1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright 2022 Advanced Micro Devices, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * Authors: AMD
24  *
25  */
26 
27 #ifndef __AMDGPU_DM_CRTC_H__
28 #define __AMDGPU_DM_CRTC_H__
29 
30 void amdgpu_dm_crtc_handle_vblank(struct amdgpu_crtc *acrtc);
31 
32 bool amdgpu_dm_crtc_modeset_required(struct drm_crtc_state *crtc_state,
33 		      struct dc_stream_state *new_stream,
34 		      struct dc_stream_state *old_stream);
35 
36 int amdgpu_dm_crtc_set_vupdate_irq(struct drm_crtc *crtc, bool enable);
37 
38 bool amdgpu_dm_crtc_vrr_active_irq(struct amdgpu_crtc *acrtc);
39 
40 bool amdgpu_dm_crtc_vrr_active(struct dm_crtc_state *dm_state);
41 
42 int amdgpu_dm_crtc_enable_vblank(struct drm_crtc *crtc);
43 
44 void amdgpu_dm_crtc_disable_vblank(struct drm_crtc *crtc);
45 
46 int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
47 			struct drm_plane *plane,
48 			uint32_t link_index);
49 
50 #endif
51 
52