Messages in this thread |  | | | From | Laurent Pinchart <> | | Subject | Re: [PATCH v2 4/4] fbdev: sh_mobile_lcdc: use dma_mmap_coherent if available | | Date | Thu, 26 Jul 2012 13:20:44 +0200 |
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Hi Eiraku-san,
On Thursday 26 July 2012 20:13:11 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. It is > available on ARM platforms. > > Signed-off-by: Hideki EIRAKU <hdk@igel.co.jp>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
-- Regards,
Laurent Pinchart
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