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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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a107ebf61e
We are using PSP to resume firmware after suspend, and it is resumed at where it got suspended, so we'd better save the the context. Signed-off-by: Leo Liu <leo.liu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
77 lines
3.2 KiB
C
77 lines
3.2 KiB
C
/*
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* Copyright 2014 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef __AMDGPU_VCE_H__
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#define __AMDGPU_VCE_H__
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#define AMDGPU_MAX_VCE_HANDLES 16
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#define AMDGPU_VCE_FIRMWARE_OFFSET 256
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#define AMDGPU_VCE_HARVEST_VCE0 (1 << 0)
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#define AMDGPU_VCE_HARVEST_VCE1 (1 << 1)
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struct amdgpu_vce {
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struct amdgpu_bo *vcpu_bo;
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uint64_t gpu_addr;
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void *cpu_addr;
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void *saved_bo;
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unsigned fw_version;
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unsigned fb_version;
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atomic_t handles[AMDGPU_MAX_VCE_HANDLES];
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struct drm_file *filp[AMDGPU_MAX_VCE_HANDLES];
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uint32_t img_size[AMDGPU_MAX_VCE_HANDLES];
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struct delayed_work idle_work;
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struct mutex idle_mutex;
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const struct firmware *fw; /* VCE firmware */
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struct amdgpu_ring ring[AMDGPU_MAX_VCE_RINGS];
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struct amdgpu_irq_src irq;
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unsigned harvest_config;
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struct amd_sched_entity entity;
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uint32_t srbm_soft_reset;
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unsigned num_rings;
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};
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int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size);
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int amdgpu_vce_sw_fini(struct amdgpu_device *adev);
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int amdgpu_vce_suspend(struct amdgpu_device *adev);
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int amdgpu_vce_resume(struct amdgpu_device *adev);
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int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
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struct dma_fence **fence);
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int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
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bool direct, struct dma_fence **fence);
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void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp);
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int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx);
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int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p, uint32_t ib_idx);
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void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib,
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unsigned vm_id, bool ctx_switch);
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void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
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unsigned flags);
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int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring);
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int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout);
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void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring);
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void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring);
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unsigned amdgpu_vce_ring_get_emit_ib_size(struct amdgpu_ring *ring);
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unsigned amdgpu_vce_ring_get_dma_frame_size(struct amdgpu_ring *ring);
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#endif
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