From patchwork Mon Nov 13 17:04:25 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 10056467 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 EBA9860586 for ; Mon, 13 Nov 2017 17:05:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D6AD0290E8 for ; Mon, 13 Nov 2017 17:05:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CBA0D29183; Mon, 13 Nov 2017 17:05:49 +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 4501229255 for ; Mon, 13 Nov 2017 17:05:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 255056E6D6; Mon, 13 Nov 2017 17:05:32 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1DBDA6E6D6; Mon, 13 Nov 2017 17:05:31 +0000 (UTC) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Nov 2017 09:05:30 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,389,1505804400"; d="scan'208";a="1440607" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by FMSMGA003.fm.intel.com with SMTP; 13 Nov 2017 09:05:02 -0800 Received: by stinkbox (sSMTP sendmail emulation); Mon, 13 Nov 2017 19:05:02 +0200 From: Ville Syrjala To: dri-devel@lists.freedesktop.org Date: Mon, 13 Nov 2017 19:04:25 +0200 Message-Id: <20171113170427.4150-9-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20171113170427.4150-1-ville.syrjala@linux.intel.com> References: <20171113170427.4150-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Cc: Jose Abreu , "Lin, Jia" , intel-gfx@lists.freedesktop.org, Hans Verkuil , Daniel Vetter , linux-media@vger.kernel.org Subject: [Intel-gfx] [PATCH 08/10] video/hdmi: Reject illegal picture aspect ratios X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" 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 111a0ab6280a..38716eb50408 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;