drm/i915: kill intel_dp_link_clock()

Use drm_dp_bw_code_to_link_rate insead. It's the same thing, but
supports DP_LINK_BW_5_4 and is also used by the other drivers.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index f290438..b51043e 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -148,15 +148,6 @@ intel_dp_max_link_bw(struct intel_dp *intel_dp)
        return max_link_bw;
 }
 
-static int
-intel_dp_link_clock(uint8_t link_bw)
-{
-       if (link_bw == DP_LINK_BW_2_7)
-               return 270000;
-       else
-               return 162000;
-}
-
 /*
  * The units on the numbers in the next two are... bizarre.  Examples will
  * make it clearer; this one parallels an example in the eDP spec.
@@ -191,7 +182,8 @@ intel_dp_adjust_dithering(struct intel_dp *intel_dp,
                          struct drm_display_mode *mode,
                          bool adjust_mode)
 {
-       int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_dp));
+       int max_link_clock =
+               drm_dp_bw_code_to_link_rate(intel_dp_max_link_bw(intel_dp));
        int max_lanes = drm_dp_max_lane_count(intel_dp->dpcd);
        int max_rate, mode_rate;
 
@@ -722,12 +714,15 @@ intel_dp_mode_fixup(struct drm_encoder *encoder,
 
        for (clock = 0; clock <= max_clock; clock++) {
                for (lane_count = 1; lane_count <= max_lane_count; lane_count <<= 1) {
-                       int link_avail = intel_dp_max_data_rate(intel_dp_link_clock(bws[clock]), lane_count);
+                       int link_bw_clock =
+                               drm_dp_bw_code_to_link_rate(bws[clock]);
+                       int link_avail = intel_dp_max_data_rate(link_bw_clock,
+                                                               lane_count);
 
                        if (mode_rate <= link_avail) {
                                intel_dp->link_bw = bws[clock];
                                intel_dp->lane_count = lane_count;
-                               adjusted_mode->clock = intel_dp_link_clock(intel_dp->link_bw);
+                               adjusted_mode->clock = link_bw_clock;
                                DRM_DEBUG_KMS("DP link bw %02x lane "
                                                "count %d clock %d bpp %d\n",
                                       intel_dp->link_bw, intel_dp->lane_count,