drm/atomic: Remove drm_atomic_connectors_for_crtc.

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

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1451908400-25147-6-git-send-email-maarten.lankhorst@linux.intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

4 files changed, 5 insertions, 41 deletions

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 6050c80f1dbc..3f74193885f1 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1199,36 +1199,6 @@ 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 738104b68d26..57cccd68ca52 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -463,7 +463,8 @@ 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
@@ -492,10 +493,7 @@ 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);
 
@@ -1754,7 +1752,7 @@ 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 8d0d70e51ef2..018145e0b87d 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -328,7 +328,7 @@ 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