drm/i915/dp: localize link rate index variable more

Localize link_rate_index to the if block, and rename to just index to
reduce indent.

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/d348d990c96705427b93c1cac8c3e4447d06eebf.1491485983.git.jani.nikula@intel.com

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 95f2278..6f74349 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1636,7 +1636,6 @@ intel_dp_compute_config(struct intel_encoder *encoder,
        /* Conveniently, the link BW constants become indices with a shift...*/
        int min_clock = 0;
        int max_clock;
-       int link_rate_index;
        int bpp, mode_rate;
        int link_avail, link_clock;
        int common_len;
@@ -1680,11 +1679,13 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 
        /* Use values requested by Compliance Test Request */
        if (intel_dp->compliance.test_type == DP_TEST_LINK_TRAINING) {
-               link_rate_index = intel_dp_rate_index(intel_dp->common_rates,
-                                                     intel_dp->num_common_rates,
-                                                     intel_dp->compliance.test_link_rate);
-               if (link_rate_index >= 0)
-                       min_clock = max_clock = link_rate_index;
+               int index;
+
+               index = intel_dp_rate_index(intel_dp->common_rates,
+                                           intel_dp->num_common_rates,
+                                           intel_dp->compliance.test_link_rate);
+               if (index >= 0)
+                       min_clock = max_clock = index;
                min_lane_count = max_lane_count = intel_dp->compliance.test_lane_count;
        }
        DRM_DEBUG_KMS("DP link computation with max lane count %i "