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Change History -------------- v4: Changes suggested by Emil, Christian - return -ENODATA for asics with unlimited sessions v3: changes suggested by Christian - Add a check for UVD IP block using AMDGPU_HW_IP_UVD query type. - Add a check for asic_type to be less than CHIP_POLARIS10 since starting Polaris, we support unlimited UVD instances. - Add kerneldoc style comment for amdgpu_uvd_used_handles(). v2: as suggested by Christian - Add a new query AMDGPU_INFO_NUM_HANDLES - Create a helper function to return the number of currently used UVD handles. - Modify the logic to count the number of used UVD handles since handles can be freed in non-linear fashion. v1: - User might want to query the maximum number of UVD instances supported by firmware. In addition to that, if there are multiple applications using UVD handles at the same time, he might also want to query the currently used number of handles. For this we add two variables max_handles and used_handles inside drm_amdgpu_info_hw_ip. So now an application (or libdrm) can use AMDGPU_INFO IOCTL with AMDGPU_INFO_HW_IP_INFO query type to get these values. Signed-off-by: Arindam Nath <arindam.nath@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
43 lines
2 KiB
C
43 lines
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_UVD_H__
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#define __AMDGPU_UVD_H__
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int amdgpu_uvd_sw_init(struct amdgpu_device *adev);
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int amdgpu_uvd_sw_fini(struct amdgpu_device *adev);
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int amdgpu_uvd_suspend(struct amdgpu_device *adev);
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int amdgpu_uvd_resume(struct amdgpu_device *adev);
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int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
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struct dma_fence **fence);
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int amdgpu_uvd_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_uvd_free_handles(struct amdgpu_device *adev,
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struct drm_file *filp);
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int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx);
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void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring);
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void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring);
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int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout);
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uint32_t amdgpu_uvd_used_handles(struct amdgpu_device *adev);
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#endif
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