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/**

 * drm_mode_list_concat - move modes from one list to another

 * @head: source list

 * @new: dst list

 *

 * LOCKING:

 * Caller must ensure both lists are locked.

 *

 * Move all the modes from @head to @new.

 */

void drm_mode_list_concat(struct list_head *head, struct list_head *new)

{

	struct list_head *entry, *tmp;

	list_for_each_safe(entry, tmp, head) {

		list_move_tail(entry, new);

	}

}

EXPORT_SYMBOL(drm_mode_list_concat);

/**

 * drm_mode_validate_clocks - validate modes against clock limits

 * @dev: DRM device

 * @mode_list: list of modes to check

 * @min: minimum clock rate array

 * @max: maximum clock rate array

 * @n_ranges: number of clock ranges (size of arrays)

 *

 * LOCKING:

 * Caller must hold a lock protecting @mode_list.

 *

 * Some code may need to check a mode list against the clock limits of the

 * device in question.  This function walks the mode list, testing to make

 * sure each mode falls within a given range (defined by @min and @max

 * arrays) and sets @mode->status as needed.

 */

void drm_mode_validate_clocks(struct drm_device *dev,

			      struct list_head *mode_list,

			      int *min, int *max, int n_ranges)

{

	struct drm_display_mode *mode;

	int i;

	list_for_each_entry(mode, mode_list, head) {

		bool good = false;

		for (i = 0; i < n_ranges; i++) {

			if (mode->clock >= min[i] && mode->clock <= max[i]) {

				good = true;

				break;

			}

		}

		if (!good)

			mode->status = MODE_CLOCK_RANGE;

	}

}

EXPORT_SYMBOL(drm_mode_validate_clocks);