From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754752Ab2LJKbb (ORCPT ); Mon, 10 Dec 2012 05:31:31 -0500 Received: from mail-pa0-f46.google.com ([209.85.220.46]:52306 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753319Ab2LJKb2 (ORCPT ); Mon, 10 Dec 2012 05:31:28 -0500 Date: Mon, 10 Dec 2012 19:31:25 +0900 (JST) Message-Id: <20121210.193125.442743545.hdk@igel.co.jp> To: laurent.pinchart@ideasonboard.com Cc: FlorianSchandinat@gmx.de, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, m.szyprowski@samsung.com, matsu@igel.co.jp, dhobsong@igel.co.jp Subject: Re: [PATCH v4] fbdev: sh_mobile_lcdc: use dma_mmap_coherent From: Hideki EIRAKU In-Reply-To: <14014166.3JMiBq7jRA@avalon> References: <1345112000-22738-1-git-send-email-hdk@igel.co.jp> <14014166.3JMiBq7jRA@avalon> X-Mailer: Mew version 6.3 on Emacs 23.2 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Laurent, From: Laurent Pinchart 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 > > Acked-by: Laurent Pinchart > > 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