DATABUS_WIDEN MDP

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Message-ID: <20230822-add-widebus-support-v4-3-9dc86083d6ea@quicinc.com>
Date:   Tue, 22 Aug 2023 10:42:06 -0700
From:   Jessica Zhang <quic_jesszhan@...cinc.com>
To:     Rob Clark <robdclark@...il.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>,
        "Daniel Vetter" <daniel@...ll.ch>
CC:     <quic_abhinavk@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        Jessica Zhang <quic_jesszhan@...cinc.com>
Subject: [PATCH v4 3/4] drm/msm/dsi: Add DATABUS_WIDEN MDP_CTRL2 bit

Add a DATABUS_WIDEN bit to the MDP_CTRL2 register to allow DSI to enable
databus widen mode.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Jessica Zhang <quic_jesszhan@...cinc.com>
---
 drivers/gpu/drm/msm/dsi/dsi.xml.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/msm/dsi/dsi.xml.h b/drivers/gpu/drm/msm/dsi/dsi.xml.h
index a4a154601114..2a7d980e12c3 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.xml.h
+++ b/drivers/gpu/drm/msm/dsi/dsi.xml.h
@@ -664,6 +664,7 @@ static inline uint32_t DSI_CMD_MODE_MDP_CTRL2_INPUT_RGB_SWAP(enum dsi_rgb_swap v
 	return ((val) << DSI_CMD_MODE_MDP_CTRL2_INPUT_RGB_SWAP__SHIFT) & DSI_CMD_MODE_MDP_CTRL2_INPUT_RGB_SWAP__MASK;
 }
 #define DSI_CMD_MODE_MDP_CTRL2_BURST_MODE			0x00010000
+#define DSI_CMD_MODE_MDP_CTRL2_DATABUS_WIDEN			0x00100000
 
 #define REG_DSI_CMD_MODE_MDP_STREAM2_CTRL			0x000001b8
 #define DSI_CMD_MODE_MDP_STREAM2_CTRL_DATA_TYPE__MASK		0x0000003f

-- 
2.42.0