https://bugs.freedesktop.org/show_bug.cgi?id=83226
--- Comment #32 from Alex Deucher alexdeucher@gmail.com --- Created attachment 117948 --> https://bugs.freedesktop.org/attachment.cgi?id=117948&action=edit possible fix
(In reply to sweeneygj from comment #31)
Should the code test both the EDID and output_csc != BYPASS before attempting the range change?
Yes. Good catch. Patch attached.