forked from Minki/linux
651a146526
Fix race condition issue when multiple jpeg starts are called. Signed-off-by: James Zhu <James.Zhu@amd.com> Acked-by: Nirmoy Das <nirmoy.das@amd.com> Reviewed-by: Leo Liu <leo.liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
/*
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* Copyright 2019 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_JPEG_H__
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#define __AMDGPU_JPEG_H__
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#define AMDGPU_MAX_JPEG_INSTANCES 2
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#define AMDGPU_JPEG_HARVEST_JPEG0 (1 << 0)
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#define AMDGPU_JPEG_HARVEST_JPEG1 (1 << 1)
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struct amdgpu_jpeg_reg{
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unsigned jpeg_pitch;
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};
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struct amdgpu_jpeg_inst {
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struct amdgpu_ring ring_dec;
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struct amdgpu_irq_src irq;
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struct amdgpu_jpeg_reg external;
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};
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struct amdgpu_jpeg {
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uint8_t num_jpeg_inst;
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struct amdgpu_jpeg_inst inst[AMDGPU_MAX_JPEG_INSTANCES];
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struct amdgpu_jpeg_reg internal;
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unsigned harvest_config;
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struct delayed_work idle_work;
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enum amd_powergating_state cur_state;
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struct mutex jpeg_pg_lock;
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atomic_t total_submission_cnt;
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};
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int amdgpu_jpeg_sw_init(struct amdgpu_device *adev);
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int amdgpu_jpeg_sw_fini(struct amdgpu_device *adev);
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int amdgpu_jpeg_suspend(struct amdgpu_device *adev);
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int amdgpu_jpeg_resume(struct amdgpu_device *adev);
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void amdgpu_jpeg_ring_begin_use(struct amdgpu_ring *ring);
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void amdgpu_jpeg_ring_end_use(struct amdgpu_ring *ring);
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int amdgpu_jpeg_dec_ring_test_ring(struct amdgpu_ring *ring);
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int amdgpu_jpeg_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
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#endif /*__AMDGPU_JPEG_H__*/
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