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@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 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);