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
30void amdgpu_dm_crtc_handle_vblank(struct amdgpu_crtc *acrtc);
31
32bool 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
36int amdgpu_dm_crtc_set_vupdate_irq(struct drm_crtc *crtc, bool enable);
37
38bool amdgpu_dm_crtc_vrr_active_irq(struct amdgpu_crtc *acrtc);
39
40bool amdgpu_dm_crtc_vrr_active(struct dm_crtc_state *dm_state);
41
42int amdgpu_dm_crtc_enable_vblank(struct drm_crtc *crtc);
43
44void amdgpu_dm_crtc_disable_vblank(struct drm_crtc *crtc);
45
46int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
47 struct drm_plane *plane,
48 uint32_t link_index);
49
50#endif
51
52

source code of linux/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.h