linux-kernel - Re: [PATCH] phy: qcom: qmp-combo: Add missing PLL (VCO) configuration on SM8750

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Message-ID: <aFBNxvggJXYKQ4d1@vaman>
Date: Mon, 16 Jun 2025 22:30:54 +0530
From: Vinod Koul <vkoul@...nel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Kishon Vijay Abraham I <kishon@...nel.org>,
	Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
	Melody Olvera <melody.olvera@....qualcomm.com>,
	Wesley Cheng <quic_wcheng@...cinc.com>,
	linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] phy: qcom: qmp-combo: Add missing PLL (VCO)
 configuration on SM8750

On 16-06-25, 08:25, Krzysztof Kozlowski wrote:
> Add missing DP PHY status and VCO clock configuration registers to fix
> configuring the VCO rate on SM8750.  Without proper VCO rate setting, it
> works on after-reset half of rate which is not enough for DP over USB to
> work as seen on logs:
> 
>   [drm:msm_dp_ctrl_link_train_1_2] *ERROR* max v_level reached
>   [drm:msm_dp_ctrl_link_train_1_2] *ERROR* link training #1 on phy 0 failed. ret=-11

Hey,

This does not apply for on phy/fixes

Can you please rebase

-- 
~Vinod