drm/i915/dp: return errors from rate_to_index()
authorJani Nikula <jani.nikula@intel.com>
Tue, 28 Mar 2017 14:59:02 +0000 (17:59 +0300)
committerJani Nikula <jani.nikula@intel.com>
Thu, 6 Apr 2017 11:33:37 +0000 (14:33 +0300)
commitb5c72b207baaa33184b23a5a69603f981aaef0c1
tree9e2210dc5a9155741dc2aa93e92ef6e6fca547f7
parent3194102439f6acb0b43f36cc909c04adf3ad97e3
drm/i915/dp: return errors from rate_to_index()

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
drivers/gpu/drm/i915/intel_dp.c