On Fri, Mar 20, 2026 at 11:46:16AM +0100, Luca Ceresoli wrote: > dw-hdmi can operate in two different modes, depending on the platform data > as set by the driver: > > A. hdmi->plat_data->output_port = 0: > the HDMI output (port@1) in device tree is not used > > B. hdmi->plat_data->output_port = 1: > the HDMI output (port@1) is parsed to find the next bridge > > Only case B is supported when the DRM_BRIDGE_ATTACH_NO_CONNECTOR flag is > passed to the attach callback. Emit a warning when this is violated. Also > return -EINVAL which would be returned by drm_bridge_attach() right after > anyway. > > Signed-off-by: Luca Ceresoli <[email protected]> > > --- > > Note: Returning when teh warning triggers does not change the functional > behaviour of this function. It is not strictly necessary in this patch but > it will have to be done anyway in the following patch. > --- > drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 4 ++++ > 1 file changed, 4 insertions(+)
Reviewed-by: Liu Ying <[email protected]> -- Regards, Liu Ying
