[PATCH v3 06/11] drm/i915/display: Share intel_connector_needs_modeset()

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intel_connector_needs_modeset() will be used outside of
intel_display.c in a future patch so it would only be necessary to
remove the state and add the prototype to the header file.

But while at it, I simplified the arguments and moved it to a better
place intel_atomic.c.

That allowed us to convert the whole
intel_encoders_update_prepare/complete to intel types too.

No behavior changes intended here.

v3:
- removed digital from exported version of intel_connector_needs_modeset
- rollback connector to drm type

Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_atomic.c  | 18 +++++++
 drivers/gpu/drm/i915/display/intel_atomic.h  |  2 +
 drivers/gpu/drm/i915/display/intel_display.c | 53 ++++++--------------
 3 files changed, 36 insertions(+), 37 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c
index fd0026fc3618..b7dda18b6f29 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic.c
@@ -174,6 +174,24 @@ intel_digital_connector_duplicate_state(struct drm_connector *connector)
 	return &state->base;
 }
 
+/**
+ * intel_connector_needs_modeset - check if connector needs a modeset
+ */
+bool
+intel_connector_needs_modeset(struct intel_atomic_state *state,
+			      struct drm_connector *connector)
+{
+	const struct drm_connector_state *old_conn_state, *new_conn_state;
+
+	old_conn_state = drm_atomic_get_old_connector_state(&state->base, connector);
+	new_conn_state = drm_atomic_get_new_connector_state(&state->base, connector);
+
+	return old_conn_state->crtc != new_conn_state->crtc ||
+	       (new_conn_state->crtc &&
+		drm_atomic_crtc_needs_modeset(drm_atomic_get_new_crtc_state(&state->base,
+									    new_conn_state->crtc)));
+}
+
 /**
  * intel_crtc_duplicate_state - duplicate crtc state
  * @crtc: drm crtc
diff --git a/drivers/gpu/drm/i915/display/intel_atomic.h b/drivers/gpu/drm/i915/display/intel_atomic.h
index 7b49623419ba..a7d1a8576c48 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic.h
+++ b/drivers/gpu/drm/i915/display/intel_atomic.h
@@ -32,6 +32,8 @@ int intel_digital_connector_atomic_check(struct drm_connector *conn,
 					 struct drm_atomic_state *state);
 struct drm_connector_state *
 intel_digital_connector_duplicate_state(struct drm_connector *connector);
+bool intel_connector_needs_modeset(struct intel_atomic_state *state,
+				   struct drm_connector *connector);
 
 struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc *crtc);
 void intel_crtc_destroy_state(struct drm_crtc *crtc,
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 8e3e05cfcb27..0ee2e86a8826 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -6185,71 +6185,50 @@ intel_connector_primary_encoder(struct intel_connector *connector)
 	return encoder;
 }
 
-static bool
-intel_connector_needs_modeset(struct intel_atomic_state *state,
-			      const struct drm_connector_state *old_conn_state,
-			      const struct drm_connector_state *new_conn_state)
-{
-	struct intel_crtc *old_crtc = old_conn_state->crtc ?
-				      to_intel_crtc(old_conn_state->crtc) : NULL;
-	struct intel_crtc *new_crtc = new_conn_state->crtc ?
-				      to_intel_crtc(new_conn_state->crtc) : NULL;
-
-	return new_crtc != old_crtc ||
-	       (new_crtc &&
-		needs_modeset(intel_atomic_get_new_crtc_state(state, new_crtc)));
-}
-
 static void intel_encoders_update_prepare(struct intel_atomic_state *state)
 {
-	struct drm_connector_state *old_conn_state;
-	struct drm_connector_state *new_conn_state;
-	struct drm_connector *conn;
+	struct intel_digital_connector_state *new_connector_state;
+	struct intel_connector *connector;
 	int i;
 
-	for_each_oldnew_connector_in_state(&state->base, conn,
-					   old_conn_state, new_conn_state, i) {
+	for_each_new_intel_connector_in_state(state, connector,
+					      new_connector_state, i) {
 		struct intel_encoder *encoder;
 		struct intel_crtc *crtc;
 
-		if (!intel_connector_needs_modeset(state,
-						   old_conn_state,
-						   new_conn_state))
+		if (!intel_connector_needs_modeset(state, &connector->base))
 			continue;
 
-		encoder = intel_connector_primary_encoder(to_intel_connector(conn));
+		encoder = intel_connector_primary_encoder(connector);
 		if (!encoder->update_prepare)
 			continue;
 
-		crtc = new_conn_state->crtc ?
-			to_intel_crtc(new_conn_state->crtc) : NULL;
+		crtc = new_connector_state->base.crtc ?
+			to_intel_crtc(new_connector_state->base.crtc) : NULL;
 		encoder->update_prepare(state, encoder, crtc);
 	}
 }
 
 static void intel_encoders_update_complete(struct intel_atomic_state *state)
 {
-	struct drm_connector_state *old_conn_state;
-	struct drm_connector_state *new_conn_state;
-	struct drm_connector *conn;
+	struct intel_digital_connector_state *new_connector_state;
+	struct intel_connector *connector;
 	int i;
 
-	for_each_oldnew_connector_in_state(&state->base, conn,
-					   old_conn_state, new_conn_state, i) {
+	for_each_new_intel_connector_in_state(state, connector,
+					      new_connector_state, i) {
 		struct intel_encoder *encoder;
 		struct intel_crtc *crtc;
 
-		if (!intel_connector_needs_modeset(state,
-						   old_conn_state,
-						   new_conn_state))
+		if (!intel_connector_needs_modeset(state, &connector->base))
 			continue;
 
-		encoder = intel_connector_primary_encoder(to_intel_connector(conn));
+		encoder = intel_connector_primary_encoder(connector);
 		if (!encoder->update_complete)
 			continue;
 
-		crtc = new_conn_state->crtc ?
-			to_intel_crtc(new_conn_state->crtc) : NULL;
+		crtc = new_connector_state->base.crtc ?
+			to_intel_crtc(new_connector_state->base.crtc) : NULL;
 		encoder->update_complete(state, encoder, crtc);
 	}
 }
-- 
2.24.1

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