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        | 30 ------------------------------
 drivers/gpu/drm/drm_atomic_helper.c | 10 ++++------
 drivers/gpu/drm/vc4/vc4_crtc.c      |  2 +-
 include/drm/drm_atomic.h            |  4 ----
 4 files changed, 5 insertions(+), 41 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 14b321580517..d3ed12447fbb 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1183,36 +1183,6 @@ 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:%s]\n",
-                        state, num_connected_connectors,
-                        crtc->base.id, crtc->name);
-
-       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 27dd68f946e6..13b771cb0d35 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -464,7 +464,8 @@ 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;
+               bool has_connectors =
+                       !!crtc_state->connector_mask;

                /*
                 * We must set ->active_changed after walking connectors for
@@ -493,10 +494,7 @@ 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 != has_connectors) {
                        DRM_DEBUG_ATOMIC("[CRTC:%d:%s] enabled/connectors 
mismatch\n",
                                         crtc->base.id, crtc->name);

@@ -1755,7 +1753,7 @@ 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 2168a99d59aa..aa7ed24a41c7 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 d8576ac55693..d3eaa5df187a 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

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