[PATCH 05/10] drm/sun4i: sun6i_mipi_dsi: Enable burst mode

From: Jagan Teki <jagan@amarulasolutions.com>
To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <maxime.ripard@bootlin.com>,
	Sean Paul <sean@poorly.run>, David Airlie <airlied@linux.ie>,
	Rob Herring <robh+dt@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
	Icenowy Zheng <icenowy@aosc.io>,
	Jernej Skrabec <jernej.skrabec@siol.net>,
	Vasily Khoruzhick <anarsoul@gmail.com>,
	Thierry Reding <thierry.reding@gmail.com>,
	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,
	Michael Trimarchi <michael@amarulasolutions.com>,
	TL Lim <tllim@pine64.org>,
	linux-sunxi@googlegroups.com
Cc: Jagan Teki <jagan@amarulasolutions.com>
Subject: [PATCH 05/10] drm/sun4i: sun6i_mipi_dsi: Enable burst mode
Date: Sat,  3 Nov 2018 15:38:55 +0530	[thread overview]
Message-ID: <20181103100900.30313-6-jagan@amarulasolutions.com> (raw)
In-Reply-To: <20181103100900.30313-1-jagan@amarulasolutions.com>

Enable video_mode_burst bit from dsi base control register
for burst mode display panels.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
 drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
index b6c01891df36..b18a01361f11 100644
--- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
+++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
@@ -421,6 +421,10 @@ static void sun6i_dsi_setup_burst(struct sun6i_dsi *dsi,
 	regmap_write(dsi->regs, SUN6I_DSI_BURST_LINE_REG,
 		     SUN6I_DSI_BURST_LINE_NUM(line_num) |
 		     SUN6I_DSI_BURST_LINE_SYNC_POINT(sync_point));
+
+	regmap_read(dsi->regs, SUN6I_DSI_BASIC_CTL_REG, &val);
+	val |= SUN6I_DSI_BASIC_CTL_VIDEO_BURST;
+	regmap_write(dsi->regs, SUN6I_DSI_BASIC_CTL_REG, val);
 }
 
 static void sun6i_dsi_setup_inst_loop(struct sun6i_dsi *dsi,
-- 
2.18.0.321.gffc6fa0e3

