drm/i915: Pass lane count to bxt_ddi_phy_calc_lane_optmin_mask()

Pass lane count to bxt_ddi_phy_calc_lane_optmin_mask() instead of having
it extract that number from a pipe_config to decouple the phy code from
intel_crtc_state.

Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/a4977e0207e594953c4f9d1b5f2ef972a8679e74.1475770848.git-series.ander.conselvan.de.oliveira@intel.com

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index fb18d699ce1094916cb9a02dca4e0c2c3991c06e..1de0276eecdd9f6927ef98c11b5b62ae39545270 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -2190,9 +2190,9 @@ bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv,
 
 static uint8_t
 bxt_ddi_phy_calc_lane_lat_optim_mask(struct intel_encoder *encoder,
-                                    struct intel_crtc_state *pipe_config)
+                                    uint8_t lane_count)
 {
-       switch (pipe_config->lane_count) {
+       switch (lane_count) {
        case 1:
                return 0;
        case 2:
@@ -2200,7 +2200,7 @@ bxt_ddi_phy_calc_lane_lat_optim_mask(struct intel_encoder *encoder,
        case 4:
                return BIT(3) | BIT(2) | BIT(0);
        default:
-               MISSING_CASE(pipe_config->lane_count);
+               MISSING_CASE(lane_count);
 
                return 0;
        }
@@ -2417,7 +2417,7 @@ static bool intel_ddi_compute_config(struct intel_encoder *encoder,
        if (IS_BROXTON(dev_priv) && ret)
                pipe_config->lane_lat_optim_mask =
                        bxt_ddi_phy_calc_lane_lat_optim_mask(encoder,
-                                                            pipe_config);
+                                                            pipe_config->lane_count);
 
        return ret;