On 23-11-20, 11:46, Robert Foss wrote: > 4k requires two dsi pipes, so don't report MODE_OK when only a > single pipe is configured. But rather report MODE_PANEL to > signal that requirements of the panel are not being met.
Acked-By: Vinod Koul <[email protected]> > Reported-by: Peter Collingbourne <[email protected]> > Suggested-by: Peter Collingbourne <[email protected]> > Signed-off-by: Robert Foss <[email protected]> > Tested-by: John Stultz <[email protected]> > --- > drivers/gpu/drm/bridge/lontium-lt9611.c | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c > b/drivers/gpu/drm/bridge/lontium-lt9611.c > index d734d9402c35..e8eb8deb444b 100644 > --- a/drivers/gpu/drm/bridge/lontium-lt9611.c > +++ b/drivers/gpu/drm/bridge/lontium-lt9611.c > @@ -867,8 +867,14 @@ static enum drm_mode_status > lt9611_bridge_mode_valid(struct drm_bridge *bridge, > const struct > drm_display_mode *mode) > { > struct lt9611_mode *lt9611_mode = lt9611_find_mode(mode); > + struct lt9611 *lt9611 = bridge_to_lt9611(bridge); > > - return lt9611_mode ? MODE_OK : MODE_BAD; > + if (!lt9611_mode) > + return MODE_BAD; > + else if (lt9611_mode->intfs > 1 && !lt9611->dsi1) > + return MODE_PANEL; > + else > + return MODE_OK; > } > > static void lt9611_bridge_pre_enable(struct drm_bridge *bridge) > -- > 2.27.0 -- ~Vinod
