Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdgpu: introduce struct amdgpu_bo_user
Implement a new struct amdgpu_bo_user as subclass of
struct amdgpu_bo and a function to created amdgpu_bo_user
bo with a flag to identify the owner.
v2: amdgpu_bo_to_amdgpu_bo_user -> to_amdgpu_bo_user()
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Nirmoy Das
and committed by
Alex Deucher
9ad0d033
9fd5543e
+42
+28
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+28
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
···
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}
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/**
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* amdgpu_bo_create_user - create an &amdgpu_bo_user buffer object
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* @adev: amdgpu device object
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* @bp: parameters to be used for the buffer object
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* @ubo_ptr: pointer to the buffer object pointer
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*
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* Create a BO to be used by user application;
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*
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* Returns:
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* 0 for success or a negative error code on failure.
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*/
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int amdgpu_bo_create_user(struct amdgpu_device *adev,
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struct amdgpu_bo_param *bp,
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struct amdgpu_bo_user **ubo_ptr)
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{
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struct amdgpu_bo *bo_ptr;
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int r;
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bp->flags = bp->flags & ~AMDGPU_GEM_CREATE_SHADOW;
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bp->bo_ptr_size = sizeof(struct amdgpu_bo_user);
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r = amdgpu_bo_do_create(adev, bp, &bo_ptr);
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if (r)
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return r;
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*ubo_ptr = to_amdgpu_bo_user(bo_ptr);
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return r;
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}
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/**
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* amdgpu_bo_validate - validate an &amdgpu_bo buffer object
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* @bo: pointer to the buffer object
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*
+14
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+14
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
···
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#define AMDGPU_BO_INVALID_OFFSET LONG_MAX
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#define AMDGPU_BO_MAX_PLACEMENTS 3
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#define to_amdgpu_bo_user(abo) container_of((abo), struct amdgpu_bo_user, bo)
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struct amdgpu_bo_param {
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unsigned long size;
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int byte_align;
···
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struct list_head shadow_list;
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struct kgd_mem *kfd_bo;
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};
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struct amdgpu_bo_user {
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struct amdgpu_bo bo;
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u64 tiling_flags;
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u64 metadata_flags;
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void *metadata;
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u32 metadata_size;
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};
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static inline struct amdgpu_bo *ttm_to_amdgpu_bo(struct ttm_buffer_object *tbo)
···
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int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev,
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uint64_t offset, uint64_t size, uint32_t domain,
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struct amdgpu_bo **bo_ptr, void **cpu_addr);
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int amdgpu_bo_create_user(struct amdgpu_device *adev,
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struct amdgpu_bo_param *bp,
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struct amdgpu_bo_user **ubo_ptr);
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void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
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void **cpu_addr);
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int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);