On Wed, Jan 28, 2026 at 07:15:46PM +0800, Hongyang Zhao wrote: > The LT9611 has two DSI input ports. The driver currently assumes Port A > is always used for single-port configurations. However, some boards > connect DSI to Port B only. > > Update the driver to detect which ports are populated from devicetree > and configure the hardware accordingly: > > - If only port@1 (Port B) is populated, configure port swap (0x8303 > bit 6) and byte_clk source (0x8250 bit 3:2) for Port B operation > - If both ports are populated, use dual-port mode (Port A + B) > - If only port@0 (Port A) is populated, use single Port A (existing > behavior) > > Signed-off-by: Hongyang Zhao <[email protected]> > Reviewed-by: Roger Shimizu <[email protected]> > --- > drivers/gpu/drm/bridge/lontium-lt9611.c | 46 > +++++++++++++++++++++++---------- > 1 file changed, 32 insertions(+), 14 deletions(-) >
Reviewed-by: Dmitry Baryshkov <[email protected]> -- With best wishes Dmitry
