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| author | Nirmoy Das <nirmoy.das@amd.com> | 2021-03-05 13:00:22 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-04-09 16:45:19 -0400 |
| commit | 9ad0d033ed4be2370bfff6589fc52ab220e7c514 (patch) | |
| tree | 4e4d0c8203c82be7971968f94b7ede8d956bd438 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | |
| parent | 9fd5543e9552acff859af7f154bd3402b7983dc5 (diff) | |
| download | lwn-9ad0d033ed4be2370bfff6589fc52ab220e7c514.tar.gz lwn-9ad0d033ed4be2370bfff6589fc52ab220e7c514.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 6aa3f7cfd740..db40b23bd66e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -695,6 +695,34 @@ int amdgpu_bo_create(struct amdgpu_device *adev, } /** + * amdgpu_bo_create_user - create an &amdgpu_bo_user buffer object + * @adev: amdgpu device object + * @bp: parameters to be used for the buffer object + * @ubo_ptr: pointer to the buffer object pointer + * + * Create a BO to be used by user application; + * + * Returns: + * 0 for success or a negative error code on failure. + */ + +int amdgpu_bo_create_user(struct amdgpu_device *adev, + struct amdgpu_bo_param *bp, + struct amdgpu_bo_user **ubo_ptr) +{ + struct amdgpu_bo *bo_ptr; + int r; + + bp->flags = bp->flags & ~AMDGPU_GEM_CREATE_SHADOW; + bp->bo_ptr_size = sizeof(struct amdgpu_bo_user); + r = amdgpu_bo_do_create(adev, bp, &bo_ptr); + if (r) + return r; + + *ubo_ptr = to_amdgpu_bo_user(bo_ptr); + return r; +} +/** * amdgpu_bo_validate - validate an &amdgpu_bo buffer object * @bo: pointer to the buffer object * |