diff options
| -rw-r--r-- | drivers/gpu/drm/bridge/lontium-lt9611.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c index d734d9402c35..f93a1fa50893 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 || !lt9611) + 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) |