C++ (Cpp) nv50_disp_chan_new_示例

示例#1

文件： oimmnv50.c 项目： JamesChenFromChina/linux

int
nv50_disp_oimm_new(const struct nv50_disp_chan_func *func,
		   const struct nv50_disp_chan_mthd *mthd,
		   struct nv50_disp_root *root, int ctrl, int user,
		   const struct nvkm_oclass *oclass, void *data, u32 size,
		   struct nvkm_object **pobject)
{
	union {
		struct nv50_disp_overlay_v0 v0;
	} *args = data;
	struct nvkm_object *parent = oclass->parent;
	struct nv50_disp *disp = root->disp;
	int head, ret = -ENOSYS;

	nvif_ioctl(parent, "create disp overlay size %d\n", size);
	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
		nvif_ioctl(parent, "create disp overlay vers %d head %d\n",
			   args->v0.version, args->v0.head);
		if (!nvkm_head_find(&disp->base, args->v0.head))
			return -EINVAL;
		head = args->v0.head;
	} else
		return ret;

	return nv50_disp_chan_new_(func, mthd, root, ctrl + head, user + head,
				   head, oclass, pobject);
}

示例#2

文件： oimmnv50.c 项目： BORETS24/common.git-android-4.4

int
nv50_disp_oimm_new(const struct nv50_disp_chan_func *func,
		   const struct nv50_disp_chan_mthd *mthd,
		   struct nv50_disp_root *root, int chid,
		   const struct nvkm_oclass *oclass, void *data, u32 size,
		   struct nvkm_object **pobject)
{
	union {
		struct nv50_disp_overlay_v0 v0;
	} *args = data;
	struct nvkm_object *parent = oclass->parent;
	struct nv50_disp *disp = root->disp;
	int head, ret;

	nvif_ioctl(parent, "create disp overlay size %d\n", size);
	if (nvif_unpack(args->v0, 0, 0, false)) {
		nvif_ioctl(parent, "create disp overlay vers %d head %d\n",
			   args->v0.version, args->v0.head);
		if (args->v0.head > disp->base.head.nr)
			return -EINVAL;
		head = args->v0.head;
	} else
		return ret;

	return nv50_disp_chan_new_(func, mthd, root, chid + head,
				   head, oclass, pobject);
}