1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 
3 #ifndef __DRM_PROBE_HELPER_H__
4 #define __DRM_PROBE_HELPER_H__
5 
6 #include <drm/drm_modes.h>
7 
8 struct drm_connector;
9 struct drm_crtc;
10 struct drm_device;
11 struct drm_modeset_acquire_ctx;
12 
13 int drm_helper_probe_single_connector_modes(struct drm_connector
14 					    *connector, uint32_t maxX,
15 					    uint32_t maxY);
16 int drm_helper_probe_detect(struct drm_connector *connector,
17 			    struct drm_modeset_acquire_ctx *ctx,
18 			    bool force);
19 void drm_kms_helper_poll_init(struct drm_device *dev);
20 void drm_kms_helper_poll_fini(struct drm_device *dev);
21 bool drm_helper_hpd_irq_event(struct drm_device *dev);
22 bool drm_connector_helper_hpd_irq_event(struct drm_connector *connector);
23 void drm_kms_helper_hotplug_event(struct drm_device *dev);
24 void drm_kms_helper_connector_hotplug_event(struct drm_connector *connector);
25 
26 void drm_kms_helper_poll_disable(struct drm_device *dev);
27 void drm_kms_helper_poll_enable(struct drm_device *dev);
28 bool drm_kms_helper_is_poll_worker(void);
29 
30 enum drm_mode_status drm_crtc_helper_mode_valid_fixed(struct drm_crtc *crtc,
31 						      const struct drm_display_mode *mode,
32 						      const struct drm_display_mode *fixed_mode);
33 
34 int drm_connector_helper_get_modes_from_ddc(struct drm_connector *connector);
35 int drm_connector_helper_get_modes_fixed(struct drm_connector *connector,
36 					 const struct drm_display_mode *fixed_mode);
37 int drm_connector_helper_get_modes(struct drm_connector *connector);
38 
39 #endif
40