The dsi_rr_formula() function has been unused for almost two years,
since
commit 44d4c6eebb
Author: Shobhit Kumar <shobhit.kumar@intel.com>
Date: Tue Dec 10 12:14:56 2013 +0530
drm/i915: Compute dsi_clk from pixel clock
citing the reason as pixel clock based calculation being recommended in
the MIPI host controller documentation. Remove the dead code, we can
always bring it back if it's needed.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1452249940-2605-2-git-send-email-jani.nikula@intel.com