[RFC 3/6] drm: add SimpleDRM driver

[Andy Lutomirski]

On 06/24/2013 03:27 PM, David Herrmann wrote:
> +	sdrm->fb_map = ioremap(sdrm->fb_base, sdrm->fb_size);

This should probably be ioremap_wc.  Otherwise it will be *really* slow
if used in legacy mode and it may cause conflicts with the
pgprot_writecombine mode for mmap.

(Watching boot messages go by on fbcon on efifb was like using an old
2400 baud modem before I made the corresponding change to efifb.)

--Andy