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From: Jagan Teki <jagan@amarulasolutions.com>
To: Andrzej Hajda <andrzej.hajda@intel.com>,
	Inki Dae <inki.dae@samsung.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Joonyoung Shim <jy0922.shim@samsung.com>,
	Seung-Woo Kim <sw0312.kim@samsung.com>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	Frieder Schrempf <frieder.schrempf@kontron.de>,
	Fancy Fang <chen.fang@nxp.com>,
	Tim Harvey <tharvey@gateworks.com>,
	Michael Nazzareno Trimarchi <michael@amarulasolutions.com>,
	Adam Ford <aford173@gmail.com>,
	Neil Armstrong <narmstrong@linaro.org>,
	Robert Foss <robert.foss@linaro.org>,
	Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	Tommaso Merciai <tommaso.merciai@amarulasolutions.com>,
	Marek Vasut <marex@denx.de>
Cc: Matteo Lisi <matteo.lisi@engicam.com>,
	dri-devel@lists.freedesktop.org,
	linux-samsung-soc@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	NXP Linux Team <linux-imx@nxp.com>,
	linux-amarula <linux-amarula@amarulasolutions.com>,
	Jagan Teki <jagan@amarulasolutions.com>
Subject: [PATCH v5 09/11] drm: bridge: samsung-dsim: Add input_bus_flags
Date: Fri, 16 Sep 2022 23:47:29 +0530	[thread overview]
Message-ID: <20220916181731.89764-10-jagan@amarulasolutions.com> (raw)
In-Reply-To: <20220916181731.89764-1-jagan@amarulasolutions.com>

eLCDIF is expecting to have input_bus_flags as DE_LOW in order to
set active low during valid data transfer on each horizontal line.

Add DE_LOW flag via drm bridge timings.

v5:
* rebased based on updated bridge changes

v4, v3, v2, v1:
* none

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
 drivers/gpu/drm/bridge/samsung-dsim.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index 527fef6f1ff6..a0f5438b7921 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c
@@ -1585,6 +1585,10 @@ static const struct samsung_dsim_host_ops samsung_dsim_generic_host_ops = {
 	.unregister_host = samsung_dsim_unregister_host,
 };
 
+static const struct drm_bridge_timings samsung_dsim_bridge_timings = {
+	.input_bus_flags = DRM_BUS_FLAG_DE_LOW,
+};
+
 int samsung_dsim_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -1665,6 +1669,7 @@ int samsung_dsim_probe(struct platform_device *pdev)
 
 	dsi->bridge.funcs = &samsung_dsim_bridge_funcs;
 	dsi->bridge.of_node = dev->of_node;
+	dsi->bridge.timings = &samsung_dsim_bridge_timings;
 	dsi->bridge.type = DRM_MODE_CONNECTOR_DSI;
 
 	if (dsi->plat_data->host_ops && dsi->plat_data->host_ops->register_host)
-- 
2.25.1


  parent reply	other threads:[~2022-09-16 18:19 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20220916181822eucas1p2bfdd1247b0297638620846586598f2a6@eucas1p2.samsung.com>
2022-09-16 18:17 ` [PATCH v5 00/11] drm: bridge: Add Samsung MIPI DSIM bridge Jagan Teki
2022-09-16 18:17   ` [PATCH v5 01/11] drm: exynos: dsi: Restore proper bridge chain order Jagan Teki
2022-09-16 18:17   ` [PATCH v5 03/11] drm: bridge: samsung-dsim: Lookup OF-graph or Child node devices Jagan Teki
2022-09-16 18:17   ` [PATCH v5 04/11] drm: bridge: samsung-dsim: Mark PHY as optional Jagan Teki
2022-09-16 18:17   ` [PATCH v5 05/11] drm: bridge: samsung-dsim: Handle proper DSI host initialization Jagan Teki
2022-09-16 18:17   ` [PATCH v5 06/11] drm: bridge: samsung-dsim: Add atomic_check Jagan Teki
2022-10-03  7:53     ` Marek Szyprowski
2022-09-16 18:17   ` [PATCH v5 07/11] drm: bridge: samsung-dsim: Add platform PLL_P (PMS_P) offset Jagan Teki
2022-09-16 18:17   ` [PATCH v5 08/11] drm: bridge: samsung-dsim: Add atomic_get_input_bus_fmts Jagan Teki
2022-09-16 18:17   ` Jagan Teki [this message]
2022-09-16 18:17   ` [PATCH v5 10/11] dt-bindings: display: exynos: dsim: Add NXP i.MX8MM support Jagan Teki
2022-09-16 18:17   ` [PATCH v5 11/11] drm: bridge: samsung-dsim: Add " Jagan Teki
2022-09-19 21:43   ` [PATCH v5 00/11] drm: bridge: Add Samsung MIPI DSIM bridge Tim Harvey
2022-09-23  8:31     ` Jagan Teki
2022-09-23  7:34   ` Marek Szyprowski
2022-09-23  8:31     ` Jagan Teki

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