linux-kernel - Re: [PATCH v2] arm64: dts: rockchip: Set RK3399-Gru PCLK

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Date:   Sun,  4 Sep 2022 19:22:17 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Brian Norris <briannorris@...omium.org>
Cc:     Heiko Stuebner <heiko@...ech.de>,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, zain wang <wzz@...k-chips.com>,
        linux-arm-kernel@...ts.infradead.org,
        Lin Huang <hl@...k-chips.com>,
        Douglas Anderson <dianders@...omium.org>
Subject: Re: [PATCH v2] arm64: dts: rockchip: Set RK3399-Gru PCLK_EDP to 24 MHz

On Tue, 30 Aug 2022 13:16:17 -0700, Brian Norris wrote:
> We've found the AUX channel to be less reliable with PCLK_EDP at a
> higher rate (typically 25 MHz). This is especially important on systems
> with PSR-enabled panels (like Gru-Kevin), since we make heavy, constant
> use of AUX.
> 
> According to Rockchip, using any rate other than 24 MHz can cause
> "problems between syncing the PHY an PCLK", which leads to all sorts of
> unreliabilities around register operations.

Applied, thanks!

[1/1] arm64: dts: rockchip: Set RK3399-Gru PCLK_EDP to 24 MHz
      commit: 8123437cf46ea5a0f6ca5cb3c528d8b6db97b9c2

Best regards,
-- 
Heiko Stuebner <heiko@...ech.de>