linux-kernel - [PATCH 03/20] drm/mediatek: dsi: add support for .dsi_lp11

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Message-Id: <20240506-tc358775-fix-powerup-v1-3-545dcf00b8dd@kernel.org>
Date: Mon, 06 May 2024 15:34:32 +0200
From: Michael Walle <mwalle@...nel.org>
To: Andrzej Hajda <andrzej.hajda@...el.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
 Chun-Kuang Hu <chunkuang.hu@...nel.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Sam Ravnborg <sam@...nborg.org>, Vinay Simha BN <simhavcs@...il.com>, 
 Tony Lindgren <tony@...mide.com>
Cc: Daniel Semkowicz <dse@...umatec.com>, dri-devel@...ts.freedesktop.org, 
 linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org, 
 linux-arm-kernel@...ts.infradead.org, Michael Walle <mwalle@...nel.org>
Subject: [PATCH 03/20] drm/mediatek: dsi: add support for
 .dsi_lp11_notity()

drm_bridge_dsi_lp11_notify() shall be called while both the clock and
data lanes are still in LP-11 mode. Add the callback.

Signed-off-by: Michael Walle <mwalle@...nel.org>
---
 drivers/gpu/drm/mediatek/mtk_dsi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index ed45c9cc3137..d4a5a2bd591a 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -709,6 +709,7 @@ static void mtk_output_dsi_enable(struct mtk_dsi *dsi)
 
 	mtk_dsi_lane_ready(dsi);
 	mtk_dsi_set_mode(dsi);
+	drm_bridge_dsi_lp11_notify(dsi->next_bridge);
 	mtk_dsi_clk_hs_mode(dsi, 1);
 
 	dsi->enabled = true;

-- 
2.39.2