From patchwork Mon Apr 4 16:35:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Zabel X-Patchwork-Id: 556409 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 181A5C433FE for ; Mon, 4 Apr 2022 21:16:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378949AbiDDVSb (ORCPT ); Mon, 4 Apr 2022 17:18:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1379149AbiDDQhq (ORCPT ); Mon, 4 Apr 2022 12:37:46 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5212C192B5 for ; Mon, 4 Apr 2022 09:35:50 -0700 (PDT) Received: from dude03.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::39]) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1nbPgC-0004CX-Ly; Mon, 04 Apr 2022 18:35:48 +0200 From: Philipp Zabel To: linux-media@vger.kernel.org Cc: Mauro Carvalho Chehab , kernel@pengutronix.de Subject: [PATCH 2/7] media: coda: disable encoder cmd ioctl on decoder and vice versa Date: Mon, 4 Apr 2022 18:35:28 +0200 Message-Id: <20220404163533.707508-2-p.zabel@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220404163533.707508-1-p.zabel@pengutronix.de> References: <20220404163533.707508-1-p.zabel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:1101:1d::39 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-media@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use v4l2_disable_ioctl() to disable the VIDIOC_TRY_ENCODER_CMD and VIDIOC_ENCODER_CMD ioctls on decoder video devices and the VIDIOC_TRY_DECODER_CMD and VIDIOC_DECODER_CMD ioctls on encoder video devices. This allows to drop the coda_try_encoder/decoder_cmd() functions and to use v4l2_m2m_ioctl_try_encoder/decoder_cmd() directly. Signed-off-by: Philipp Zabel --- .../media/platform/chips-media/coda-common.c | 38 ++++++------------- 1 file changed, 12 insertions(+), 26 deletions(-) diff --git a/drivers/media/platform/chips-media/coda-common.c b/drivers/media/platform/chips-media/coda-common.c index 6d2989504b33..dc75133b0ead 100644 --- a/drivers/media/platform/chips-media/coda-common.c +++ b/drivers/media/platform/chips-media/coda-common.c @@ -1091,17 +1091,6 @@ static int coda_s_selection(struct file *file, void *fh, } } -static int coda_try_encoder_cmd(struct file *file, void *fh, - struct v4l2_encoder_cmd *ec) -{ - struct coda_ctx *ctx = fh_to_ctx(fh); - - if (ctx->inst_type != CODA_INST_ENCODER) - return -ENOTTY; - - return v4l2_m2m_ioctl_try_encoder_cmd(file, fh, ec); -} - static void coda_wake_up_capture_queue(struct coda_ctx *ctx) { struct vb2_queue *dst_vq; @@ -1120,7 +1109,7 @@ static int coda_encoder_cmd(struct file *file, void *fh, struct vb2_v4l2_buffer *buf; int ret; - ret = coda_try_encoder_cmd(file, fh, ec); + ret = v4l2_m2m_ioctl_try_encoder_cmd(file, fh, ec); if (ret < 0) return ret; @@ -1149,17 +1138,6 @@ static int coda_encoder_cmd(struct file *file, void *fh, return 0; } -static int coda_try_decoder_cmd(struct file *file, void *fh, - struct v4l2_decoder_cmd *dc) -{ - struct coda_ctx *ctx = fh_to_ctx(fh); - - if (ctx->inst_type != CODA_INST_DECODER) - return -ENOTTY; - - return v4l2_m2m_ioctl_try_decoder_cmd(file, fh, dc); -} - static bool coda_mark_last_meta(struct coda_ctx *ctx) { struct coda_buffer_meta *meta; @@ -1216,7 +1194,7 @@ static int coda_decoder_cmd(struct file *file, void *fh, bool wakeup; int ret; - ret = coda_try_decoder_cmd(file, fh, dc); + ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, dc); if (ret < 0) return ret; @@ -1498,9 +1476,9 @@ static const struct v4l2_ioctl_ops coda_ioctl_ops = { .vidioc_g_selection = coda_g_selection, .vidioc_s_selection = coda_s_selection, - .vidioc_try_encoder_cmd = coda_try_encoder_cmd, + .vidioc_try_encoder_cmd = v4l2_m2m_ioctl_try_encoder_cmd, .vidioc_encoder_cmd = coda_encoder_cmd, - .vidioc_try_decoder_cmd = coda_try_decoder_cmd, + .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd, .vidioc_decoder_cmd = coda_decoder_cmd, .vidioc_g_parm = coda_g_parm, @@ -2904,6 +2882,14 @@ static int coda_register_device(struct coda_dev *dev, int i) v4l2_disable_ioctl(vfd, VIDIOC_G_CROP); v4l2_disable_ioctl(vfd, VIDIOC_S_CROP); + if (dev->devtype->vdevs[i]->type == CODA_INST_ENCODER) { + v4l2_disable_ioctl(vfd, VIDIOC_DECODER_CMD); + v4l2_disable_ioctl(vfd, VIDIOC_TRY_DECODER_CMD); + } else { + v4l2_disable_ioctl(vfd, VIDIOC_ENCODER_CMD); + v4l2_disable_ioctl(vfd, VIDIOC_TRY_ENCODER_CMD); + } + ret = video_register_device(vfd, VFL_TYPE_VIDEO, 0); if (!ret) v4l2_info(&dev->v4l2_dev, "%s registered as %s\n",