kernel_samsung_a53x/drivers/gpu/drm/samsung/sgpu/amdgpu_sws.h
2024-06-15 16:02:09 -03:00

76 lines
2.5 KiB
C
Executable file

/*
* Copyright 2020-2021 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __AMDGPU_SWS_H__
#define __AMDGPU_SWS_H__
struct amdgpu_device;
struct amdgpu_ring;
struct amdgpu_ctx;
//100ms
#define AMDGPU_SWS_TIMER 100
//n * 100ms
#define AMDGPU_SWS_HIGH_ROUND 3
#define AMDGPU_SWS_NORMAL_ROUND 2
#define AMDGPU_SWS_LOW_ROUND 1
//max reserved VMIDs for SWS
#define AMDGPU_SWS_MAX_VMID_NUM 8
#define AMDGPU_SWS_VMID_BEGIN 8
#define AMDGPU_SWS_NO_INV_ENG 0xffff
#define AMDGPU_SWS_NO_VMID 0
#define AMDGPU_SWS_MAX_RUNNING_QUEUE (AMDGPU_SWS_MAX_VMID_NUM)
#define AMDGPU_SWS_HW_RES_AVAILABLE 0
#define AMDGPU_SWS_HW_RES_BUSY 1
#define AMDGPU_SWS_DEBUGFS_SIZE 4096
//queue state
#define AMDGPU_SWS_QUEUE_DISABLED 0
#define AMDGPU_SWS_QUEUE_ENABLED 1
#define AMDGPU_SWS_QUEUE_DEQUEUED 2
//APIs for CWSR
int amdgpu_sws_early_init_ctx(struct amdgpu_ctx *ctx);
void amdgpu_sws_late_deinit_ctx(struct amdgpu_ctx *ctx);
int amdgpu_sws_init_ctx(struct amdgpu_ctx *ctx, struct amdgpu_fpriv *fpriv);
void amdgpu_sws_deinit_ctx(struct amdgpu_ctx *ctx,
struct amdgpu_fpriv *fpriv);
//API for init and deinit SWS
int amdgpu_sws_init(struct amdgpu_device *adev);
void amdgpu_sws_deinit(struct amdgpu_device *adev);
int amdgpu_sws_init_debugfs(struct amdgpu_device *adev);
int amdgpu_sws_deinit_debugfs(struct amdgpu_device *adev);
//clear broken queue after gpu reset
void amdgpu_sws_clear_broken_queue(struct amdgpu_device *adev);
#endif