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-rw-r--r--drivers/gpu/drm/drm_atomic_helper.c7
-rw-r--r--include/drm/drm_crtc_helper.h3
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index aac212297b49..8694ca9beee3 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -196,7 +196,12 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx)
}
funcs = connector->helper_private;
- new_encoder = funcs->best_encoder(connector);
+
+ if (funcs->atomic_best_encoder)
+ new_encoder = funcs->atomic_best_encoder(connector,
+ connector_state);
+ else
+ new_encoder = funcs->best_encoder(connector);
if (!new_encoder) {
DRM_DEBUG_ATOMIC("No suitable encoder found for [CONNECTOR:%d:%s]\n",
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index c8fc187061de..918aa68b5199 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -168,6 +168,7 @@ struct drm_encoder_helper_funcs {
* @get_modes: get mode list for this connector
* @mode_valid: is this mode valid on the given connector? (optional)
* @best_encoder: return the preferred encoder for this connector
+ * @atomic_best_encoder: atomic version of @best_encoder
*
* The helper operations are called by the mid-layer CRTC helper.
*/
@@ -176,6 +177,8 @@ struct drm_connector_helper_funcs {
enum drm_mode_status (*mode_valid)(struct drm_connector *connector,
struct drm_display_mode *mode);
struct drm_encoder *(*best_encoder)(struct drm_connector *connector);
+ struct drm_encoder *(*atomic_best_encoder)(struct drm_connector *connector,
+ struct drm_connector_state *connector_state);
};
extern void drm_helper_disable_unused_functions(struct drm_device *dev);