Messages in this thread | | | Date | Mon, 10 Dec 2012 19:31:25 +0900 (JST) | Subject | Re: [PATCH v4] fbdev: sh_mobile_lcdc: use dma_mmap_coherent | From | Hideki EIRAKU <> |
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Hi Laurent,
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Subject: Re: [PATCH v4] fbdev: sh_mobile_lcdc: use dma_mmap_coherent Date: Thu, 16 Aug 2012 14:16:32 +0200
> Hi Eiraku-san, > > 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?
-- Hideki EIRAKU <hdk@igel.co.jp>
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