drm/armada/armada_gem.c

23 	struct armada_gem_object *obj = drm_to_armada_gem(gobj);
24 	unsigned long pfn = obj->phys_addr >> PAGE_SHIFT;
41 void armada_gem_free_object(struct drm_gem_object *obj)
43 	struct armada_gem_object *dobj = drm_to_armada_gem(obj);
44 	struct armada_private *priv = drm_to_armada_dev(obj->dev);
46 	DRM_DEBUG_DRIVER("release obj %p\n", dobj);
48 	drm_gem_free_mmap_offset(&dobj->obj);
54 		unsigned int order = get_order(dobj->obj.size);
66 	if (dobj->obj.import_attach) {
69 			dma_buf_unmap_attachment_unlocked(dobj->obj.import_attach,
71 		drm_prime_gem_destroy(&dobj->obj, NULL);
74 	drm_gem_object_release(&dobj->obj);
80 armada_gem_linear_back(struct drm_device *dev, struct armada_gem_object *obj)
83 	size_t size = obj->obj.size;
85 	if (obj->page || obj->linear)
101 			obj->addr = page_address(p);
102 			obj->phys_addr = page_to_phys(p);
103 			obj->page = p;
105 			memset(obj->addr, 0, PAGE_ALIGN(size));
133 	if (!obj->page) {
152 		obj->linear = node;
155 		ptr = ioremap_wc(obj->linear->start, size);
158 			drm_mm_remove_node(obj->linear);
160 			kfree(obj->linear);
161 			obj->linear = NULL;
168 		obj->phys_addr = obj->linear->start;
169 		obj->dev_addr = obj->linear->start;
170 		obj->mapped = true;
173 	DRM_DEBUG_DRIVER("obj %p phys %#llx dev %#llx\n", obj,
174 			 (unsigned long long)obj->phys_addr,
175 			 (unsigned long long)obj->dev_addr);
185 		dobj->addr = ioremap_wc(dobj->phys_addr, dobj->obj.size);
198 	struct armada_gem_object *obj;
202 	obj = kzalloc(sizeof(*obj), GFP_KERNEL);
203 	if (!obj)
206 	obj->obj.funcs = &armada_gem_object_funcs;
208 	drm_gem_private_object_init(dev, &obj->obj, size);
210 	DRM_DEBUG_DRIVER("alloc private obj %p size %zu\n", obj, size);
212 	return obj;
218 	struct armada_gem_object *obj;
223 	obj = kzalloc(sizeof(*obj), GFP_KERNEL);
224 	if (!obj)
227 	obj->obj.funcs = &armada_gem_object_funcs;
229 	if (drm_gem_object_init(dev, &obj->obj, size)) {
230 		kfree(obj);
234 	mapping = obj->obj.filp->f_mapping;
237 	DRM_DEBUG_DRIVER("alloc obj %p size %zu\n", obj, size);
239 	return obj;
262 	ret = drm_gem_handle_create(file, &dobj->obj, &handle);
269 	DRM_DEBUG_DRIVER("obj %p size %zu handle %#x\n", dobj, size, handle);
271 	drm_gem_object_put(&dobj->obj);
294 	ret = drm_gem_handle_create(file, &dobj->obj, &handle);
301 	DRM_DEBUG_DRIVER("obj %p size %zu handle %#x\n", dobj, size, handle);
303 	drm_gem_object_put(&dobj->obj);
319 	if (!dobj->obj.filp) {
320 		drm_gem_object_put(&dobj->obj);
324 	addr = vm_mmap(dobj->obj.filp, 0, args->size, PROT_READ | PROT_WRITE,
326 	drm_gem_object_put(&dobj->obj);
365 	if (args->offset > dobj->obj.size ||
366 	    args->size > dobj->obj.size - args->offset) {
367 		DRM_ERROR("invalid size: object size %u\n", dobj->obj.size);
380 	drm_gem_object_put(&dobj->obj);
389 	struct drm_gem_object *obj = attach->dmabuf->priv;
390 	struct armada_gem_object *dobj = drm_to_armada_gem(obj);
399 	if (dobj->obj.filp) {
403 		count = dobj->obj.size / PAGE_SIZE;
407 		mapping = dobj->obj.filp->f_mapping;
426 		sg_set_page(sgt->sgl, dobj->page, dobj->obj.size, 0);
435 		sg_dma_len(sgt->sgl) = dobj->obj.size;
455 	struct drm_gem_object *obj = attach->dmabuf->priv;
456 	struct armada_gem_object *dobj = drm_to_armada_gem(obj);
462 	if (dobj->obj.filp) {
487 armada_gem_prime_export(struct drm_gem_object *obj, int flags)
492 	exp_info.size = obj->size;
494 	exp_info.priv = obj;
496 	return drm_gem_dmabuf_export(obj->dev, &exp_info);
506 		struct drm_gem_object *obj = buf->priv;
507 		if (obj->dev == dev) {
512 			drm_gem_object_get(obj);
513 			return obj;
527 	dobj->obj.import_attach = attach;
535 	return &dobj->obj;
542 	dobj->sgt = dma_buf_map_attachment_unlocked(dobj->obj.import_attach,
554 	if (sg_dma_len(dobj->sgt->sgl) < dobj->obj.size) {