[PATCH 04/10] drm: Add drm_connector_mask()

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Add drm_connector_mask() which returns the 1<<index for the connector.
We already have an identical drm_crtc_mask() for crtcs.

Mostly performed with coccinelle:
@@
@@
- (1<<drm_connector_index(
+ drm_connector_mask(
  ...)
-  )

@@
@@
- 1<<drm_connector_index(
+ drm_connector_mask(
  ...)

@@
@@
- BIT(drm_connector_index(
+ drm_connector_mask(
  ...)
- )

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/drm_atomic.c | 6 +++---
 include/drm/drm_connector.h  | 8 +++++++-
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 684c9d3a1d6c..d5cefb1cb2a2 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1700,7 +1700,7 @@ drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state,
 							   conn_state->crtc);
 
 		crtc_state->connector_mask &=
-			~(1 << drm_connector_index(conn_state->connector));
+			~drm_connector_mask(conn_state->connector);
 
 		drm_connector_put(conn_state->connector);
 		conn_state->crtc = NULL;
@@ -1712,7 +1712,7 @@ drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state,
 			return PTR_ERR(crtc_state);
 
 		crtc_state->connector_mask |=
-			1 << drm_connector_index(conn_state->connector);
+			drm_connector_mask(conn_state->connector);
 
 		drm_connector_get(conn_state->connector);
 		conn_state->crtc = crtc;
@@ -1839,7 +1839,7 @@ drm_atomic_add_affected_connectors(struct drm_atomic_state *state,
 	 */
 	drm_connector_list_iter_begin(state->dev, &conn_iter);
 	drm_for_each_connector_iter(connector, &conn_iter) {
-		if (!(crtc_state->connector_mask & (1 << drm_connector_index(connector))))
+		if (!(crtc_state->connector_mask & drm_connector_mask(connector)))
 			continue;
 
 		conn_state = drm_atomic_get_connector_state(state, connector);
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 14ab58ade87f..bf0f0f0786d3 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -1030,11 +1030,17 @@ int drm_mode_connector_attach_encoder(struct drm_connector *connector,
 				      struct drm_encoder *encoder);
 
 void drm_connector_cleanup(struct drm_connector *connector);
-static inline unsigned drm_connector_index(struct drm_connector *connector)
+
+static inline unsigned int drm_connector_index(const struct drm_connector *connector)
 {
 	return connector->index;
 }
 
+static inline u32 drm_connector_mask(const struct drm_connector *connector)
+{
+	return 1 << connector->index;
+}
+
 /**
  * drm_connector_lookup - lookup connector object
  * @dev: DRM device
-- 
2.16.4