From nobody Thu Dec 18 08:09:13 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 81DBB29B215 for ; Mon, 14 Apr 2025 11:12:21 +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=1744629143; cv=none; b=n3czT74bLxSOTgiQGj2/hVR/eliqDNbxQpGzhZODLJKmfUYa7LhiKyUcRRpMS5c8udcKQzKVq0QlOXCD6FvHBQAoxKGekkIDsMqAvB3ne5NGsT0+2rvRYMxHueTRZlTl5vmAfqmMdD+yy7sGf/c7ZjmMPhb9RrCZXPpTpNO2tAQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744629143; c=relaxed/simple; bh=0rz+qtGwR8012ibx7Ol/9THyUm6cLrG8rh2vtI7MsMc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=SS13CiqHr1t1iw+aN5EfaEtbFFdyWsgti+tOAH60lEx1FPLONwpuwRZnazOd5MAMwV7Esk6VAaqasvz83K3nHD3uIvc44esFB4yIeDCrFuwUGn1wKV+z3u67/Ys6p17zwRDEWHsUQdaxXECLS6p7GvopQ50mcLCmNDK57q8bA+c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (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=F90HVGaE; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (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="F90HVGaE" 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 8DAE714C6; Mon, 14 Apr 2025 13:10:06 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1744629007; bh=0rz+qtGwR8012ibx7Ol/9THyUm6cLrG8rh2vtI7MsMc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=F90HVGaEHXcVXQRlikSZOeq7nwTdxWgLR/O4ZCJ/sMd9RPYwtr+y16vk5hguc5RG6 ZabqFXdTYkxEUjoNsrIBzi1A42TECpA6ci1B7s0jFzikYPu0bFYpOhbLvyTEnJ0QdE r1RTUt3/E2wro+VPNkM0nJRHSOykrs8npHfRZ0eY= From: Tomi Valkeinen Date: Mon, 14 Apr 2025 14:11:13 +0300 Subject: [PATCH v3 04/17] phy: cdns-dphy: Store hs_clk_rate and return it 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: <20250414-cdns-dsi-impro-v3-4-4e52551d4f07@ideasonboard.com> References: <20250414-cdns-dsi-impro-v3-0-4e52551d4f07@ideasonboard.com> In-Reply-To: <20250414-cdns-dsi-impro-v3-0-4e52551d4f07@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 Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, Francesco Dolcini , Aradhya Bhatia , Devarsh Thakkar , Tomi Valkeinen X-Mailer: b4 0.15-dev-c25d1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1212; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=0rz+qtGwR8012ibx7Ol/9THyUm6cLrG8rh2vtI7MsMc=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBn/O19WJKrDQFr1DAKHlKplUTsadmGLQhQQvcKW 3x6+N/hII6JAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZ/ztfQAKCRD6PaqMvJYe 9c46D/9NFtvR0pSbvbEr3POjEwVF8VIo4YTvY9yeNi7QVERsbNO4LX8+wumnIOM6ZNS19JrLKgA HzJoND7mcdrBMuaQcPZbXTtd0y/jRhHZ2AFHD6Z6pRHA1+xyeOMj0KPJduROOWr296YFh++gXf8 eVyfECyk1eH8gj5IIh6Kq9gRiZL+C/n6cDH8y8AGq1F0D103cSSb/tqXVR8SOFqfu3YxOFnEyly TPmd7awGgG6yL1bupzFQdgUA6v4fcJoUYXfm1/UtC6uts2BRVribCDI2xgGTVPqYm0twhp0TxPg 8XJYYSyR7MPNsywfIBywl5dr5TzuulaNjwXMd3yFXS9ItSW0E5Nuaczmpnu4qOFUVfnvTZs3uZx xeA0OtsWnOnvFMU8l4jCUCfjQIwFow8HBH4CUkaEfe4bUPocc/JZr1oCVJylPgastaVIOUlLVgG ZVFbK1kqf+HiCTmpqN/MDqZQkipBZtO9C5r6SmphPwtnBlDWCtAvzDRI3zhyLpB504z6peiXW0D epkaULqBWDowlMJEiMFPA4Mspv/Zh3mX3Arse0ijIFhuzP8VKUt4FpRVNq9v5TUaYSbcAPKwl18 lY0eU+a2KedupqNNjMoBubaBPVhN7lWVdYW69hzd3vpbhiWBSdiN5dmQBtMb0zGPLOdIb7G6UGo Mb0wlAvFKtMJ9pQ== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 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. Signed-off-by: Tomi Valkeinen Reviewed-by: Aradhya Bhatia --- 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-dph= y.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; }; =20 @@ -154,6 +155,9 @@ static int cdns_dsi_get_dphy_pll_cfg(struct cdns_dphy *= dphy, cfg->pll_ipdiv, pll_ref_hz); =20 + cfg->hs_clk_rate =3D div_u64((u64)pll_ref_hz * cfg->pll_fbdiv, + 2 * cfg->pll_opdiv * cfg->pll_ipdiv); + return 0; } =20 @@ -297,6 +301,7 @@ static int cdns_dphy_config_from_opts(struct phy *phy, if (ret) return ret; =20 + opts->hs_clk_rate =3D cfg->hs_clk_rate; opts->wakeup =3D cdns_dphy_get_wakeup_time_ns(dphy) / 1000; =20 return 0; --=20 2.43.0