linux-kernel - [PATCH v2 6/8] drm/imx: support handling bridge timings bus flags

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Message-Id: <20180912183222.25414-7-stefan@agner.ch>
Date:   Wed, 12 Sep 2018 11:32:20 -0700
From:   Stefan Agner <stefan@...er.ch>
To:     linus.walleij@...aro.org, Laurent.pinchart@...asonboard.com,
        airlied@...ux.ie, robh+dt@...nel.org, mark.rutland@....com,
        shawnguo@...nel.org, s.hauer@...gutronix.de, p.zabel@...gutronix.de
Cc:     kernel@...gutronix.de, fabio.estevam@....com, linux-imx@....com,
        architt@...eaurora.org, a.hajda@...sung.com, gustavo@...ovan.org,
        maarten.lankhorst@...ux.intel.com, sean@...rly.run,
        marcel.ziswiler@...adex.com, max.krummenacher@...adex.com,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Stefan Agner <stefan@...er.ch>
Subject: [PATCH v2 6/8] drm/imx: support handling bridge timings bus flags

A bridge might require specific settings for the pixel data on
the bus. Copy the bus flags from the bridge timings if a bridge
is in use.

Signed-off-by: Stefan Agner <stefan@...er.ch>
---
 drivers/gpu/drm/imx/parallel-display.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index aefd04e18f93..7798a0621df7 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -239,6 +239,9 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
 	if (ret && ret != -ENODEV)
 		return ret;
 
+	if (imxpd->bridge && imxpd->bridge->timings)
+		imxpd->bus_flags = imxpd->bridge->timings->input_bus_flags;
+
 	imxpd->dev = dev;
 
 	ret = imx_pd_register(drm, imxpd);
-- 
2.18.0