linux-kernel - Re: [PATCH v5 03/12] phy: rockchip: samsung-hdptx: Fix clock ratio setup

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Message-ID: <f1e33b02-5646-4219-98ac-c09e31d8215b@collabora.com>
Date: Sun, 9 Mar 2025 12:11:13 +0200
From: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I
 <kishon@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
 Algea Cao <algea.cao@...k-chips.com>, Sandor Yu <Sandor.yu@....com>,
 Maxime Ripard <mripard@...nel.org>, kernel@...labora.com,
 linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH v5 03/12] phy: rockchip: samsung-hdptx: Fix clock ratio
 setup

On 3/9/25 11:17 AM, Dmitry Baryshkov wrote:
> On Sat, 8 Mar 2025 at 14:21, Cristian Ciocaltea
> <cristian.ciocaltea@...labora.com> wrote:
>>
>> The switch from 1/10 to 1/40 clock ratio must happen when exceeding the
>> 340 MHz rate limit of HDMI 1.4, i.e. when entering the HDMI 2.0 domain,
>> and not before.
> 
> Am I correct that the only functional change is a switch from
> greater-or-equal to simple greater?

Yes.