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.
Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
---
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 ea379cb0cc32..bc845ae100d4 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c
@@ -1723,6 +1723,10 @@ static const struct component_ops samsung_dsim_component_ops = {
.unbind = samsung_dsim_unbind,
};
+static const struct drm_bridge_timings samsung_dsim_bridge_timings = {
+ .input_bus_flags = DRM_BUS_FLAG_DE_LOW,
+};
+
static int samsung_dsim_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -1819,6 +1823,7 @@ static 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;
drm_bridge_add(&dsi->bridge);
--
2.25.1
