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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4255C43217 for ; Wed, 23 Nov 2022 09:07:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237088AbiKWJHb (ORCPT ); Wed, 23 Nov 2022 04:07:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237220AbiKWJHO (ORCPT ); Wed, 23 Nov 2022 04:07:14 -0500 Received: from mx1.tq-group.com (mx1.tq-group.com [93.104.207.81]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E870106120 for ; Wed, 23 Nov 2022 01:06:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1669194411; x=1700730411; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2f/9nxESPnqNnRoQ4pC724Hbf42EyScGYQyvPVJ5uoY=; b=XgqFNMmGh40MMhwSsHhHlX8kG5cRUn+9SqrqeT/hpS4Tl3IB81iUz6ol d/G3HE68h9PPXJdZKeI5DDjxspWE0kiD7PNdtdwuCefm6PCsojmjmjUWR FJBlxDd4R6eSrSSbZajwteFzAcIsv4zNaGnmWZU7nJM2EZmleKtcKNExe 37LlnZV5uA7BsA2bD9g40UmMxAihxH//rHenZhd0xU6oH1ythF17xJunq uBCXksa/+xEZIYspDy2/hhCtV9BQTplPFWpY444qDL74eATChd23+FsfK dKwOjDAz7yQ7LFb76dyuFDDOMuFRHGG9LfV/f6BrZj02qC6KFocaCLdDe g==; X-IronPort-AV: E=Sophos;i="5.96,186,1665439200"; d="scan'208";a="27529276" Received: from unknown (HELO tq-pgp-pr1.tq-net.de) ([192.168.6.15]) by mx1-pgp.tq-group.com with ESMTP; 23 Nov 2022 10:06:39 +0100 Received: from mx1.tq-group.com ([192.168.6.7]) by tq-pgp-pr1.tq-net.de (PGP Universal service); Wed, 23 Nov 2022 10:06:39 +0100 X-PGP-Universal: processed; by tq-pgp-pr1.tq-net.de on Wed, 23 Nov 2022 10:06:39 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1669194399; x=1700730399; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2f/9nxESPnqNnRoQ4pC724Hbf42EyScGYQyvPVJ5uoY=; b=SDKX0YEo5Lmt6Csmai8VNwrUbLtjqPLL8aPo7LDjMx6VbRIkZGkj+rGE mbnjz4HIeJgTFbg+PI/z2gO0yC3qS+naBPVU3TMUqWySb84u31PzP+z24 XTTlIzHBtQGCiaunumkNNluMm2M5JeC/qsMh/4e9LvJa3XzHSIYj8+EVi GKFMunHi71NjnckHIRWkULO9ClwsCQpIdaW0sI4PQAJ1hHXdT0jGtwp6V VeZWEfJDaDzlkABAbITnvRtqgIQALPrHMeIxZDIfRVREsF7GxuleTwJgu RZbmAh7UbLp3W7GsW80m6n/VRKObmExxKtgNw1d5Ufi2e5pHlekm1+W5e Q==; X-IronPort-AV: E=Sophos;i="5.96,186,1665439200"; d="scan'208";a="27529275" Received: from vtuxmail01.tq-net.de ([10.115.0.20]) by mx1.tq-group.com with ESMTP; 23 Nov 2022 10:06:39 +0100 Received: from steina-w.localnet (unknown [10.123.53.21]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by vtuxmail01.tq-net.de (Postfix) with ESMTPSA id 46CCC280056; Wed, 23 Nov 2022 10:06:39 +0100 (CET) From: Alexander Stein To: Laurent Pinchart Cc: linux-media@vger.kernel.org, Sakari Ailus , Manivannan Sadhasivam Subject: Re: [PATCH v1 05/15] media: i2c: imx290: Pass format and mode to imx290_calc_pixel_rate() Date: Wed, 23 Nov 2022 10:06:41 +0100 Message-ID: <111287339.nniJfEyVGO@steina-w> Organization: TQ-Systems GmbH In-Reply-To: <20221122223250.21233-6-laurent.pinchart@ideasonboard.com> References: <20221122223250.21233-1-laurent.pinchart@ideasonboard.com> <20221122223250.21233-6-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hello Laurent, thanks for working on this. Am Dienstag, 22. November 2022, 23:32:40 CET schrieb Laurent Pinchart: > Avoid accessing the imx290 current_format and current_mode fields in > imx290_calc_pixel_rate() to prepare for the removal of those fields. > Among the two callers of the function, imx290_ctrl_update() has an > explicit mode pointer already, and we can also give it a format pointer. > Use those explicitly. > > While at it, inline the imx290_get_link_freq() function in > imx290_calc_pixel_rate() as it is only called there. > > Signed-off-by: Laurent Pinchart > --- > drivers/media/i2c/imx290.c | 27 ++++++++++++--------------- > 1 file changed, 12 insertions(+), 15 deletions(-) > > diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c > index 2d198b167853..a676ce93f96e 100644 > --- a/drivers/media/i2c/imx290.c > +++ b/drivers/media/i2c/imx290.c > @@ -547,21 +547,15 @@ static int imx290_write_current_format(struct imx290 > *imx290) return 0; > } > > -static s64 imx290_get_link_freq(struct imx290 *imx290) > +static u64 imx290_calc_pixel_rate(struct imx290 *imx290, > + const struct v4l2_mbus_framefmt *format, You can remove format here. It's unused and gets removed in the next patch anyway. Regards, Alexander > + const struct imx290_mode *mode) > { > - u8 index = imx290->current_mode->link_freq_index; > - > - return *(imx290_link_freqs_ptr(imx290) + index); > -} > - > -static u64 imx290_calc_pixel_rate(struct imx290 *imx290) > -{ > - s64 link_freq = imx290_get_link_freq(imx290); > - u8 nlanes = imx290->nlanes; > + s64 link_freq = imx290_link_freqs_ptr(imx290)[mode- >link_freq_index]; > u64 pixel_rate; > > /* pixel rate = link_freq * 2 * nr_of_lanes / bits_per_sample */ > - pixel_rate = link_freq * 2 * nlanes; > + pixel_rate = link_freq * 2 * imx290->nlanes; > do_div(pixel_rate, imx290->bpp); > return pixel_rate; > } > @@ -635,6 +629,7 @@ static const char * const imx290_test_pattern_menu[] = { > }; > > static void imx290_ctrl_update(struct imx290 *imx290, > + const struct v4l2_mbus_framefmt *format, > const struct imx290_mode *mode) > { > unsigned int hblank = mode->hmax - mode->width; > @@ -642,7 +637,7 @@ static void imx290_ctrl_update(struct imx290 *imx290, > > __v4l2_ctrl_s_ctrl(imx290->link_freq, mode->link_freq_index); > __v4l2_ctrl_s_ctrl_int64(imx290->pixel_rate, > - imx290_calc_pixel_rate(imx290)); > + imx290_calc_pixel_rate(imx290, format, mode)); > > __v4l2_ctrl_modify_range(imx290->hblank, hblank, hblank, 1, hblank); > __v4l2_ctrl_modify_range(imx290->vblank, vblank, vblank, 1, vblank); > @@ -652,6 +647,7 @@ static int imx290_ctrl_init(struct imx290 *imx290) > { > struct v4l2_fwnode_device_properties props; > unsigned int blank; > + u64 pixel_rate; > int ret; > > ret = v4l2_fwnode_device_parse(imx290->dev, &props); > @@ -689,10 +685,11 @@ static int imx290_ctrl_init(struct imx290 *imx290) > if (imx290->link_freq) > imx290->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; > > + pixel_rate = imx290_calc_pixel_rate(imx290, &imx290->current_format, > + imx290->current_mode); > imx290->pixel_rate = v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops, > V4L2_CID_PIXEL_RATE, > - 1, INT_MAX, 1, > - imx290_calc_pixel_rate(imx290)); > + 1, INT_MAX, 1, pixel_rate); > > v4l2_ctrl_new_std_menu_items(&imx290->ctrls, &imx290_ctrl_ops, > V4L2_CID_TEST_PATTERN, > @@ -913,7 +910,7 @@ static int imx290_set_fmt(struct v4l2_subdev *sd, > imx290->current_mode = mode; > imx290->bpp = imx290_formats[i].bpp; > > - imx290_ctrl_update(imx290, mode); > + imx290_ctrl_update(imx290, &fmt->format, mode); > } > > *format = fmt->format;