From patchwork Mon Jan 16 14:44:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 643328 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 BD488C54EBE for ; Mon, 16 Jan 2023 14:56:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232523AbjAPO4Z (ORCPT ); Mon, 16 Jan 2023 09:56:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51926 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232643AbjAPO4B (ORCPT ); Mon, 16 Jan 2023 09:56:01 -0500 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE6ED26873 for ; Mon, 16 Jan 2023 06:45:02 -0800 (PST) Received: from pendragon.ideasonboard.com (213-243-189-158.bb.dnainternet.fi [213.243.189.158]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 0DA331211; Mon, 16 Jan 2023 15:45:00 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1673880301; bh=irV9W4lIfBwcElNntp/8epdHcNjLNu+RmFt7zHbhXho=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ocTK9TPRaqXAiF+MELmdcMfjGt0UiRpsumiMXeVUZF+QqPZskKemlk1Q+DqFp0ih2 /du8SFbryaazGL39J5BbfuS5tY3MYBLLFLtoMDbgA+Il3kwMKUSkZPsCiMMgm9Tm8F 4MlGGoqlsjQ6E/IvGEZ0IzjYXYV8ngYeM56OeK+o= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: Sakari Ailus , Manivannan Sadhasivam , Alexander Stein , Dave Stevenson Subject: [PATCH v3 05/17] media: i2c: imx290: Pass format and mode to imx290_calc_pixel_rate() Date: Mon, 16 Jan 2023 16:44:42 +0200 Message-Id: <20230116144454.1012-6-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.38.2 In-Reply-To: <20230116144454.1012-1-laurent.pinchart@ideasonboard.com> References: <20230116144454.1012-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org 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 --- Changes since v2: - Really drop format argument from imx290_calc_pixel_rate() Changes since v1: - Drop format argument from imx290_calc_pixel_rate() --- drivers/media/i2c/imx290.c | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-) diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c index 4ad6eab4f2e2..25671ded7c2a 100644 --- a/drivers/media/i2c/imx290.c +++ b/drivers/media/i2c/imx290.c @@ -547,21 +547,14 @@ 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 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; } @@ -649,7 +642,7 @@ 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, mode)); __v4l2_ctrl_modify_range(imx290->hblank, hblank, hblank, 1, hblank); __v4l2_ctrl_modify_range(imx290->vblank, vblank, vblank, 1, vblank); @@ -659,6 +652,7 @@ 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); @@ -696,10 +690,10 @@ 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_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,