xref: /linux/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_cursor.h (revision 67f8bc848ee31831336bd478e57d2f993551902e)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright 2026 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_CURSOR_H__
28 #define __AMDGPU_DM_CURSOR_H__
29 
30 int amdgpu_dm_check_native_cursor_state(struct drm_crtc *new_plane_crtc,
31 					struct drm_plane *plane,
32 					struct drm_plane_state *new_plane_state,
33 					bool enable);
34 
35 bool amdgpu_dm_should_update_native_cursor(struct drm_atomic_commit *state,
36 					   struct drm_crtc *old_plane_crtc,
37 					   struct drm_crtc *new_plane_crtc,
38 					   bool enable);
39 
40 int amdgpu_dm_crtc_get_cursor_mode(struct amdgpu_device *adev,
41 				   struct drm_atomic_commit *state,
42 				   struct dm_crtc_state *dm_crtc_state,
43 				   enum amdgpu_dm_cursor_mode *cursor_mode);
44 
45 #if IS_ENABLED(CONFIG_DRM_AMD_DC_KUNIT_TEST)
46 void dm_get_oriented_plane_size(struct drm_plane_state *plane_state,
47 				int *src_w, int *src_h);
48 void dm_get_plane_scale(struct drm_plane_state *plane_state,
49 			int *out_plane_scale_w, int *out_plane_scale_h);
50 #endif /* CONFIG_DRM_AMD_DC_KUNIT_TEST */
51 
52 #endif /* __AMDGPU_DM_CURSOR_H__ */
53