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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 922E7C7115B for ; Wed, 18 Jun 2025 10:20:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/mQNhIWoWpg2mRHyf7kv8OPqgHWYnqFnm4LMMqlRKxw=; b=j5wGbQ3BPBRJhE 7RoPluzgYBbwwltnOzX7uYH2wTCP/1d7mMM8WPsHtUbKKgjHEeFbWv4fZV8zpe7OnKPu5gJuQOP77 6eTaH3t9JGYobJcyxeCNCOJLWKzH3D9/TiiWvcDEMNq/z09yo3E7kj5vCt9Tp0pGT53fIXXZFmcNa H6y6/xyVqj0TRxdMiDSUmUCFm5tVlwMlJMIeFYUdCHmzyKOnPPLTvwp7Yfm7KZgDN2Ab8RFvf2KeV 4W3kk/vWqzPc4cbW6zAogSaQMhsQKrag8pS9M+0W+K+B7Hl4b2TDCJb8gJ1lYfAW0eaTvo5QhY2b9 I69fuzZiln6DSxkzyX6Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uRptg-00000009kig-14eQ; Wed, 18 Jun 2025 10:20:00 +0000 Received: from perceval.ideasonboard.com ([213.167.242.64]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uRpa0-00000009gLo-20VR for linux-phy@lists.infradead.org; Wed, 18 Jun 2025 09:59:41 +0000 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 79BFA156F; Wed, 18 Jun 2025 11:59:23 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1750240764; bh=SdsFxcP7kgRnccaBenP8n2NR26UZV0KXLNKJ22UARi0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=YVsmBqoPGA3QhrXuNpkcqjwiWH1rnIWZUoKC8Bq73lg8IGWPM0mFkcD++pPczLSWn /b2gLDhLOu11yEnLLSDZOG9+IfLudpAxLjZZOJ5CK6ypaXwh8eAJOwF2X034s6J5rW oEhqmdZSPa812uHI43L0P9xJ1AQWPzqu7+395cts= From: Tomi Valkeinen Date: Wed, 18 Jun 2025 12:59:07 +0300 Subject: [PATCH v4 04/17] phy: cdns-dphy: Store hs_clk_rate and return it MIME-Version: 1.0 Message-Id: <20250618-cdns-dsi-impro-v4-4-862c841dbe02@ideasonboard.com> References: <20250618-cdns-dsi-impro-v4-0-862c841dbe02@ideasonboard.com> In-Reply-To: <20250618-cdns-dsi-impro-v4-0-862c841dbe02@ideasonboard.com> To: Jyri Sarha , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Vinod Koul , Kishon Vijay Abraham I , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Jayesh Choudhary , Dmitry Baryshkov Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, Francesco Dolcini , Aradhya Bhatia , Devarsh Thakkar , Parth Pancholi , Tomi Valkeinen X-Mailer: b4 0.15-dev-c25d1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1374; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=SdsFxcP7kgRnccaBenP8n2NR26UZV0KXLNKJ22UARi0=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBoUo39r9sodyAJ2tcO/X69aOfndhCXQftZPghxE Hmwz/4yT/qJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCaFKN/QAKCRD6PaqMvJYe 9XrCD/9a3slbZN2powiZp5L/w9sEKj/2HZcjA2+hVNNc0EKvkmPweq7VVf7hKsLSBbcRDcK08q5 Dkqb6QRx93vi+9qkPSTFHveZmMWswfJkFN4lWSyNS+h1UeuNpFovZBQL2EozuDYEmFRsdTg/eqI dIM/Xegbc6M5kcENYqQSGQrEfzamkDdsOYp59hUqgHe6TXzi4jgMvtpWk9q8y1fMBDLm/jnKFXa H54kvMYKjH1zyBQF6oOJBrBsdBky3HgqXzzfSi7FW7FJNOItnDHZ368viXhNr4x/Vp5cI6BQY4z 1m1wFcdkIAk/6uZRynKGX+ncUJ+2829f1yrZrgREcwm+j3gfOkInMwCi7qj9TwIJFMRCDmqJyh7 KfRiEGSIMxg3QwAuw17/tFryeqH3htPTFQ9nDzuLVt9VznH0J6X4DvFqvLYU6QSTrOe0QWdMk3r PO7IbEP3KbO2k4D+zo/jeLjMD5tE/cWyhgrCyv049NQ/NKf+RT0uRY9s+o8FTta2aYOIg1LOhMi N2crEp63tVBSlSH9zpvzutnzelhKSWyKWem4d5v9RlwUBe88/CItMxDys823sJsD7GzaeX9njl9 /MO/X30FJaPvbeFLBqnRTsXDpudHRjrdrvEGOhnJpn1y+F7oRXWzvLJLnRw1TYvsrrRSTefliyN a6aSda0/qL5KuJQ== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250618_025940_711376_F57F381E X-CRM114-Status: UNSURE ( 8.68 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org The DPHY driver does not return the actual hs_clk_rate, so the DSI driver has no idea what clock was actually achieved. Set the realized hs_clk_rate to the opts struct, so that the DSI driver gets it back. Reviewed-by: Aradhya Bhatia Tested-by: Parth Pancholi Tested-by: Jayesh Choudhary Signed-off-by: Tomi Valkeinen --- drivers/phy/cadence/cdns-dphy.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/phy/cadence/cdns-dphy.c b/drivers/phy/cadence/cdns-dphy.c index ed87a3970f83..f79ec4fab409 100644 --- a/drivers/phy/cadence/cdns-dphy.c +++ b/drivers/phy/cadence/cdns-dphy.c @@ -79,6 +79,7 @@ struct cdns_dphy_cfg { u8 pll_ipdiv; u8 pll_opdiv; u16 pll_fbdiv; + u32 hs_clk_rate; unsigned int nlanes; }; @@ -154,6 +155,9 @@ static int cdns_dsi_get_dphy_pll_cfg(struct cdns_dphy *dphy, cfg->pll_ipdiv, pll_ref_hz); + cfg->hs_clk_rate = div_u64((u64)pll_ref_hz * cfg->pll_fbdiv, + 2 * cfg->pll_opdiv * cfg->pll_ipdiv); + return 0; } @@ -297,6 +301,7 @@ static int cdns_dphy_config_from_opts(struct phy *phy, if (ret) return ret; + opts->hs_clk_rate = cfg->hs_clk_rate; opts->wakeup = cdns_dphy_get_wakeup_time_ns(dphy) / 1000; return 0; -- 2.43.0 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy