When the next bridge does not specify any bus flags, use the bridge->timings->input_bus_flags as fallback when propagating bus flags from next bridge to current bridge. Signed-off-by: Nikhil Devshatwar <nikhil.nd@xxxxxx> --- drivers/gpu/drm/drm_bridge.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index 64f0effb52ac..8353723323ab 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -975,6 +975,13 @@ drm_atomic_bridge_propagate_bus_flags(struct drm_bridge *bridge, * duplicate the "dummy propagation" logic. */ bridge_state->input_bus_cfg.flags = output_flags; + + /* + * Use the bridge->timings->input_bus_flags as fallback if the next bridge + * does not specify the flags + */ + if (!bridge_state->input_bus_cfg.flags) + bridge_state->input_bus_cfg.flags = bridge->timings->input_bus_flags; } /** -- 2.17.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
