The bridge might have special requirmentes on the input bus. This is e.g. used by the imx-nwl bridge. Robert, maybe you can add this patch to your 'Improvements and fixes for mxsfb DRM driver' since it depends on the first patch in this series anyway? Tested with 'Improvements and fixes for mxsfb DRM driver'[0] and 'drm: bridge: Add NWL MIPI DSI host controller support'[1] on next-20190725. [0]: https://patchwork.freedesktop.org/series/62822/ [1]: https://patchwork.freedesktop.org/series/64185/ Guido Günther (1): drm/mxsfb: Read bus flags from bridge if present drivers/gpu/drm/mxsfb/mxsfb_crtc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) -- 2.20.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel