From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 57B6C313E1A for ; Mon, 20 Oct 2025 12:59:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760965178; cv=none; b=FWaHPt4ko7EO0wJH45+ddxakUYbKrFrdp7jhd/7wyEdGs7NGVM6Oe2lJaXWi2t99+mIFoamgUa+nmrkniN96/CNj/ug1fEkmc+Pb3UaqW73nFsctiI56k50uwaFMe97OLmiLM0HRD9x/0Rd7xBu9LzbkGdzwznnHFZPsUEgWeAA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760965178; c=relaxed/simple; bh=lkvp6RuRWWaPpKgf/2nDW5LNfAF9bPyMLxfd1eW+1kw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pYnehT/Y103aSBOQGzfivVJskffNxt9Y8n1nv8hsBc/+TY+0Yju7efMhkNr7WlKCIF8AHe9qlYtsIfASE649Zq3ktn6vy6V2LbqrDEEXEl2ZylHzxarBIKz+RLQ9zAOwBVuqBuRQs/VvXHKclvIuUxY539yGNPEAXMgXJbLESJ8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=d/Oph9MI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="d/Oph9MI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 461F3C4CEF9; Mon, 20 Oct 2025 12:59:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760965178; bh=lkvp6RuRWWaPpKgf/2nDW5LNfAF9bPyMLxfd1eW+1kw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=d/Oph9MIWipzV1n1swYkhQ/jPI7UKpsJU4Y3dBZz6Jzehx7aWMNAGmH19cx4foWOa w239GZFLsiLADrxnHeJ5IxYGNx9f8wxSGShOyWxyAqYSLhhOCdg/KJ6bOP7NMORL3b vUUWuL6Y85IMLbbuu/bNZHwAGc//ROt4EsxBYhY5d+zx3rD4FU2fURdK+mdsFpz5vY W0e4XxvUea00xCF4xJro1qtnxeoIH1cBbneCSu6+qJrkLUHoHGTBuxdbur64c4EepS rJ3wU4DX6IVeWxwy3dWvAbtp+9a4KbVEaMvkF12vVu/1/DuwQ7FFtvGxQMLdR5VV3E chiMbRmnohYEA== From: Sasha Levin To: stable@vger.kernel.org Cc: Tomi Valkeinen , Aradhya Bhatia , Parth Pancholi , Jayesh Choudhary , Vinod Koul , Devarsh Thakkar , Sasha Levin Subject: [PATCH 6.6.y 1/2] phy: cdns-dphy: Store hs_clk_rate and return it Date: Mon, 20 Oct 2025 08:59:34 -0400 Message-ID: <20251020125935.1762853-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2025101614-lisp-bucktooth-cc0e@gregkh> References: <2025101614-lisp-bucktooth-cc0e@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Tomi Valkeinen [ Upstream commit 689a54acb56858c85de8c7285db82b8ae6dbf683 ] 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 Acked-by: Vinod Koul Reviewed-by: Devarsh Thakkar Signed-off-by: Tomi Valkeinen Link: https://lore.kernel.org/r/20250723-cdns-dphy-hs-clk-rate-fix-v1-1-d4539d44cbe7@ideasonboard.com Signed-off-by: Vinod Koul Stable-dep-of: 284fb19a3ffb ("phy: cadence: cdns-dphy: Fix PLL lock and O_CMN_READY polling") Signed-off-by: Sasha Levin --- 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 dddb66de6dba1..7e4a45085a66a 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; -- 2.51.0