From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pdx-out-003.esa.us-west-2.outbound.mail-perimeter.amazon.com (pdx-out-003.esa.us-west-2.outbound.mail-perimeter.amazon.com [44.246.68.102]) (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 A21FE30AD00; Tue, 10 Mar 2026 16:35:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=44.246.68.102 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773160528; cv=none; b=OKqeOTOT5zddl8byj+Ghk9OMVpzgmAbUujs4yIE6fq1s8wXtBnjk8p6CCKL3pGev+7AFqEv0iFr/kOhNBTym2CdAdrAHmR8MIEjLzAYy2dB/b8Pdm9BpqQuA6pqAKiQr7y9NvcSVvIfMZsVPDTCUQmcc+JIQYjMk8qf7F3GtOdI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773160528; c=relaxed/simple; bh=NyY1GquT7Kh0BgWa3VarHvccTq0L4QkWhlLAy2muwXY=; h=Date:From:To:CC:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=N0qxUMLYbTKq6y73k1gbViE+PxxIcLbke+e+D5jboxE1XrnCq6ZOMixLZ0gW7DRZnf0oi5D79G3WkFgOmhPd+CTFG6+egi0nqgZNdq+W6BUXXp5/NWKovs6nBjiw78X/Mdyc+4H0YjImyRF7spU0bRoDFJsG3cL7b18RIE7ZxQ4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.com; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b=LACfQ8k6; arc=none smtp.client-ip=44.246.68.102 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b="LACfQ8k6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1773160527; x=1804696527; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=oM8nxu9JpUKslzaEdemYho0xSJ2TMFTESfkq0DvUVVw=; b=LACfQ8k6S8/O2xVzsbEPiQGoE2cjCYpHcUwZmJnYp855fOryJnYNa4yF tKGzpufH7M0rmP9Fbb/dyq3rsqd879jWs/9dXaqlzjt8abl8TUWf8vEMJ txfWl4knjXBicrSCEEXIe6rtdEEa3/9pLmNkKwqNYTdMsfkbjLtZni39Y JQzg8Wg5Y/ycFTpkdo93h8ImMoI2KeUlv3+UimZcXEBw/RgQROTl2ff2c TcKosIND/4C10pcczqscyDg18QaukDDlmOs46S6hjLTDn0ZChZw60ZieE CTcCc6wtfLl81r49PQZLbzgXGNi5vOERR+t27gnoPOlhVWEAB/+q5WmQY w==; X-CSE-ConnectionGUID: /KcLQhXqSqGICCrCuebe2A== X-CSE-MsgGUID: pfKiBkG4QxWKbkbMhftZtg== X-IronPort-AV: E=Sophos;i="6.23,112,1770595200"; d="scan'208";a="14737380" Received: from ip-10-5-12-219.us-west-2.compute.internal (HELO smtpout.naws.us-west-2.prod.farcaster.email.amazon.dev) ([10.5.12.219]) by internal-pdx-out-003.esa.us-west-2.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Mar 2026 16:35:27 +0000 Received: from EX19MTAUWC001.ant.amazon.com [205.251.233.53:11308] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.31.3:2525] with esmtp (Farcaster) id afcbc70f-3c48-4a86-bb17-30a9a863f00e; Tue, 10 Mar 2026 16:35:27 +0000 (UTC) X-Farcaster-Flow-ID: afcbc70f-3c48-4a86-bb17-30a9a863f00e Received: from EX19D001UWA001.ant.amazon.com (10.13.138.214) by EX19MTAUWC001.ant.amazon.com (10.250.64.174) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.37; Tue, 10 Mar 2026 16:35:26 +0000 Received: from localhost (10.187.170.21) by EX19D001UWA001.ant.amazon.com (10.13.138.214) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.37; Tue, 10 Mar 2026 16:35:26 +0000 Date: Tue, 10 Mar 2026 09:35:25 -0700 From: Cory Keitz To: CC: Tomi Valkeinen , "Mauro Carvalho Chehab" , Sakari Ailus , Laurent Pinchart , Julien Massot , Rob Herring , Niklas =?utf-8?Q?S=C3=B6derlund?= , "Greg Kroah-Hartman" , , , , , , , Cosmin Tanislav Subject: Re: [PATCH RESEND v8 14/21] media: i2c: add Maxim GMSL2/3 deserializer framework Message-ID: References: <20251208-gmsl2-3_serdes-v8-0-7b8d457e2e04@analog.com> <20251208-gmsl2-3_serdes-v8-14-7b8d457e2e04@analog.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Disposition: inline In-Reply-To: <20251208-gmsl2-3_serdes-v8-14-7b8d457e2e04@analog.com> X-ClientProxiedBy: EX19D046UWA003.ant.amazon.com (10.13.139.18) To EX19D001UWA001.ant.amazon.com (10.13.138.214) On Mon, Dec 08, 2025 at 04:13:06PM +0200, Dumitru Ceclan via B4 Relay wrote: > +#define MAX_DES_LINK_FREQUENCY_MIN 100000000ull > +#define MAX_DES_LINK_FREQUENCY_DEFAULT 750000000ull > +#define MAX_DES_LINK_FREQUENCY_MAX 1250000000ull Related to my comments on patch 16 [1], I believe this should be set differently between DPHY and CPHY. As I test more cameras I've patched this to allow CPHY link frequencies up to 2500MHz. I'm also wondering whether these should be driver-specific rather than defined at the framework level to allow for higher capacities in future silicon. [1] https://lore.kernel.org/linux-media/aaxWATynXaVFglvS@bcd074ae11bb/ -- R, Cory