From patchwork Thu Mar 22 08:18:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ankit Nautiyal X-Patchwork-Id: 10300957 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CD6BE600CC for ; Thu, 22 Mar 2018 08:26:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BE60A28A34 for ; Thu, 22 Mar 2018 08:26:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B2DA929A6F; Thu, 22 Mar 2018 08:26:07 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9C4DB28A34 for ; Thu, 22 Mar 2018 08:26:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 07A516EBBA; Thu, 22 Mar 2018 08:25:45 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 01E0A6EBB1 for ; Thu, 22 Mar 2018 08:25:34 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Mar 2018 01:25:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,343,1517904000"; d="scan'208";a="26061789" Received: from ankit-desktop.iind.intel.com ([10.223.161.14]) by fmsmga007.fm.intel.com with ESMTP; 22 Mar 2018 01:25:33 -0700 From: "Nautiyal, Ankit K" To: dri-devel@lists.freedesktop.org Subject: [PATCH v9 05/11] video/hdmi: Reject illegal picture aspect ratios Date: Thu, 22 Mar 2018 13:48:47 +0530 Message-Id: <1521706733-678-6-git-send-email-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1521706733-678-1-git-send-email-ankit.k.nautiyal@intel.com> References: <1521706733-678-1-git-send-email-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Ville Syrjälä AVI infoframe can only carry none, 4:3, or 16:9 picture aspect ratios. Return an error if the user asked for something different. Cc: Shashank Sharma Cc: "Lin, Jia" Cc: Akashdeep Sharma Cc: Jim Bride Cc: Jose Abreu Cc: Daniel Vetter Cc: Emil Velikov Cc: Thierry Reding Cc: Hans Verkuil Cc: linux-media@vger.kernel.org Signed-off-by: Ville Syrjälä Reviewed-by: Jose Abreu --- drivers/video/hdmi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/video/hdmi.c b/drivers/video/hdmi.c index 111a0ab..38716eb5 100644 --- a/drivers/video/hdmi.c +++ b/drivers/video/hdmi.c @@ -93,6 +93,9 @@ ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer, if (size < length) return -ENOSPC; + if (frame->picture_aspect > HDMI_PICTURE_ASPECT_16_9) + return -EINVAL; + memset(buffer, 0, size); ptr[0] = frame->type;