drm/i915/display: Fix the encoder type check

For all ddi, encoder->type holds output type as ddi,
assigning it to individual o/p types is no more valid.

Fixes: 362bfb995b78 ("drm/i915/tgl: Add DKL PHY vswing table for HDMI")

v2: Rebase, no functional change.

Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200612082237.11886-1-vandita.kulkarni@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index d1acc39..ca7bb22 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -2615,7 +2615,7 @@ static void icl_ddi_vswing_sequence(struct intel_encoder *encoder,
 
 static void
 tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder, int link_clock,
-                               u32 level)
+                               u32 level, enum intel_output_type type)
 {
        struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
        enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port);
@@ -2623,7 +2623,7 @@ tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder, int link_clock,
        u32 n_entries, val, ln, dpcnt_mask, dpcnt_val;
        int rate = 0;
 
-       if (encoder->type != INTEL_OUTPUT_HDMI) {
+       if (type == INTEL_OUTPUT_HDMI) {
                struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
                rate = intel_dp->link_rate;
@@ -2676,7 +2676,7 @@ static void tgl_ddi_vswing_sequence(struct intel_encoder *encoder,
        if (intel_phy_is_combo(dev_priv, phy))
                icl_combo_phy_ddi_vswing_sequence(encoder, level, type);
        else
-               tgl_dkl_phy_ddi_vswing_sequence(encoder, link_clock, level);
+               tgl_dkl_phy_ddi_vswing_sequence(encoder, link_clock, level, type);
 }
 
 static u32 translate_signal_level(struct intel_dp *intel_dp, int signal_levels)