drm/i915/dp: return errors from rate_to_index()

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We shouldn't silently use the first element if we can't find the rate
we're looking for. Make rate_to_index() more generally useful, and
fallback to the first element in the caller, with a big warning.

Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/8a6e83b7bf35da0cbbc703ae157944107ff145be.1490712890.git.jani.nikula@intel.com

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This commit is contained in:

Jani Nikula 2017-03-28 17:59:02 +03:00

parent 3194102439

commit b5c72b207b

1 changed files with 9 additions and 4 deletions

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drivers/gpu/drm/i915/intel_dp.c

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