From nobody Thu Dec 18 01:52:59 2025 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A933A22DF84; Fri, 30 May 2025 13:51:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748613101; cv=none; b=o+ACLDyE9oQVK18K6cqATn3lyxbJiAonbx8F5gpcNDsvTFeq6PUPFzvyJSJr0xKuoc+vcwzYY+/SDBW1XNzTIK88VJraqQrnH91lN/xps8q6/3g8VvEWP0r62wuJjVc3hq1a2jxEgOmF46MT+FYIZvPiFVDc6gVLq2g2nXl6s0E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748613101; c=relaxed/simple; bh=qIwc/mCCkgIMzyAyWFhxe7hb7H6PsuoxUxDGrtcsi/o=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=M2JxlXK//vhCNGmnwdiYLI64EErl7nvtBw7dIXGw+dpopq7daza7WT8SzKgDnK935tP0grsOz1ljpt6Lsg9mgwLAglctTap8UNcThxR2bAw/NUnGXeH/BT4XDihBdEKI4R+iDufvnpnazKeSpIy88WZKuc2F4UKYFev3ST1IMLk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=VUHkc98H; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="VUHkc98H" Received: from [127.0.1.1] (91-158-153-178.elisa-laajakaista.fi [91.158.153.178]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id C3B1817C1; Fri, 30 May 2025 15:51:04 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1748613065; bh=qIwc/mCCkgIMzyAyWFhxe7hb7H6PsuoxUxDGrtcsi/o=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=VUHkc98HWhed+vpIdhccuyuXTTcpC18AuIsBwIsd1ggKUXbx6NO6dKZVxW7Gt3NwU PCHmBqM9hBXfN6Q5uKOQ3oWcVFS/1QN14E/Ud1jrxVhfpQLrK3ifA+yIh6C5QQEhut nIwuB/O5Yjp3TfuE2oO6nBgMc7CYxYtsjZgIx0uM= From: Tomi Valkeinen Date: Fri, 30 May 2025 16:50:34 +0300 Subject: [PATCH v3 05/15] media: rcar-csi2: Move rcar2_calc_mbps() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250530-rcar-streams-v3-5-026655df7138@ideasonboard.com> References: <20250530-rcar-streams-v3-0-026655df7138@ideasonboard.com> In-Reply-To: <20250530-rcar-streams-v3-0-026655df7138@ideasonboard.com> To: =?utf-8?q?Niklas_S=C3=B6derlund?= , Mauro Carvalho Chehab , Sakari Ailus Cc: linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?Niklas_S=C3=B6derlund?= , Mauro Carvalho Chehab , Laurent Pinchart , Jacopo Mondi , Tomi Valkeinen X-Mailer: b4 0.15-dev-c25d1 X-Developer-Signature: v=1; a=openpgp-sha256; l=2390; i=tomi.valkeinen+renesas@ideasonboard.com; h=from:subject:message-id; bh=qIwc/mCCkgIMzyAyWFhxe7hb7H6PsuoxUxDGrtcsi/o=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBoObfctDcfT6hfgCPjTbCOG2kAa+pVLeecltsX5 3qHdE0Vvs+JAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCaDm33AAKCRD6PaqMvJYe 9XDiEACmN4VmeSBzigNfWRuYTc0vRTzvSEXZHFS05d5pIBuJp4Xk4iC1b4W+BpZ6U5THv3bxW/3 ZsLXWV4/h43KCOxsszeTepREMBInrI8+3PD9lhuez/UytP8RtO42HM1lpljNkf4k1luZDC6Btgg vy7xS4ct6A8Qh/QVWoOOc6wmISR9Yong6a2CbqgnUjVSBZBbF3sxwgJi6b0Gk9Vti8in3sy5fOM vEFf2aqQTE5tsvkoz1Ph6Dg3JL/2GqgGvudOJSbjoLZRtzhzWLB1Wss/kvp5H6Md9jnID7ZFTlW l10mshfB7mrwGBznmpdvYfHxHI06cSTdaND5uTP1ekg2PsWNsQd67o7QhOiiPTW2EgFCTu67nUN JLwwUi5iLXw+lcA9LGJtUwH9h1yzfFytJgYU1lSOXYlpXGRMLU/+xX3KWjcx4Rl0keybCiPbqph bP96fEh8vgP5cHrQmw60IaLlzWMVpWy5U8DUBQU+VcU91CbjJHPhe7SimB0l5cCdzNwRfD3Ruff ddJC4tAyO6KTZ6BfpTUZ81RD7NoY97GhCvbzTemk95XKbV/XATj+E5iygD2J1zWDTZcXxy0FTN/ RZ3CTpgNlAxvugAGFmsyHVUbvinKLAU83+IDPUNzbbpflh/m5WURp5RIKpeKCegypBx0yckaWAO pODVvuSvqfWMvsg== X-Developer-Key: i=tomi.valkeinen+renesas@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 Move the function so that it can call rcsi2_get_active_lanes() in the following patch. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart Reviewed-by: Niklas S=C3=B6derlund --- drivers/media/platform/renesas/rcar-csi2.c | 66 +++++++++++++++-----------= ---- 1 file changed, 33 insertions(+), 33 deletions(-) diff --git a/drivers/media/platform/renesas/rcar-csi2.c b/drivers/media/pla= tform/renesas/rcar-csi2.c index 698eb0e60f32..8aca35096408 100644 --- a/drivers/media/platform/renesas/rcar-csi2.c +++ b/drivers/media/platform/renesas/rcar-csi2.c @@ -951,39 +951,6 @@ static int rcsi2_set_phypll(struct rcar_csi2 *priv, un= signed int mbps) return 0; } =20 -static int rcsi2_calc_mbps(struct rcar_csi2 *priv, unsigned int bpp, - unsigned int lanes) -{ - struct media_pad *remote_pad; - struct v4l2_subdev *source; - s64 freq; - u64 mbps; - - if (!priv->remote) - return -ENODEV; - - source =3D priv->remote; - remote_pad =3D &source->entity.pads[priv->remote_pad]; - - freq =3D v4l2_get_link_freq(remote_pad, bpp, 2 * lanes); - if (freq < 0) { - int ret =3D (int)freq; - - dev_err(priv->dev, "failed to get link freq for %s: %d\n", - source->name, ret); - - return ret; - } - - mbps =3D div_u64(freq * 2, MEGA); - - /* Adjust for C-PHY, divide by 2.8. */ - if (priv->cphy) - mbps =3D div_u64(mbps * 5, 14); - - return mbps; -} - static int rcsi2_get_active_lanes(struct rcar_csi2 *priv, unsigned int *lanes) { @@ -1031,6 +998,39 @@ static int rcsi2_get_active_lanes(struct rcar_csi2 *p= riv, return 0; } =20 +static int rcsi2_calc_mbps(struct rcar_csi2 *priv, unsigned int bpp, + unsigned int lanes) +{ + struct media_pad *remote_pad; + struct v4l2_subdev *source; + s64 freq; + u64 mbps; + + if (!priv->remote) + return -ENODEV; + + source =3D priv->remote; + remote_pad =3D &source->entity.pads[priv->remote_pad]; + + freq =3D v4l2_get_link_freq(remote_pad, bpp, 2 * lanes); + if (freq < 0) { + int ret =3D (int)freq; + + dev_err(priv->dev, "failed to get link freq for %s: %d\n", + source->name, ret); + + return ret; + } + + mbps =3D div_u64(freq * 2, MEGA); + + /* Adjust for C-PHY, divide by 2.8. */ + if (priv->cphy) + mbps =3D div_u64(mbps * 5, 14); + + return mbps; +} + static int rcsi2_start_receiver_gen3(struct rcar_csi2 *priv, struct v4l2_subdev_state *state) { --=20 2.43.0