drm/i915: Split TGL DKL PHY buf trans per output type

Make the mess inside the buf trans funcs a bit more manageable by
splitting along the lines of output type.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200929233449.32323-10-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index f99575a..4c6bd44 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -1218,19 +1218,34 @@ tgl_get_combo_buf_trans(struct intel_encoder *encoder, int type, int rate,
 }
 
 static const struct tgl_dkl_phy_ddi_buf_trans *
-tgl_get_dkl_buf_trans(struct intel_encoder *encoder, int type, int rate,
-                     int *n_entries)
+tgl_get_dkl_buf_trans_hdmi(struct intel_encoder *encoder, int type, int rate,
+                          int *n_entries)
 {
-       if (type == INTEL_OUTPUT_HDMI) {
-               *n_entries = ARRAY_SIZE(tgl_dkl_phy_hdmi_ddi_trans);
-               return tgl_dkl_phy_hdmi_ddi_trans;
-       } else if (rate > 270000) {
+       *n_entries = ARRAY_SIZE(tgl_dkl_phy_hdmi_ddi_trans);
+       return tgl_dkl_phy_hdmi_ddi_trans;
+}
+
+static const struct tgl_dkl_phy_ddi_buf_trans *
+tgl_get_dkl_buf_trans_dp(struct intel_encoder *encoder, int type, int rate,
+                        int *n_entries)
+{
+       if (rate > 270000) {
                *n_entries = ARRAY_SIZE(tgl_dkl_phy_dp_ddi_trans_hbr2);
                return tgl_dkl_phy_dp_ddi_trans_hbr2;
+       } else {
+               *n_entries = ARRAY_SIZE(tgl_dkl_phy_dp_ddi_trans);
+               return tgl_dkl_phy_dp_ddi_trans;
        }
+}
 
-       *n_entries = ARRAY_SIZE(tgl_dkl_phy_dp_ddi_trans);
-       return tgl_dkl_phy_dp_ddi_trans;
+static const struct tgl_dkl_phy_ddi_buf_trans *
+tgl_get_dkl_buf_trans(struct intel_encoder *encoder, int type, int rate,
+                     int *n_entries)
+{
+       if (type == INTEL_OUTPUT_HDMI)
+               return tgl_get_dkl_buf_trans_hdmi(encoder, type, rate, n_entries);
+       else
+               return tgl_get_dkl_buf_trans_dp(encoder, type, rate, n_entries);
 }
 
 static int intel_ddi_hdmi_level(struct intel_encoder *encoder)