From 835524b9f12d2b5f4648cbd05e97ccb3d29f866f Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Fri, 13 Aug 2021 14:51:49 +0300
Subject: drm/i915/dp: pass crtc_state to intel_ddi_dp_level()
Git-commit: 0707570248b8b13008d0fca7cc4f6e1848f0d64f
Patch-mainline: v5.16-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

Needed in the future.

Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210813115151.19290-1-jani.nikula@intel.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/i915/display/intel_ddi.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 28087d2e6b1f..50a4aedcf9c6 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -1371,7 +1371,8 @@ static int translate_signal_level(struct intel_dp *intel_dp,
 	return 0;
 }
 
-static int intel_ddi_dp_level(struct intel_dp *intel_dp)
+static int intel_ddi_dp_level(struct intel_dp *intel_dp,
+			      const struct intel_crtc_state *crtc_state)
 {
 	u8 train_set = intel_dp->train_set[0];
 	u8 signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
@@ -1385,7 +1386,7 @@ dg2_set_signal_levels(struct intel_dp *intel_dp,
 		      const struct intel_crtc_state *crtc_state)
 {
 	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
-	int level = intel_ddi_dp_level(intel_dp);
+	int level = intel_ddi_dp_level(intel_dp, crtc_state);
 
 	intel_snps_phy_ddi_vswing_sequence(encoder, level);
 }
@@ -1395,7 +1396,7 @@ tgl_set_signal_levels(struct intel_dp *intel_dp,
 		      const struct intel_crtc_state *crtc_state)
 {
 	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
-	int level = intel_ddi_dp_level(intel_dp);
+	int level = intel_ddi_dp_level(intel_dp, crtc_state);
 
 	tgl_ddi_vswing_sequence(encoder, crtc_state, level);
 }
@@ -1405,7 +1406,7 @@ icl_set_signal_levels(struct intel_dp *intel_dp,
 		      const struct intel_crtc_state *crtc_state)
 {
 	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
-	int level = intel_ddi_dp_level(intel_dp);
+	int level = intel_ddi_dp_level(intel_dp, crtc_state);
 
 	icl_ddi_vswing_sequence(encoder, crtc_state, level);
 }
@@ -1415,7 +1416,7 @@ bxt_set_signal_levels(struct intel_dp *intel_dp,
 		      const struct intel_crtc_state *crtc_state)
 {
 	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
-	int level = intel_ddi_dp_level(intel_dp);
+	int level = intel_ddi_dp_level(intel_dp, crtc_state);
 
 	bxt_ddi_vswing_sequence(encoder, crtc_state, level);
 }
@@ -1426,7 +1427,7 @@ hsw_set_signal_levels(struct intel_dp *intel_dp,
 {
 	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	int level = intel_ddi_dp_level(intel_dp);
+	int level = intel_ddi_dp_level(intel_dp, crtc_state);
 	enum port port = encoder->port;
 	u32 signal_levels;
 
@@ -2332,7 +2333,7 @@ static void dg2_ddi_pre_enable_dp(struct intel_atomic_state *state,
 	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST);
-	int level = intel_ddi_dp_level(intel_dp);
+	int level = intel_ddi_dp_level(intel_dp, crtc_state);
 
 	intel_dp_set_link_params(intel_dp, crtc_state->port_clock,
 				 crtc_state->lane_count);
@@ -2445,7 +2446,7 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state,
 	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST);
-	int level = intel_ddi_dp_level(intel_dp);
+	int level = intel_ddi_dp_level(intel_dp, crtc_state);
 
 	intel_dp_set_link_params(intel_dp,
 				 crtc_state->port_clock,
@@ -2588,7 +2589,7 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state,
 	enum phy phy = intel_port_to_phy(dev_priv, port);
 	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST);
-	int level = intel_ddi_dp_level(intel_dp);
+	int level = intel_ddi_dp_level(intel_dp, crtc_state);
 
 	if (DISPLAY_VER(dev_priv) < 11)
 		drm_WARN_ON(&dev_priv->drm,
-- 
2.38.1