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

From: [email-masked] (Tony Lindgren)
Date: Mon, 18 Oct 2010 15:55:34 -0700

* Tomi Valkeinen <[email-masked]> [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 <[email-masked]>
> > > Signed-off-by: Felipe Contreras <[email-masked]>
> > > ---
> > >  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 <[email-masked]>