diff options
Diffstat (limited to 'amdgpu/amdgpu_bo.c')
| -rw-r--r-- | amdgpu/amdgpu_bo.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/amdgpu/amdgpu_bo.c b/amdgpu/amdgpu_bo.c index b4ca7f72..9321f8b3 100644 --- a/amdgpu/amdgpu_bo.c +++ b/amdgpu/amdgpu_bo.c @@ -636,3 +636,59 @@ int amdgpu_create_bo_from_user_mem(amdgpu_device_handle dev, return r; } + +int amdgpu_bo_list_create(amdgpu_device_handle dev, + uint32_t number_of_resources, + amdgpu_bo_handle *resources, + uint8_t *resource_prios, + amdgpu_bo_list_handle *result) +{ + struct drm_amdgpu_bo_list_entry *list; + union drm_amdgpu_bo_list args; + unsigned i; + int r; + + list = alloca(sizeof(struct drm_amdgpu_bo_list_entry) * number_of_resources); + + memset(&args, 0, sizeof(args)); + args.in.operation = AMDGPU_BO_LIST_OP_CREATE; + args.in.bo_number = number_of_resources; + args.in.bo_info_size = sizeof(struct drm_amdgpu_bo_list_entry); + args.in.bo_info_ptr = (uint64_t)(uintptr_t)list; + + for (i = 0; i < number_of_resources; i++) { + list[i].bo_handle = resources[i]->handle; + if (resource_prios) + list[i].bo_priority = resource_prios[i]; + else + list[i].bo_priority = 0; + } + + r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_BO_LIST, + &args, sizeof(args)); + if (r) + return r; + + *result = calloc(1, sizeof(struct amdgpu_bo_list)); + (*result)->dev = dev; + (*result)->handle = args.out.list_handle; + return 0; +} + +int amdgpu_bo_list_destroy(amdgpu_bo_list_handle list) +{ + union drm_amdgpu_bo_list args; + int r; + + memset(&args, 0, sizeof(args)); + args.in.operation = AMDGPU_BO_LIST_OP_DESTROY; + args.in.list_handle = list->handle; + + r = drmCommandWriteRead(list->dev->fd, DRM_AMDGPU_BO_LIST, + &args, sizeof(args)); + + if (!r) + free(list); + + return r; +} |
