From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 80FACC433E0 for ; Mon, 6 Jul 2020 19:19:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 64C6E206CD for ; Mon, 6 Jul 2020 19:19:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726625AbgGFTTo (ORCPT ); Mon, 6 Jul 2020 15:19:44 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:51642 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725942AbgGFTTn (ORCPT ); Mon, 6 Jul 2020 15:19:43 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: ezequiel) with ESMTPSA id EA4022A4ECC Message-ID: Subject: Re: [PATCH 1/2] rkvdec: h264: Refuse to decode unsupported bitstream From: Ezequiel Garcia To: Jonas Karlman , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org Cc: Hans Verkuil , Philipp Zabel , Nicolas Dufresne , kernel@collabora.com Date: Mon, 06 Jul 2020 16:19:33 -0300 In-Reply-To: <551304f5-88bd-a673-a0ef-47af65700fe7@kwiboo.se> References: <20200626171130.27346-1-ezequiel@collabora.com> <20200626171130.27346-2-ezequiel@collabora.com> <551304f5-88bd-a673-a0ef-47af65700fe7@kwiboo.se> Organization: Collabora Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.36.3-1 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2020-07-06 at 09:45 +0000, Jonas Karlman wrote: > On 2020-06-26 19:11, Ezequiel Garcia wrote: > > The hardware only supports 4:2:2, 4:2:0 or 4:0:0 (monochrome), > > 8-bit or 10-bit depth content. > > > > Verify that the PPS refers to a supported bitstream, and refuse > > This should be SPS not PPS, same for hantro patch. > Yup. > > unsupported bitstreams by failing at TRY_EXT_CTRLS time. > > > > The driver is currently broken on 10-bit and 4:2:2 > > so disallow those as well. > > > > Signed-off-by: Ezequiel Garcia > > --- > > drivers/staging/media/rkvdec/rkvdec.c | 27 +++++++++++++++++++++++++++ > > 1 file changed, 27 insertions(+) > > > > diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c > > index 225eeca73356..0f81b47792f6 100644 > > --- a/drivers/staging/media/rkvdec/rkvdec.c > > +++ b/drivers/staging/media/rkvdec/rkvdec.c > > @@ -27,6 +27,32 @@ > > #include "rkvdec.h" > > #include "rkvdec-regs.h" > > > > +static int rkvdec_try_ctrl(struct v4l2_ctrl *ctrl) > > +{ > > + if (ctrl->id == V4L2_CID_MPEG_VIDEO_H264_SPS) { > > + const struct v4l2_ctrl_h264_sps *sps = ctrl->p_cur.p; > > This should be p_new and not p_cur to validate the new ctrl value, same for hantro patch. > > With both fixed this and the hantro patch is, > > Reviewed-by: Jonas Karlman > Ah, nice catch. Will fix. Thanks, Ezequiel > Regards, > Jonas > > > + /* > > + * TODO: The hardware supports 10-bit and 4:2:2 profiles, > > + * but it's currently broken in the driver. > > + * Reject them for now, until it's fixed. > > + */ > > + 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 const struct v4l2_ctrl_ops rkvdec_ctrl_ops = { > > + .try_ctrl = rkvdec_try_ctrl, > > +}; > > + > > static const struct rkvdec_ctrl_desc rkvdec_h264_ctrl_descs[] = { > > { > > .per_request = true, > > @@ -42,6 +68,7 @@ static const struct rkvdec_ctrl_desc rkvdec_h264_ctrl_descs[] = { > > .per_request = true, > > .mandatory = true, > > .cfg.id = V4L2_CID_MPEG_VIDEO_H264_SPS, > > + .cfg.ops = &rkvdec_ctrl_ops, > > }, > > { > > .per_request = true, > >