From patchwork Tue Apr 16 10:51:33 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 2448891 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 193603FD8C for ; Tue, 16 Apr 2013 10:52:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935921Ab3DPKvr (ORCPT ); Tue, 16 Apr 2013 06:51:47 -0400 Received: from mail-pb0-f54.google.com ([209.85.160.54]:35777 "EHLO mail-pb0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934702Ab3DPKvq (ORCPT ); Tue, 16 Apr 2013 06:51:46 -0400 Received: by mail-pb0-f54.google.com with SMTP id xa7so229063pbc.27 for ; Tue, 16 Apr 2013 03:51:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:from:to:cc:subject:date:message-id:x-mailer; bh=fFufT7dc6Eai7hba8JQSFUFexuJaAcrejjILpj1sVRA=; b=hpUMhIN32Hic2OdKWV0GqlTK//+aZ+3IWpZYVvYNO6J2r7VSoHYmlj4EGk8tUmBf/X 9dJxinuSTYrkKwKeyrfVNknXFI12C+qTt7UqgFk4GiL/ghjw+Ar2vH7leBdpWDtJiHSu 3bXDGecgSn+aGntFbzULWNCYy1S2QfhmIMS/MTSqn7AbjXM4PbocKnQZ3+huIg8qbEK1 SerjqWybFPGwNaYfx6b3/k9VGLwq1fAna8VNbrNNf0Lk2BlH4FQ9PNV9GEM8cef/bmyz 3wWC4V0ysJGzQDiHTk+PBtAAi3XvGOkhsSUepLxEenmnexTX532t5RyG2VJs7p2WnAma /76w== X-Received: by 10.66.9.7 with SMTP id v7mr2948245paa.216.1366109504615; Tue, 16 Apr 2013 03:51:44 -0700 (PDT) Received: from localhost.localdomain ([59.98.242.34]) by mx.google.com with ESMTPS id j13sm2200516pat.17.2013.04.16.03.51.40 (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 16 Apr 2013 03:51:43 -0700 (PDT) From: Prabhakar lad To: LMML Cc: Mauro Carvalho Chehab , DLOS , LKML , "Lad, Prabhakar" , Laurent Pinchart , Hans Verkuil Subject: [PATCH] media: davinci: vpif: allign the buffers size to page page size boundary Date: Tue, 16 Apr 2013 16:21:33 +0530 Message-Id: <1366109493-27874-1-git-send-email-prabhakar.csengg@gmail.com> X-Mailer: git-send-email 1.7.4.1 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Lad, Prabhakar with recent commit with id 068a0df76023926af958a336a78bef60468d2033 which adds add length check for mmap, the application were failing to mmap the buffers. This patch aligns the the buffer size to page size boundary for both capture and display driver so the it pass the check. Signed-off-by: Lad, Prabhakar Cc: Laurent Pinchart Cc: Hans Verkuil Cc: Mauro Carvalho Chehab --- drivers/media/platform/davinci/vpif_capture.c | 1 + drivers/media/platform/davinci/vpif_display.c | 1 + 2 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c index 5f98df1..25981d6 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -183,6 +183,7 @@ static int vpif_buffer_queue_setup(struct vb2_queue *vq, *nbuffers = config_params.min_numbuffers; *nplanes = 1; + size = PAGE_ALIGN(size); sizes[0] = size; alloc_ctxs[0] = common->alloc_ctx; diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index 1b3fb5c..3414715 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -162,6 +162,7 @@ static int vpif_buffer_queue_setup(struct vb2_queue *vq, *nbuffers = config_params.min_numbuffers; *nplanes = 1; + size = PAGE_ALIGN(size); sizes[0] = size; alloc_ctxs[0] = common->alloc_ctx; return 0;