treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / gpu / drm / amd / amdgpu / mmhub_v9_4.h
blob1b979773776c0a02e0a5089ca12c4db51b1c2e62
1 /*
2 * Copyright 2018 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
23 #ifndef __MMHUB_V9_4_H__
24 #define __MMHUB_V9_4_H__
26 extern const struct amdgpu_mmhub_funcs mmhub_v9_4_funcs;
28 u64 mmhub_v9_4_get_fb_location(struct amdgpu_device *adev);
29 int mmhub_v9_4_gart_enable(struct amdgpu_device *adev);
30 void mmhub_v9_4_gart_disable(struct amdgpu_device *adev);
31 void mmhub_v9_4_set_fault_enable_default(struct amdgpu_device *adev,
32 bool value);
33 void mmhub_v9_4_init(struct amdgpu_device *adev);
34 int mmhub_v9_4_set_clockgating(struct amdgpu_device *adev,
35 enum amd_clockgating_state state);
36 void mmhub_v9_4_get_clockgating(struct amdgpu_device *adev, u32 *flags);
37 void mmhub_v9_4_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
38 uint64_t page_table_base);
40 #endif