linux-kernel - Re: [PATCH v5 2/3] PCI: qcom: Add equalization settings for 16 GT/s

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Message-ID: <20240821173421.GA260420@bhelgaas>
Date: Wed, 21 Aug 2024 12:34:21 -0500
From: Bjorn Helgaas <helgaas@...nel.org>
To: Shashank Babu Chinta Venkata <quic_schintav@...cinc.com>
Cc: agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
	mani@...nel.org, quic_msarkar@...cinc.com,
	quic_kraravin@...cinc.com,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
	Jingoo Han <jingoohan1@...il.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
	Serge Semin <fancer.lancer@...il.com>,
	Niklas Cassel <cassel@...nel.org>,
	Conor Dooley <conor.dooley@...rochip.com>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v5 2/3] PCI: qcom: Add equalization settings for 16 GT/s

On Wed, Aug 21, 2024 at 10:08:43AM -0700, Shashank Babu Chinta Venkata wrote:
> During high data transmission rates such as 16 GT/s , there is an

s/ ,/,/

> increased risk of signal loss due to poor channel quality and
> interference. This can impact receiver's ability to capture signals
> accurately. Hence, signal compensation is achieved through appropriate
> lane equalization settings at both transmitter and receiver. This will
> result in increased PCIe signal strength.