On 10/14/2012 04:41 AM, Bruno Pr?mont wrote: > > Your best solution is probably to write an EDID blob (or reuse one you find > somewhere) that provides at least one mode matching your TV's native mode > (probably full-HD). > > Google suggested the following document: > http://www.jordansmanuals.com/ServiceManuals%5CLG%5CTV%5CLCD%5C42LB9DF%5C42LB9DF%20Service%20Manual.pdf > which on page 13/14 shows the full EDID blob for the various HDMI outputs of the > TV. You may want to read that document, convert the EDID blobs to 512 bytes binary > files and hell DRM core to use the right one via module/kernel cmdline option: > > drm_kms_helper.edid_firmware=edid/lg42lb9df.edid > or > modprobe drm-kms-helper edid_firmware=edid/lg42lb9df.edid > > where > /lib/firmware/edid/lg42lb9df.edid > is the 512-bytes EDID blob created according to data from above manual. > (note, that will only work for intel, radeon and nouveau drivers but will > not work for closed drivers of AMD/nVidia) > This certainly looks doable. That firmware file, should it contain all 4 tables or just the one for the port I'm connected to? Will it matter what order they were in? Thanks Mark