From patchwork Wed Feb 23 10:40:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 545765 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 57EF4C433F5 for ; Wed, 23 Feb 2022 10:46:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238543AbiBWKrO (ORCPT ); Wed, 23 Feb 2022 05:47:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57406 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234377AbiBWKrN (ORCPT ); Wed, 23 Feb 2022 05:47:13 -0500 Received: from relay12.mail.gandi.net (relay12.mail.gandi.net [IPv6:2001:4b98:dc4:8::232]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 104C94830E for ; Wed, 23 Feb 2022 02:46:44 -0800 (PST) Received: (Authenticated sender: jacopo@jmondi.org) by mail.gandi.net (Postfix) with ESMTPSA id 32A7820000A; Wed, 23 Feb 2022 10:46:38 +0000 (UTC) From: Jacopo Mondi To: Steve Longerbeam Cc: Jacopo Mondi , laurent.pinchart@ideasonboard.com, sakari.ailus@iki.fi, hverkuil-cisco@xs4all.nl, mirela.rabulea@nxp.com, xavier.roumegue@oss.nxp.com, tomi.valkeinen@ideasonboard.com, hugues.fruchet@st.com, prabhakar.mahadev-lad.rj@bp.renesas.com, aford173@gmail.com, festevam@gmail.com, Eugen.Hristev@microchip.com, jbrunet@baylibre.com, paul.elder@ideasonboard.com, Mauro Carvalho Chehab , linux-media@vger.kernel.org Subject: [PATCH v3 20/27] media: ov5640: Limit frame_interval to DVP mode only Date: Wed, 23 Feb 2022 11:40:27 +0100 Message-Id: <20220223104034.91550-21-jacopo@jmondi.org> X-Mailer: git-send-email 2.35.0 In-Reply-To: <20220223104034.91550-1-jacopo@jmondi.org> References: <20220223104034.91550-1-jacopo@jmondi.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org In MIPI mode the frame rate control is performed by adjusting the frame blankings and the s_frame_interval function is not used anymore. Only check for the per-mode supported frame rate in DVP mode and do not restrict MIPI mode. Disallow enum/s/g_frame_interval if the chip is used in MIPI mode. While at it re-indent one function which whose parameters were wrongly aligned. Signed-off-by: Jacopo Mondi Reviewed-by: Laurent Pinchart --- drivers/media/i2c/ov5640.c | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c index 602c44ef7083..a992dc9e3d93 100644 --- a/drivers/media/i2c/ov5640.c +++ b/drivers/media/i2c/ov5640.c @@ -2003,8 +2003,13 @@ ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, (mode->width != width || mode->height != height))) return NULL; - /* Check to see if the current mode exceeds the max frame rate */ - if (ov5640_framerates[fr] > ov5640_framerates[mode->dvp_timings.max_fps]) + /* + * Check to see if the current mode exceeds the max frame rate. + * Only DVP mode uses the frame rate set by s_frame_interval, MIPI + * mode controls framerate by setting blankings. + */ + if (!ov5640_is_csi2(sensor) && + ov5640_framerates[fr] > ov5640_framerates[mode->dvp_timings.max_fps]) return NULL; return mode; @@ -3432,15 +3437,17 @@ static int ov5640_enum_frame_size(struct v4l2_subdev *sd, return 0; } -static int ov5640_enum_frame_interval( - struct v4l2_subdev *sd, - struct v4l2_subdev_state *sd_state, - struct v4l2_subdev_frame_interval_enum *fie) +static int ov5640_enum_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_frame_interval_enum *fie) { struct ov5640_dev *sensor = to_ov5640_dev(sd); struct v4l2_fract tpf; int ret; + if (ov5640_is_csi2(sensor)) + return -EINVAL; + if (fie->pad != 0) return -EINVAL; if (fie->index >= OV5640_NUM_FRAMERATES) @@ -3463,6 +3470,9 @@ static int ov5640_g_frame_interval(struct v4l2_subdev *sd, { struct ov5640_dev *sensor = to_ov5640_dev(sd); + if (ov5640_is_csi2(sensor)) + return -EINVAL; + mutex_lock(&sensor->lock); fi->interval = sensor->frame_interval; mutex_unlock(&sensor->lock); @@ -3477,6 +3487,9 @@ static int ov5640_s_frame_interval(struct v4l2_subdev *sd, const struct ov5640_mode_info *mode; int frame_rate, ret = 0; + if (ov5640_is_csi2(sensor)) + return -EINVAL; + if (fi->pad != 0) return -EINVAL;