1 /* 2 * Copyright © 2016 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * 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 OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 23 /* 24 * This header file contains mode setting related functions and definitions 25 * which are only used within the drm kms helper module as internal 26 * 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 32 enum drm_mode_status; 33 struct drm_connector; 34 struct drm_crtc; 35 struct drm_display_mode; 36 struct drm_encoder; 37 struct drm_modeset_acquire_ctx; 38 39 /* drm_probe_helper.c */ 40 enum drm_mode_status drm_crtc_mode_valid(struct drm_crtc *crtc, 41 const struct drm_display_mode *mode); 42 enum drm_mode_status drm_encoder_mode_valid(struct drm_encoder *encoder, 43 const struct drm_display_mode *mode); 44 int 45 drm_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 50 struct drm_encoder * 51 drm_connector_get_single_encoder(struct drm_connector *connector); 52 53 #endif /* __DRM_CRTC_HELPER_INTERNAL_H__ */ 54