drm/i915/tc: Add/use helpers to retrieve TypeC port properties

Instead of directly accessing the TypeC port internal struct members,
add/use helpers to retrieve the corresponding properties.

No functional change.

Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210921002313.1132357-6-imre.deak@intel.com

1 files changed, 11 insertions, 20 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 04572ce6630f..0fe77854b455 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -288,7 +288,7 @@ static void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder,
 
 	if (IS_ALDERLAKE_P(i915) && intel_phy_is_tc(i915, phy)) {
 		intel_dp->DP |= ddi_buf_phy_link_rate(crtc_state->port_clock);
-		if (dig_port->tc_mode != TC_PORT_TBT_ALT)
+		if (!intel_tc_port_in_tbt_alt_mode(dig_port))
 			intel_dp->DP |= DDI_BUF_CTL_TC_PHY_OWNERSHIP;
 	}
 }
@@ -885,8 +885,7 @@ static void intel_ddi_get_power_domains(struct intel_encoder *encoder,
 
 	dig_port = enc_to_dig_port(encoder);
 
-	if (!intel_phy_is_tc(dev_priv, phy) ||
-	    dig_port->tc_mode != TC_PORT_TBT_ALT) {
+	if (!intel_tc_port_in_tbt_alt_mode(dig_port)) {
 		drm_WARN_ON(&dev_priv->drm, dig_port->ddi_io_wakeref);
 		dig_port->ddi_io_wakeref = intel_display_power_get(dev_priv,
 								   dig_port->ddi_io_power_domain);
@@ -1180,7 +1179,7 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
 	int n_entries, ln;
 	u32 val;
 
-	if (enc_to_dig_port(encoder)->tc_mode == TC_PORT_TBT_ALT)
+	if (intel_tc_port_in_tbt_alt_mode(enc_to_dig_port(encoder)))
 		return;
 
 	ddi_translations = encoder->get_buf_trans(encoder, crtc_state, &n_entries);
@@ -1317,7 +1316,7 @@ tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
 	u32 val, dpcnt_mask, dpcnt_val;
 	int n_entries, ln;
 
-	if (enc_to_dig_port(encoder)->tc_mode == TC_PORT_TBT_ALT)
+	if (intel_tc_port_in_tbt_alt_mode(enc_to_dig_port(encoder)))
 		return;
 
 	ddi_translations = encoder->get_buf_trans(encoder, crtc_state, &n_entries);
@@ -2084,7 +2083,7 @@ icl_program_mg_dp_mode(struct intel_digital_port *dig_port,
 	u8 width;
 
 	if (!intel_phy_is_tc(dev_priv, phy) ||
-	    dig_port->tc_mode == TC_PORT_TBT_ALT)
+	    intel_tc_port_in_tbt_alt_mode(dig_port))
 		return;
 
 	if (DISPLAY_VER(dev_priv) >= 12) {
@@ -2109,7 +2108,7 @@ icl_program_mg_dp_mode(struct intel_digital_port *dig_port,
 	switch (pin_assignment) {
 	case 0x0:
 		drm_WARN_ON(&dev_priv->drm,
-			    dig_port->tc_mode != TC_PORT_LEGACY);
+			    !intel_tc_port_in_legacy_mode(dig_port));
 		if (width == 1) {
 			ln1 |= MG_DP_MODE_CFG_DP_X1_MODE;
 		} else {
@@ -2354,7 +2353,6 @@ static void dg2_ddi_pre_enable_dp(struct intel_atomic_state *state,
 {
 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	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, crtc_state);
@@ -2378,8 +2376,7 @@ static void dg2_ddi_pre_enable_dp(struct intel_atomic_state *state,
 	intel_ddi_enable_clock(encoder, crtc_state);
 
 	/* 4. Enable IO power */
-	if (!intel_phy_is_tc(dev_priv, phy) ||
-	    dig_port->tc_mode != TC_PORT_TBT_ALT)
+	if (!intel_tc_port_in_tbt_alt_mode(dig_port))
 		dig_port->ddi_io_wakeref = intel_display_power_get(dev_priv,
 								   dig_port->ddi_io_power_domain);
 
@@ -2468,7 +2465,6 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state,
 {
 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	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, crtc_state);
@@ -2505,8 +2501,7 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state,
 	intel_ddi_enable_clock(encoder, crtc_state);
 
 	/* 5. If IO power is controlled through PWR_WELL_CTL, Enable IO Power */
-	if (!intel_phy_is_tc(dev_priv, phy) ||
-	    dig_port->tc_mode != TC_PORT_TBT_ALT) {
+	if (!intel_tc_port_in_tbt_alt_mode(dig_port)) {
 		drm_WARN_ON(&dev_priv->drm, dig_port->ddi_io_wakeref);
 		dig_port->ddi_io_wakeref = intel_display_power_get(dev_priv,
 								   dig_port->ddi_io_power_domain);
@@ -2611,7 +2606,6 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state,
 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	enum port port = encoder->port;
-	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, crtc_state);
@@ -2630,8 +2624,7 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state,
 
 	intel_ddi_enable_clock(encoder, crtc_state);
 
-	if (!intel_phy_is_tc(dev_priv, phy) ||
-	    dig_port->tc_mode != TC_PORT_TBT_ALT) {
+	if (!intel_tc_port_in_tbt_alt_mode(dig_port)) {
 		drm_WARN_ON(&dev_priv->drm, dig_port->ddi_io_wakeref);
 		dig_port->ddi_io_wakeref = intel_display_power_get(dev_priv,
 								   dig_port->ddi_io_power_domain);
@@ -2801,7 +2794,6 @@ static void intel_ddi_post_disable_dp(struct intel_atomic_state *state,
 	struct intel_dp *intel_dp = &dig_port->dp;
 	bool is_mst = intel_crtc_has_type(old_crtc_state,
 					  INTEL_OUTPUT_DP_MST);
-	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 
 	if (!is_mst)
 		intel_dp_set_infoframes(encoder, false,
@@ -2844,8 +2836,7 @@ static void intel_ddi_post_disable_dp(struct intel_atomic_state *state,
 	intel_pps_vdd_on(intel_dp);
 	intel_pps_off(intel_dp);
 
-	if (!intel_phy_is_tc(dev_priv, phy) ||
-	    dig_port->tc_mode != TC_PORT_TBT_ALT)
+	if (!intel_tc_port_in_tbt_alt_mode(dig_port))
 		intel_display_power_put(dev_priv,
 					dig_port->ddi_io_power_domain,
 					fetch_and_zero(&dig_port->ddi_io_wakeref));
@@ -3320,7 +3311,7 @@ intel_ddi_pre_pll_enable(struct intel_atomic_state *state,
 						intel_ddi_main_link_aux_domain(dig_port));
 	}
 
-	if (is_tc_port && dig_port->tc_mode != TC_PORT_TBT_ALT)
+	if (is_tc_port && !intel_tc_port_in_tbt_alt_mode(dig_port))
 		/*
 		 * Program the lane count for static/dynamic connections on
 		 * Type-C ports.  Skip this step for TBT.