[PATCH 8/9] drm/atomic: Remove drm_atomic_connectors_for_crtc.

[Maarten Lankhorst]

Now that connector_mask is reliable there's no need for this
function any more.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
---
 drivers/gpu/drm/drm_atomic.c        | 29 -----------------------------
 drivers/gpu/drm/drm_atomic_helper.c |  9 ++-------
 drivers/gpu/drm/vc4/vc4_crtc.c      |  2 +-
 include/drm/drm_atomic.h            |  4 ----
 4 files changed, 3 insertions(+), 41 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 5789649a4099..9db2941f636e 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1162,35 +1162,6 @@ drm_atomic_add_affected_planes(struct drm_atomic_state *state,
 EXPORT_SYMBOL(drm_atomic_add_affected_planes);
 
 /**
- * drm_atomic_connectors_for_crtc - count number of connected outputs
- * @state: atomic state
- * @crtc: DRM crtc
- *
- * This function counts all connectors which will be connected to @crtc
- * according to @state. Useful to recompute the enable state for @crtc.
- */
-int
-drm_atomic_connectors_for_crtc(struct drm_atomic_state *state,
-			       struct drm_crtc *crtc)
-{
-	struct drm_connector *connector;
-	struct drm_connector_state *conn_state;
-
-	int i, num_connected_connectors = 0;
-
-	for_each_connector_in_state(state, connector, conn_state, i) {
-		if (conn_state->crtc == crtc)
-			num_connected_connectors++;
-	}
-
-	DRM_DEBUG_ATOMIC("State %p has %i connectors for [CRTC:%d]\n",
-			 state, num_connected_connectors, crtc->base.id);
-
-	return num_connected_connectors;
-}
-EXPORT_SYMBOL(drm_atomic_connectors_for_crtc);
-
-/**
  * drm_atomic_legacy_backoff - locking backoff for legacy ioctls
  * @state: atomic state
  *
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index cee31d43cd1c..fb79c54b2aed 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -420,8 +420,6 @@ drm_atomic_helper_check_modeset(struct drm_device *dev,
 	 * crtc only changed its mode but has the same set of connectors.
 	 */
 	for_each_crtc_in_state(state, crtc, crtc_state, i) {
-		int num_connectors;
-
 		/*
 		 * We must set ->active_changed after walking connectors for
 		 * otherwise an update that only changes active would result in
@@ -449,10 +447,7 @@ drm_atomic_helper_check_modeset(struct drm_device *dev,
 		if (ret != 0)
 			return ret;
 
-		num_connectors = drm_atomic_connectors_for_crtc(state,
-								crtc);
-
-		if (crtc_state->enable != !!num_connectors) {
+		if (crtc_state->enable != !!crtc_state->connector_mask) {
 			DRM_DEBUG_ATOMIC("[CRTC:%d] enabled/connectors mismatch\n",
 					 crtc->base.id);
 
@@ -1668,7 +1663,7 @@ static int update_output_state(struct drm_atomic_state *state,
 		if (crtc == set->crtc)
 			continue;
 
-		if (!drm_atomic_connectors_for_crtc(state, crtc)) {
+		if (!crtc_state->connector_mask) {
 			ret = drm_atomic_set_mode_prop_for_crtc(crtc_state,
 								NULL);
 			if (ret < 0)
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index 7a9f4768591e..d62a541110a3 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -327,7 +327,7 @@ static int vc4_crtc_atomic_check(struct drm_crtc *crtc,
 	/* The pixelvalve can only feed one encoder (and encoders are
 	 * 1:1 with connectors.)
 	 */
-	if (drm_atomic_connectors_for_crtc(state->state, crtc) > 1)
+	if (hweight32(state->connector_mask) > 1)
 		return -EINVAL;
 
 	drm_atomic_crtc_state_for_each_plane(plane, state) {
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 4b74c97d297a..cdc97589b5ce 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -130,10 +130,6 @@ int __must_check
 drm_atomic_add_affected_planes(struct drm_atomic_state *state,
 			       struct drm_crtc *crtc);
 
-int
-drm_atomic_connectors_for_crtc(struct drm_atomic_state *state,
-			       struct drm_crtc *crtc);
-
 void drm_atomic_legacy_backoff(struct drm_atomic_state *state);
 
 void
-- 
2.1.0