drm/vmwgfx/vmwgfx_surface.c

71  * struct vmw_surface_dirty - Surface dirty-tracker
74  * @boxes: Array of SVGA3dBoxes indicating dirty regions. One per subresource.
524  * backup buffer is dirty.
542  * @readback:       Readback - only true if dirty
663 	WARN_ON_ONCE(res->dirty);
1203 	if (res->guest_memory_bo->dirty && res->guest_memory_dirty) {
1204 		/* We've just made a full upload. Cear dirty regions. */
1654  * vmw_subres_dirty_add - Add a dirty region to a subresource
1655  * @dirty: The surfaces's dirty tracker.
1665 static void vmw_subres_dirty_add(struct vmw_surface_dirty *dirty,
1669 	const struct vmw_surface_cache *cache = &dirty->cache;
1670 	SVGA3dBox *box = &dirty->boxes[loc_start->sub_resource];
1675 	if (WARN_ON(loc_start->sub_resource >= dirty->num_subres))
1709  * vmw_subres_dirty_full - Mark a full subresource as dirty
1710  * @dirty: The surface's dirty tracker.
1713 static void vmw_subres_dirty_full(struct vmw_surface_dirty *dirty, u32 subres)
1715 	const struct vmw_surface_cache *cache = &dirty->cache;
1718 	SVGA3dBox *box = &dirty->boxes[subres];
1735 	struct vmw_surface_dirty *dirty =
1736 		(struct vmw_surface_dirty *) res->dirty;
1743 	cache = &dirty->cache;
1753 		 * fashion, compute the dirty region for each sheet and the
1754 		 * resulting union. Since this is not a common case, just dirty
1757 		for (sub_res = 0; sub_res < dirty->num_subres; ++sub_res)
1758 			vmw_subres_dirty_full(dirty, sub_res);
1763 		vmw_subres_dirty_add(dirty, &loc1, &loc2);
1770 		vmw_subres_dirty_add(dirty, &loc1, &loc_max);
1772 		vmw_subres_dirty_add(dirty, &loc_min, &loc2);
1775 			vmw_subres_dirty_full(dirty, sub_res);
1786 	struct vmw_surface_dirty *dirty =
1787 		(struct vmw_surface_dirty *) res->dirty;
1788 	const struct vmw_surface_cache *cache = &dirty->cache;
1790 	SVGA3dBox *box = &dirty->boxes[0];
1828 	struct vmw_surface_dirty *dirty =
1829 		(struct vmw_surface_dirty *) res->dirty;
1831 	const struct vmw_surface_cache *cache = &dirty->cache;
1843 	for (i = 0; i < dirty->num_subres; ++i) {
1844 		const SVGA3dBox *box = &dirty->boxes[i];
1861 	for (i = 0; i < dirty->num_subres; ++i) {
1862 		const SVGA3dBox *box = &dirty->boxes[i];
1892 	memset(&dirty->boxes[0], 0, sizeof(dirty->boxes[0]) *
1893 	       dirty->num_subres);
1905 	struct vmw_surface_dirty *dirty;
1923 	dirty_size = struct_size(dirty, boxes, num_subres);
1925 	dirty = kvzalloc(dirty_size, GFP_KERNEL);
1926 	if (!dirty) {
1934 				      &dirty->cache);
1938 	dirty->num_subres = num_subres;
1939 	res->dirty = (struct vmw_resource_dirty *) dirty;
1944 	kvfree(dirty);
1954 	struct vmw_surface_dirty *dirty =
1955 		(struct vmw_surface_dirty *) res->dirty;
1957 	kvfree(dirty);
1958 	res->dirty = NULL;