[PATCH 1/2] video: omap: vram: remove from normal memory

[felipe.contreras@gmail.com (Felipe Contreras)]

On Tue, Oct 19, 2010 at 3:03 PM, Tomi Valkeinen
<tomi.valkeinen@nokia.com> wrote:
> On Tue, 2010-10-19 at 00:55 +0200, ext Tony Lindgren wrote:
>> * Tomi Valkeinen <tomi.valkeinen@nokia.com> [101018 06:55]:
>> > On Mon, 2010-10-18 at 16:10 +0300, Tomi Valkeinen wrote:
>> > > Hi,
>> > >
>> > > On Fri, 2010-10-15 at 14:46 +0200, ext Felipe Contreras wrote:
>> > > > So that we can ioremap happily.
>> > > >
>> > > > Cc: Tomi Valkeinen <tomi.valkeinen@nokia.com>
>> > > > Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
>> > > > ---
>> > > > ?drivers/video/omap2/vram.c | ? ?2 ++
>> > > > ?1 files changed, 2 insertions(+), 0 deletions(-)
>> > > >
>> > > > diff --git a/drivers/video/omap2/vram.c b/drivers/video/omap2/vram.c
>> > > > index f6fdc20..1a99777 100644
>> > > > --- a/drivers/video/omap2/vram.c
>> > > > +++ b/drivers/video/omap2/vram.c
>> > > > @@ -575,6 +575,8 @@ void __init omap_vram_reserve_sdram_memblock(void)
>> > > > ? ? ? ? ? ? ? ? }
>> > > > ? ? ? ? } else {
>> > > > ? ? ? ? ? ? ? ? paddr = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_REAL_LIMIT);
>> > > > + ? ? ? ? ? ? ? memblock_free(paddr, size);
>> > > > + ? ? ? ? ? ? ? memblock_remove(paddr, size);
>> > > > ? ? ? ? }
>> > > >
>> > > > ? ? ? ? omap_vram_add_region(paddr, size);
>> > >
>> > > I tested this on OMAP3 SDP board, on top of my DSS2 tree. I can boot up
>> > > fine, but my test program crashes the kernel (dump below).
>> > >
>> > > This crash doesn't happen if I have the "HACK: OMAP: DSS2: OMAPFB: use
>> > > phys_to_virt for RAM mappings" patch in (I removed that during testing
>> > > this patch).
>> > >
>> > > I don't know yet what is crashing the kernel, but I'd guess it's the
>> > > fact that my test program reallocates the framebuffer memory with
>> > > OMAPFB_SETUP_MEM ioctl.
>> >
>> > Ah, sorry, I was missing the patch from Russel which you mentioned in
>> > another mail (http://article.gmane.org/gmane.linux.kernel/1047146). With
>> > that patch included things seem to work.
>>
>> Tomi, I assume you're queuing these? If so, for both:
>>
>> Acked-by: Tony Lindgren <tony@atomide.com>
>
> Yes, I can queue them (when the required memblock stuff is in).

Now it's in :) (v2.6.37-rc1)

-- 
Felipe Contreras