* grub-core/bus/bonito.c (grub_pci_device_map_range_cached):
	New function.
	(grub_pci_device_unmap_range): Handle non-cached address.
	* grub-core/video/sis315pro.c (framebuffer): Remove render_target and
	add direct_ptr.
	(grub_video_sis315pro_video_fini): Unmap direct_ptr.
	(grub_video_sis315pro_setup): Use cache address and grub_video_fb_setup.
	(grub_video_sis315pro_set_active_render_target): Removed.
	(grub_video_sis315pro_get_info_and_fini): Use uncached address.
	(grub_video_adapter): Use grub_video_fb_set_active_render_target.
	(grub_video_sis315pro_swap_buffers): Call grub_video_fb_swap_buffers and
	sync caches.
	* include/grub/mips/loongson/pci.h (grub_pci_device_map_range_cached):
	New proto.