From patchwork Thu Jul 9 16:36:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ezequiel Garcia X-Patchwork-Id: 11654729 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3FC8A6C1 for ; Thu, 9 Jul 2020 16:37:23 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 18569207F9 for ; Thu, 9 Jul 2020 16:37:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="xPN8aX0L" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 18569207F9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=BpkIw5hbyhAJ4IKPpX5MXkFBtwt3xYz4FFjzVHwn4D4=; b=xPN8aX0LRzHrh51LpDvWZtkeg fYejCzZ3tYcIqBmRPwc9NjN8Qm+quCwBYNhSQgNMYE+uVpzJ/5hzkN2daLSUoNFNjY8oQKD3Lkgxp EExjZc66OgE6XEWoS30G5nzhNTTqRR+QMO87roCAjEuVvPjdV9XLlfmnyYmX24343biU0nT5jVsIj oDRUwV6G2NOzP0flBi0us11R14QMeRI5IXogANegzGxhQA+UK0I09bmFgcHxTVbRt8gn+ENWFGY0O NKtGugsTv48okVKWkrz7owFZDEI37huLd9KBOaXxAwmHncQWR91gbo2FWO6i4Zp2HGyr0LpJuvrDF x0Q9SZaJQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jtZY1-0005sZ-8i; Thu, 09 Jul 2020 16:37:21 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jtZXz-0005rk-E8 for linux-rockchip@lists.infradead.org; Thu, 09 Jul 2020 16:37:20 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: ezequiel) with ESMTPSA id 3C0B42A607E From: Ezequiel Garcia To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org Subject: [PATCH v2 2/2] hantro: h264: Refuse to decode unsupported bitstream Date: Thu, 9 Jul 2020 13:36:35 -0300 Message-Id: <20200709163635.42996-3-ezequiel@collabora.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200709163635.42996-1-ezequiel@collabora.com> References: <20200709163635.42996-1-ezequiel@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200709_123719_586764_D7DDD251 X-CRM114-Status: GOOD ( 12.58 ) X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernel@collabora.com, Jonas Karlman , Hans Verkuil , Philipp Zabel , Nicolas Dufresne , Ezequiel Garcia Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org The hardware only supports 4:2:0 or 4:0:0 (monochrome), 8-bit depth content. Verify that the SPS refers to a supported bitstream, and refuse unsupported bitstreams by failing at TRY_EXT_CTRLS time. Given the JPEG compression level control is the only one that needs setting, a specific ops is provided. Signed-off-by: Ezequiel Garcia Reviewed-by: Philipp Zabel Reviewed-by: Jonas Karlman --- drivers/staging/media/hantro/hantro_drv.c | 29 ++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c index 0db8ad455160..8f092a560ff4 100644 --- a/drivers/staging/media/hantro/hantro_drv.c +++ b/drivers/staging/media/hantro/hantro_drv.c @@ -261,7 +261,25 @@ queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq) return vb2_queue_init(dst_vq); } -static int hantro_s_ctrl(struct v4l2_ctrl *ctrl) +static int hantro_try_ctrl(struct v4l2_ctrl *ctrl) +{ + if (ctrl->id == V4L2_CID_MPEG_VIDEO_H264_SPS) { + const struct v4l2_ctrl_h264_sps *sps = ctrl->p_new.p_h264_sps; + + if (sps->chroma_format_idc > 1) + /* Only 4:0:0 and 4:2:0 are supported */ + return -EINVAL; + if (sps->bit_depth_luma_minus8 != sps->bit_depth_chroma_minus8) + /* Luma and chroma bit depth mismatch */ + return -EINVAL; + if (sps->bit_depth_luma_minus8 != 0) + /* Only 8-bit is supported */ + return -EINVAL; + } + return 0; +} + +static int hantro_jpeg_s_ctrl(struct v4l2_ctrl *ctrl) { struct hantro_ctx *ctx; @@ -282,7 +300,11 @@ static int hantro_s_ctrl(struct v4l2_ctrl *ctrl) } static const struct v4l2_ctrl_ops hantro_ctrl_ops = { - .s_ctrl = hantro_s_ctrl, + .try_ctrl = hantro_try_ctrl, +}; + +static const struct v4l2_ctrl_ops hantro_jpeg_ctrl_ops = { + .s_ctrl = hantro_jpeg_s_ctrl, }; static const struct hantro_ctrl controls[] = { @@ -294,7 +316,7 @@ static const struct hantro_ctrl controls[] = { .max = 100, .step = 1, .def = 50, - .ops = &hantro_ctrl_ops, + .ops = &hantro_jpeg_ctrl_ops, }, }, { .codec = HANTRO_MPEG2_DECODER, @@ -325,6 +347,7 @@ static const struct hantro_ctrl controls[] = { .codec = HANTRO_H264_DECODER, .cfg = { .id = V4L2_CID_MPEG_VIDEO_H264_SPS, + .ops = &hantro_ctrl_ops, }, }, { .codec = HANTRO_H264_DECODER,