drm: i2c encoder helper wrappers

Simplify life for drivers using an encoder-slave, so that they can make
their drm_encoder_helper_funcs const, rather than needing to dynamically
allocate and populate them.

Signed-off-by: Rob Clark <robdclark@gmail.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/include/drm/drm_encoder_slave.h b/include/drm/drm_encoder_slave.h
index b0c11a7809bb..8b9cc3671858 100644
--- a/include/drm/drm_encoder_slave.h
+++ b/include/drm/drm_encoder_slave.h
@@ -159,4 +159,24 @@ static inline void drm_i2c_encoder_unregister(struct drm_i2c_encoder_driver *dri
 
 void drm_i2c_encoder_destroy(struct drm_encoder *encoder);
 
+
+/*
+ * Wrapper fxns which can be plugged in to drm_encoder_helper_funcs:
+ */
+
+void drm_i2c_encoder_dpms(struct drm_encoder *encoder, int mode);
+bool drm_i2c_encoder_mode_fixup(struct drm_encoder *encoder,
+                const struct drm_display_mode *mode,
+                struct drm_display_mode *adjusted_mode);
+void drm_i2c_encoder_prepare(struct drm_encoder *encoder);
+void drm_i2c_encoder_commit(struct drm_encoder *encoder);
+void drm_i2c_encoder_mode_set(struct drm_encoder *encoder,
+                struct drm_display_mode *mode,
+                struct drm_display_mode *adjusted_mode);
+enum drm_connector_status drm_i2c_encoder_detect(struct drm_encoder *encoder,
+            struct drm_connector *connector);
+void drm_i2c_encoder_save(struct drm_encoder *encoder);
+void drm_i2c_encoder_restore(struct drm_encoder *encoder);
+
+
 #endif