[09/11] drm/i915: Turn intel_digital_port_connected() in a vfunc
diff mbox series

Message ID 20200121171100.4370-10-ville.syrjala@linux.intel.com
State New
Headers show
Series
  • drm/i915: Hotplug cleanups
Related show

Commit Message

Ville Syrjälä Jan. 21, 2020, 5:10 p.m. UTC
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Let's get rid of the platform if ladders in
intel_digital_port_connected() and make it a vfunc. Now the if
ladders are at the encoder initialization which makes them a bit
less convoluted.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_ddi.c      |  19 ++++
 .../drm/i915/display/intel_display_types.h    |   1 +
 drivers/gpu/drm/i915/display/intel_dp.c       | 107 +++++-------------
 drivers/gpu/drm/i915/display/intel_dp.h       |   6 +
 drivers/gpu/drm/i915/display/intel_tc.c       |   3 +-
 drivers/gpu/drm/i915/display/intel_tc.h       |   2 +-
 6 files changed, 60 insertions(+), 78 deletions(-)

Patch
diff mbox series

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index bbf1c0a243a2..d983860560cf 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -4890,6 +4890,25 @@  void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
 				port_name(port));
 	}
 
+	if (INTEL_GEN(dev_priv) >= 11) {
+		if (intel_phy_is_tc(dev_priv, phy))
+			intel_dig_port->connected = intel_tc_port_connected;
+		else
+			intel_dig_port->connected = icp_digital_port_connected;
+	} else if (IS_GEN9_LP(dev_priv)) {
+		intel_dig_port->connected = bxt_digital_port_connected;
+	} else if (port == PORT_A) {
+		if (INTEL_GEN(dev_priv) >= 8)
+			intel_dig_port->connected = bdw_digital_port_connected;
+		else
+			intel_dig_port->connected = ivb_digital_port_connected;
+	} else {
+		if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT)
+			intel_dig_port->connected = spt_digital_port_connected;
+		else
+			intel_dig_port->connected = cpt_digital_port_connected;
+	}
+
 	intel_infoframe_init(intel_dig_port);
 
 	return;
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 8c9cfafca195..2b308c612a02 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1371,6 +1371,7 @@  struct intel_digital_port {
 			       const struct drm_connector_state *conn_state);
 	u32 (*infoframes_enabled)(struct intel_encoder *encoder,
 				  const struct intel_crtc_state *pipe_config);
+	bool (*connected)(struct intel_encoder *encoder);
 };
 
 struct intel_dp_mst_encoder {
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 9956367712e9..4e1f73f80951 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5371,7 +5371,7 @@  static bool ibx_digital_port_connected(struct intel_encoder *encoder)
 	return I915_READ(SDEISR) & bit;
 }
 
-static bool cpt_digital_port_connected(struct intel_encoder *encoder)
+bool cpt_digital_port_connected(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	u32 bit;
@@ -5394,7 +5394,7 @@  static bool cpt_digital_port_connected(struct intel_encoder *encoder)
 	return I915_READ(SDEISR) & bit;
 }
 
-static bool spt_digital_port_connected(struct intel_encoder *encoder)
+bool spt_digital_port_connected(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	u32 bit;
@@ -5463,43 +5463,24 @@  static bool ilk_digital_port_connected(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 
-	if (encoder->hpd_pin == HPD_PORT_A)
-		return I915_READ(DEISR) & DE_DP_A_HOTPLUG;
-	else
-		return ibx_digital_port_connected(encoder);
+	return I915_READ(DEISR) & DE_DP_A_HOTPLUG;
 }
 
-static bool snb_digital_port_connected(struct intel_encoder *encoder)
+bool ivb_digital_port_connected(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 
-	if (encoder->hpd_pin == HPD_PORT_A)
-		return I915_READ(DEISR) & DE_DP_A_HOTPLUG;
-	else
-		return cpt_digital_port_connected(encoder);
+	return I915_READ(DEISR) & DE_DP_A_HOTPLUG_IVB;
 }
 
-static bool ivb_digital_port_connected(struct intel_encoder *encoder)
+bool bdw_digital_port_connected(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 
-	if (encoder->hpd_pin == HPD_PORT_A)
-		return I915_READ(DEISR) & DE_DP_A_HOTPLUG_IVB;
-	else
-		return cpt_digital_port_connected(encoder);
+	return I915_READ(GEN8_DE_PORT_ISR) & GEN8_PORT_DP_A_HOTPLUG;
 }
 
-static bool bdw_digital_port_connected(struct intel_encoder *encoder)
-{
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-
-	if (encoder->hpd_pin == HPD_PORT_A)
-		return I915_READ(GEN8_DE_PORT_ISR) & GEN8_PORT_DP_A_HOTPLUG;
-	else
-		return cpt_digital_port_connected(encoder);
-}
-
-static bool bxt_digital_port_connected(struct intel_encoder *encoder)
+bool bxt_digital_port_connected(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	u32 bit;
@@ -5522,31 +5503,17 @@  static bool bxt_digital_port_connected(struct intel_encoder *encoder)
 	return I915_READ(GEN8_DE_PORT_ISR) & bit;
 }
 
-static bool intel_combo_phy_connected(struct drm_i915_private *dev_priv,
-				      enum phy phy)
+bool icp_digital_port_connected(struct intel_encoder *encoder)
 {
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
+
 	if (HAS_PCH_MCC(dev_priv) && phy == PHY_C)
 		return I915_READ(SDEISR) & SDE_TC_HOTPLUG_ICP(PORT_TC1);
 
 	return I915_READ(SDEISR) & SDE_DDI_HOTPLUG_ICP(phy);
 }
 
-static bool icp_digital_port_connected(struct intel_encoder *encoder)
-{
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
-	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
-
-	if (intel_phy_is_combo(dev_priv, phy))
-		return intel_combo_phy_connected(dev_priv, phy);
-	else if (intel_phy_is_tc(dev_priv, phy))
-		return intel_tc_port_connected(dig_port);
-	else
-		MISSING_CASE(encoder->hpd_pin);
-
-	return false;
-}
-
 /*
  * intel_digital_port_connected - is the specified port connected?
  * @encoder: intel_encoder
@@ -5558,44 +5525,15 @@  static bool icp_digital_port_connected(struct intel_encoder *encoder)
  *
  * Return %true if port is connected, %false otherwise.
  */
-static bool __intel_digital_port_connected(struct intel_encoder *encoder)
-{
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-
-	if (HAS_GMCH(dev_priv)) {
-		if (IS_GM45(dev_priv))
-			return gm45_digital_port_connected(encoder);
-		else
-			return g4x_digital_port_connected(encoder);
-	}
-
-	if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP)
-		return icp_digital_port_connected(encoder);
-	else if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT)
-		return spt_digital_port_connected(encoder);
-	else if (IS_GEN9_LP(dev_priv))
-		return bxt_digital_port_connected(encoder);
-	else if (IS_GEN(dev_priv, 8))
-		return bdw_digital_port_connected(encoder);
-	else if (IS_GEN(dev_priv, 7))
-		return ivb_digital_port_connected(encoder);
-	else if (IS_GEN(dev_priv, 6))
-		return snb_digital_port_connected(encoder);
-	else if (IS_GEN(dev_priv, 5))
-		return ilk_digital_port_connected(encoder);
-
-	MISSING_CASE(INTEL_GEN(dev_priv));
-	return false;
-}
-
 bool intel_digital_port_connected(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	bool is_connected = false;
 	intel_wakeref_t wakeref;
 
 	with_intel_display_power(dev_priv, POWER_DOMAIN_DISPLAY_CORE, wakeref)
-		is_connected = __intel_digital_port_connected(encoder);
+		is_connected = dig_port->connected(encoder);
 
 	return is_connected;
 }
@@ -7634,6 +7572,23 @@  bool intel_dp_init(struct drm_i915_private *dev_priv,
 
 	intel_dig_port->hpd_pulse = intel_dp_hpd_pulse;
 
+	if (HAS_GMCH(dev_priv)) {
+		if (IS_GM45(dev_priv))
+			intel_dig_port->connected = gm45_digital_port_connected;
+		else
+			intel_dig_port->connected = g4x_digital_port_connected;
+	} else if (port == PORT_A) {
+		if (IS_IVYBRIDGE(dev_priv))
+			intel_dig_port->connected = ivb_digital_port_connected;
+		else
+			intel_dig_port->connected = ilk_digital_port_connected;
+	} else {
+		if (HAS_PCH_CPT(dev_priv))
+			intel_dig_port->connected = cpt_digital_port_connected;
+		else
+			intel_dig_port->connected = ibx_digital_port_connected;
+	}
+
 	if (port != PORT_A)
 		intel_infoframe_init(intel_dig_port);
 
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index 3da166054788..cf0df6f18734 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -116,6 +116,12 @@  void intel_dp_vsc_enable(struct intel_dp *intel_dp,
 void intel_dp_hdr_metadata_enable(struct intel_dp *intel_dp,
 				  const struct intel_crtc_state *crtc_state,
 				  const struct drm_connector_state *conn_state);
+bool cpt_digital_port_connected(struct intel_encoder *encoder);
+bool spt_digital_port_connected(struct intel_encoder *encoder);
+bool ivb_digital_port_connected(struct intel_encoder *encoder);
+bool bdw_digital_port_connected(struct intel_encoder *encoder);
+bool bxt_digital_port_connected(struct intel_encoder *encoder);
+bool icp_digital_port_connected(struct intel_encoder *encoder);
 bool intel_digital_port_connected(struct intel_encoder *encoder);
 
 static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index 7773169b7331..f498076b132c 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -477,8 +477,9 @@  static bool intel_tc_port_needs_reset(struct intel_digital_port *dig_port)
  * connected ports are usable, and avoids exposing to the users objects they
  * can't really use.
  */
-bool intel_tc_port_connected(struct intel_digital_port *dig_port)
+bool intel_tc_port_connected(struct intel_encoder *encoder)
 {
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	bool is_connected;
 
 	intel_tc_port_lock(dig_port);
diff --git a/drivers/gpu/drm/i915/display/intel_tc.h b/drivers/gpu/drm/i915/display/intel_tc.h
index 463f1b3c836f..faeccf3e4eb6 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.h
+++ b/drivers/gpu/drm/i915/display/intel_tc.h
@@ -11,7 +11,7 @@ 
 
 struct intel_digital_port;
 
-bool intel_tc_port_connected(struct intel_digital_port *dig_port);
+bool intel_tc_port_connected(struct intel_encoder *encoder);
 u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port);
 u32 intel_tc_port_get_pin_assignment_mask(struct intel_digital_port *dig_port);
 int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port);