Hi Paul, On Sun, 12 August 2012 Paul Menzel <paulepanter@xxxxxxxxxxxxxxxxxxxxx> wrote: > Dear Linux folks, > > regarding modelines problems with some TVs [1] and EDID quirks, Ian sent > nice patches for [2], is there a way to test what modeline the DRM > subsystem would choose without actually attaching the device? > > The problem is, the TV is at a different place and I rarely have access > to it. So it would be great if I could just use some kind of simulator > and pass the EDID to it, what connector it is on (though this should not > matter) and I get the calculated modeline as a result. > > This should be enough since I already know what modeline works. I think you can, by plugging a monitor of your choice and injecting the EDID you want to test with drm_kms_helper's edid_firmware parameter. It will then load the EDID from /lib/firmware/ instead of asking the monitor. Select CONFIG_DRM_LOAD_EDID_FIRMWARE, then when loading drm_kms_helper.ko set edid_firmware=VGA1:edid/myedid.bin module option to load EDID from /lib/firmware/edid/myedid.bin. See also Documentation/EDID/HOWTO.txt Bruno > Thanks, > > Paul > > > [1] https://bugs.freedesktop.org/show_bug.cgi?id=26294 > [2] http://lists.freedesktop.org/archives/dri-devel/2012-August/026264.html _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
