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1/*2 * Copyright © 2016 Intel Corporation3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 */22 23/*24 * This header file contains mode setting related functions and definitions25 * which are only used within the drm kms helper module as internal26 * implementation details and are not exported to drivers.27 */28 29#ifndef __DRM_CRTC_HELPER_INTERNAL_H__30#define __DRM_CRTC_HELPER_INTERNAL_H__31 32enum drm_mode_status;33struct drm_connector;34struct drm_crtc;35struct drm_display_mode;36struct drm_encoder;37struct drm_modeset_acquire_ctx;38 39/* drm_probe_helper.c */40enum drm_mode_status drm_crtc_mode_valid(struct drm_crtc *crtc,41 const struct drm_display_mode *mode);42enum drm_mode_status drm_encoder_mode_valid(struct drm_encoder *encoder,43 const struct drm_display_mode *mode);44int45drm_connector_mode_valid(struct drm_connector *connector,46 struct drm_display_mode *mode,47 struct drm_modeset_acquire_ctx *ctx,48 enum drm_mode_status *status);49 50struct drm_encoder *51drm_connector_get_single_encoder(struct drm_connector *connector);52 53#endif /* __DRM_CRTC_HELPER_INTERNAL_H__ */54