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From: Jagan Teki <jagan@amarulasolutions.com>
To: Maxime Ripard <maxime.ripard@bootlin.com>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Chen-Yu Tsai <wens@csie.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linux-sunxi@googlegroups.com,
	Jagan Teki <jagan@amarulasolutions.com>,
	Michael Trimarchi <michael@amarulasolutions.com>,
	linux-amarula@amarulasolutions.com, linux-clk@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 02/23] drm/sun4i: sun6i_mipi_dsi: Support instruction loop selection
Date: Fri,  1 Feb 2019 21:12:11 +0530
Message-ID: <20190201154232.10505-3-jagan@amarulasolutions.com> (raw)
In-Reply-To: <20190201154232.10505-1-jagan@amarulasolutions.com>

Instruction loop selection would require before writing
loop number registers, so enable idle, LP11 bits on
loop selection register.

Reference code available in BSP (from linux-sunxi/
drivers/video/sunxi/disp2/disp/de/lowlevel_sun50iw1/de_dsi.c)

(dsi_dev[sel]->dsi_inst_loop_sel.dwval = 2<<(4*DSI_INST_ID_LP11) |
	3<<(4*DSI_INST_ID_DLY);

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Merlijn Wajer <merlijn@wizzup.org>
---
 drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
index a5fcee750bee..813d5523f1c7 100644
--- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
+++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
@@ -403,6 +403,9 @@ static void sun6i_dsi_setup_inst_loop(struct sun6i_dsi *dsi,
 {
 	u16 delay = sun6i_dsi_setup_inst_delay(dsi, mode);
 
+	regmap_write(dsi->regs, SUN6I_DSI_INST_LOOP_SEL_REG,
+		     DSI_INST_ID_HSC  << (4 * DSI_INST_ID_LP11) |
+		     DSI_INST_ID_HSD  << (4 * DSI_INST_ID_DLY));
 	regmap_write(dsi->regs, SUN6I_DSI_INST_LOOP_NUM_REG(0),
 		     SUN6I_DSI_INST_LOOP_NUM_N0(50 - 1) |
 		     SUN6I_DSI_INST_LOOP_NUM_N1(delay));
-- 
2.18.0.321.gffc6fa0e3


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  parent reply index

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-01 15:42 [PATCH v7 00/23] drm/sun4i: Allwinner A64 MIPI-DSI support Jagan Teki
2019-02-01 15:42 ` [PATCH v7 01/23] drm/sun4i: sun6i_mipi_dsi: Compute burst mode loop N1 instruction delay Jagan Teki
2019-02-01 15:42 ` Jagan Teki [this message]
2019-02-01 15:42 ` [PATCH v7 03/23] drm/sun4i: sun6i_mipi_dsi: Setup burst mode timings Jagan Teki
2019-02-01 15:42 ` [PATCH v7 04/23] drm/sun4i: sun6i_mipi_dsi: Simplify drq to support all modes Jagan Teki
2019-02-01 15:42 ` [PATCH v7 05/23] drm/sun4i: tcon: Export get tcon0 routine Jagan Teki
2019-02-01 15:42 ` [PATCH v7 06/23] drm/sun4i: sun6i_mipi_dsi: Probe tcon0 during dsi_bind Jagan Teki
2019-02-01 15:42 ` [PATCH v7 07/23] drm/sun4i: sun6i_mipi_dsi: Setup burst mode Jagan Teki
2019-02-01 15:42 ` [PATCH v7 08/23] drm/sun4i: sun6i_mipi_dsi: Enable trail_inv and trail_fill controls Jagan Teki
2019-02-01 15:42 ` [PATCH v7 09/23] drm/sun4i: sun6i_mipi_dsi: Enable HBP, HSA_HSE for burst mode Jagan Teki
2019-02-01 15:42 ` [PATCH v7 10/23] drm/sun4i: tcon: Compute DCLK dividers based on format, lanes Jagan Teki
2019-02-01 15:42 ` [PATCH v7 11/23] dt-bindings: sun6i-dsi: Add VCC-DSI supply property Jagan Teki
2019-02-01 15:42 ` [PATCH v7 12/23] drm/sun4i: sun6i_mipi_dsi: Add support for VCC-DSI voltage regulator Jagan Teki
2019-02-01 15:42 ` [PATCH v7 13/23] dt-bindings: sun6i-dsi: Add A64 MIPI-DSI compatible Jagan Teki
2019-02-01 15:42 ` [PATCH v7 14/23] dt-bindings: sun6i-dsi: Add A64 DPHY compatible (w/ A31 fallback) Jagan Teki
2019-02-01 15:42 ` [PATCH v7 15/23] drm/sun4i: sun6i_mipi_dsi: Add has_mod_clk quirk Jagan Teki
2019-02-01 15:42 ` [PATCH v7 16/23] drm/sun4i: sun6i_mipi_dsi: Add Allwinner A64 MIPI DSI support Jagan Teki
2019-02-01 15:42 ` [PATCH v7 17/23] arm64: dts: allwinner: a64: Add MIPI DSI pipeline Jagan Teki
2019-02-01 15:42 ` [DO NOT MERGE][PATCH v7 18/23] arm64: allwinner: a64: pine64-lts: Enable Feiyang FY07024DI26A30-D DSI panel Jagan Teki
2019-02-01 15:42 ` [PATCH v7 19/23] drm/sun4i: sun6i_mipi_dsi: Add DSI Generic short write 2 param transfer Jagan Teki
2019-02-01 15:42 ` [DO NOT MERGE][PATCH v7 20/23] arm64: dts: allwinner: bananapi-m64: Bananapi S070WV20-CT16 DSI panel Jagan Teki
2019-02-01 15:42 ` [PATCH v7 21/23] drm/sun4i: sun6i_mipi_dsi: Fix DSI hbp timing value Jagan Teki
2019-02-01 15:42 ` [PATCH v7 22/23] drm/sun4i: sun6i_mipi_dsi: Fix DSI hfp " Jagan Teki
2019-02-01 15:42 ` [PATCH v7 23/23] arm64: dts: allwinner: a64-amarula-relic: Add Techstar TS8550B MIPI-DSI panel Jagan Teki
2019-02-01 15:48 ` [PATCH v7 00/23] drm/sun4i: Allwinner A64 MIPI-DSI support Maxime Ripard
2019-02-01 15:51   ` Jagan Teki
2019-02-12  9:46 ` Jagan Teki
2019-02-13  9:03   ` Maxime Ripard
2019-02-13  9:19     ` Jagan Teki
2019-02-14 16:41       ` Jagan Teki

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