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 4D8803128C5 for ; Mon, 20 Oct 2025 12:58:38 +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=1760965118; cv=none; b=KsHhRGC17tMu9rz1ggVa/Zay40Hf3OxdhUWD55aLUDOxltUmltrEdAsiQsaaFRCpnkkoVJvpD3ol2Ig1jUPhjJWLegRRCiQld/fK+hMjCVsuZR3e+dNUU/tITOl2i9qx8o8EmmIQ7HCADg0I1bykpEuBB6qjHSC5kl9bdWPRsTc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760965118; c=relaxed/simple; bh=7HxvRu/GMKwagZK1KD6dUhKN81CmDH1fNBav49nHsx8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Vsfrv10YWVccZP9V45voRNnzdxw4iAC3biTnIt24pb3pT+Q4w5+XvRsk7bE2jusabKKrSJlZTMXvCOq3ObHToAhTdD7838eVAxVxevV+ox9Gqu21jIvR7pzTPrOjP3OiSsLH2rGapS2/tJwcR8kt67m+Jvetg/mVT0iGMPRTEgY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pMkEndj4; 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="pMkEndj4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 40734C113D0; Mon, 20 Oct 2025 12:58:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760965118; bh=7HxvRu/GMKwagZK1KD6dUhKN81CmDH1fNBav49nHsx8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pMkEndj4uw2jtA6FVQ8T24+9aet8jj7MJYOgw1QBuEdOzYlMjQxJD+bIOR7wg4fli ECBuBonwylvNh0EEFsGoFe17wfweZqf0wripmybvG1oQRyDXQASJ9wlcDpSCPpJMmJ M3LBG6JXOvR9CJDOJUPVnJgNCeIeE1MdAFU2TUS4qRU6qf0Du+KTnLz+vOu+Jm5hC3 fF5aGMatJ5sWEYHkf0dGCgstA8M9k8jiZhbLvva5JtsDr2ggh0wtjn14vzrQxpn+us yn5QTWayCgzLSLZC77epGzbU1I54JQ3iyV65wTOsEEFWQ2oXRJSuX+Tn+HcYp0NJka OWfxCBbEmK8YQ== 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 6.17.y 1/2] phy: cdns-dphy: Store hs_clk_rate and return it Date: Mon, 20 Oct 2025 08:58:34 -0400 Message-ID: <20251020125835.1762427-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2025101612-arguable-crushed-0b89@gregkh> References: <2025101612-arguable-crushed-0b89@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 ed87a3970f834..f79ec4fab4093 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