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.
v2: * none
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 407abd488005..28ed6b096fd0 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -1587,6 +1587,10 @@ __weak void samsung_dsim_plat_remove(struct samsung_dsim *priv) { }
+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; @@ -1666,6 +1670,7 @@ 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;
if (dsi->driver_data->platform_init) {