linux-kernel - [PATCH] drm/bridge: ti-sn65dsi86: Add necessary DSI flags

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Message-ID: <20250411092307.238398-1-j-choudhary@ti.com>
Date: Fri, 11 Apr 2025 14:53:07 +0530
From: Jayesh Choudhary <j-choudhary@...com>
To: <dianders@...omium.org>, <andrzej.hajda@...el.com>,
        <neil.armstrong@...aro.org>, <rfoss@...nel.org>,
        <Laurent.pinchart@...asonboard.com>, <dri-devel@...ts.freedesktop.org>
CC: <jonas@...boo.se>, <jernej.skrabec@...il.com>,
        <maarten.lankhorst@...ux.intel.com>, <mripard@...nel.org>,
        <tzimmermann@...e.de>, <airlied@...il.com>, <simona@...ll.ch>,
        <linux-kernel@...r.kernel.org>, <j-choudhary@...com>
Subject: [PATCH] drm/bridge: ti-sn65dsi86: Add necessary DSI flags

Enable NO_EOT and SYNC flags for DSI to use VIDEO_SYNC_PULSE_MODE
with EOT disabled.

Signed-off-by: Jayesh Choudhary <j-choudhary@...com>
---
 drivers/gpu/drm/bridge/ti-sn65dsi86.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index f72675766e01..8e9a7eb927da 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -707,7 +707,8 @@ static int ti_sn_attach_host(struct auxiliary_device *adev, struct ti_sn65dsi86
 	/* TODO: setting to 4 MIPI lanes always for now */
 	dsi->lanes = 4;
 	dsi->format = MIPI_DSI_FMT_RGB888;
-	dsi->mode_flags = MIPI_DSI_MODE_VIDEO;
+	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_NO_EOT_PACKET |
+			  MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
 
 	/* check if continuous dsi clock is required or not */
 	pm_runtime_get_sync(dev);
-- 
2.34.1