[PATCH 4/6] drm/imx: support handling bridge timings bus flags

Stefan Agner
2018-09-05T05:21:49Z

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@agner.ch>
---
drivers/gpu/drm/imx/parallel-display.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index aefd04e18f93..ee5840cdb9ab 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -239,6 +239,13 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
if (ret && ret != -ENODEV)
return ret;

+ if (imxpd->bridge) {
+ const struct drm_bridge_timings *btimings = imxpd->bridge->timings;
+
+ if (btimings)
+ imxpd->bus_flags = btimings->bus_flags;
+ }
+
imxpd->dev = dev;

ret = imx_pd_register(drm, imxpd);
--
2.18.0