Re: [PATCH v4] fbdev: sh_mobile_lcdc: use dma_mmap_coherent

Laurent Pinchart
2012-12-10T22:53:34Z

Hi Eiraku-san,

On Monday 10 December 2012 19:31:25 Hideki EIRAKU wrote:
> On Thu, 16 Aug 2012 14:16:32 +0200 Laurent Pinchart wrote:
> > On Thursday 16 August 2012 19:13:20 Hideki EIRAKU wrote:
> >> fb_mmap() implemented in fbmem.c uses smem_start as the physical
> >> address of the frame buffer. In the sh_mobile_lcdc driver, the
> >> smem_start is a dma_addr_t that is not a physical address when IOMMU is
> >> enabled. dma_mmap_coherent() maps the address correctly.
> >>
> >> Signed-off-by: Hideki EIRAKU <hdk@igel.co.jp>
> >
> > Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> >
> > I will push the patch to v3.7 through my tree.
>
> I'd like to use this patch to test IOMMU implementation of Renesas
> IPMMU. But I could not find it in v3.7-rc8. Could you please tell me if
> this has already been merged somewhere or not?

I'm afraid the patch got delayed to v3.8, sorry about that. I've sent a pull
request for v3.8, the patch is currently in linux-next
(bf10a53765b4435a5349a92a5a51753902ed86f1) and will be merged during the next
merge window (which should open in the very near future).

--
Regards,

Laurent Pinchart