drm: Move tile group code into drm_connector.c

And also put the overview section into the KMS Properties part of the
docs, instead of randomly-placed within the helpers - this is part of
the uabi.

With this patch I think drm_crtc.[hc] is cleaned up and entirely
documented.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

1 files changed, 0 insertions, 99 deletions

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 239b64c85098..159458b3c287 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -625,102 +625,3 @@ int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
 
 	return ret;
 }
-
-/**
- * DOC: Tile group
- *
- * Tile groups are used to represent tiled monitors with a unique
- * integer identifier. Tiled monitors using DisplayID v1.3 have
- * a unique 8-byte handle, we store this in a tile group, so we
- * have a common identifier for all tiles in a monitor group.
- */
-static void drm_tile_group_free(struct kref *kref)
-{
-	struct drm_tile_group *tg = container_of(kref, struct drm_tile_group, refcount);
-	struct drm_device *dev = tg->dev;
-	mutex_lock(&dev->mode_config.idr_mutex);
-	idr_remove(&dev->mode_config.tile_idr, tg->id);
-	mutex_unlock(&dev->mode_config.idr_mutex);
-	kfree(tg);
-}
-
-/**
- * drm_mode_put_tile_group - drop a reference to a tile group.
- * @dev: DRM device
- * @tg: tile group to drop reference to.
- *
- * drop reference to tile group and free if 0.
- */
-void drm_mode_put_tile_group(struct drm_device *dev,
-			     struct drm_tile_group *tg)
-{
-	kref_put(&tg->refcount, drm_tile_group_free);
-}
-
-/**
- * drm_mode_get_tile_group - get a reference to an existing tile group
- * @dev: DRM device
- * @topology: 8-bytes unique per monitor.
- *
- * Use the unique bytes to get a reference to an existing tile group.
- *
- * RETURNS:
- * tile group or NULL if not found.
- */
-struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev,
-					       char topology[8])
-{
-	struct drm_tile_group *tg;
-	int id;
-	mutex_lock(&dev->mode_config.idr_mutex);
-	idr_for_each_entry(&dev->mode_config.tile_idr, tg, id) {
-		if (!memcmp(tg->group_data, topology, 8)) {
-			if (!kref_get_unless_zero(&tg->refcount))
-				tg = NULL;
-			mutex_unlock(&dev->mode_config.idr_mutex);
-			return tg;
-		}
-	}
-	mutex_unlock(&dev->mode_config.idr_mutex);
-	return NULL;
-}
-EXPORT_SYMBOL(drm_mode_get_tile_group);
-
-/**
- * drm_mode_create_tile_group - create a tile group from a displayid description
- * @dev: DRM device
- * @topology: 8-bytes unique per monitor.
- *
- * Create a tile group for the unique monitor, and get a unique
- * identifier for the tile group.
- *
- * RETURNS:
- * new tile group or error.
- */
-struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev,
-						  char topology[8])
-{
-	struct drm_tile_group *tg;
-	int ret;
-
-	tg = kzalloc(sizeof(*tg), GFP_KERNEL);
-	if (!tg)
-		return ERR_PTR(-ENOMEM);
-
-	kref_init(&tg->refcount);
-	memcpy(tg->group_data, topology, 8);
-	tg->dev = dev;
-
-	mutex_lock(&dev->mode_config.idr_mutex);
-	ret = idr_alloc(&dev->mode_config.tile_idr, tg, 1, 0, GFP_KERNEL);
-	if (ret >= 0) {
-		tg->id = ret;
-	} else {
-		kfree(tg);
-		tg = ERR_PTR(ret);
-	}
-
-	mutex_unlock(&dev->mode_config.idr_mutex);
-	return tg;
-}
-EXPORT_SYMBOL(drm_mode_create_tile_group);