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From: Konrad Dybcio <konrad.dybcio@linaro.org>
To: "Bryan O'Donoghue" <bryan.odonoghue@linaro.org>,
	"Krishna chaitanya chundru" <quic_krichai@quicinc.com>,
	"Bjorn Andersson" <andersson@kernel.org>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
	"Krzysztof Wilczyński" <kw@linux.com>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Manivannan Sadhasivam" <mani@kernel.org>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Johan Hovold" <johan+linaro@kernel.org>,
	"Brian Masney" <bmasney@redhat.com>,
	"Georgi Djakov" <djakov@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, vireshk@kernel.org,
	quic_vbadigan@quicinc.com, quic_skananth@quicinc.com,
	quic_nitegupt@quicinc.com, linux-pci@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: Re: [PATCH v6 3/6] PCI: qcom: Add missing icc bandwidth vote for cpu to PCIe path
Date: Fri, 12 Jan 2024 23:33:15 +0100	[thread overview]
Message-ID: <f9a177e0-3698-4865-9463-220c65c653fb@linaro.org> (raw)
In-Reply-To: <fecfd2d9-7302-4eb6-92d0-c2efbe824bf4@linaro.org>

On 12.01.2024 16:17, Bryan O'Donoghue wrote:
> On 12/01/2024 14:22, Krishna chaitanya chundru wrote:
>> CPU-PCIe path consits for registers PCIe BAR space, config space.
>> As there is less access on this path compared to pcie to mem path
>> add minimum vote i.e GEN1x1 bandwidth always.
>>
>> In suspend remove the cpu vote after register space access is done.
>>
>> Fixes: c4860af88d0c ("PCI: qcom: Add basic interconnect support")
> 
> If this patch is a Fixes then don't you need the accompanying dts change as a parallel Fixes too ?
> 
> i.e. without the dts update - you won't have the nodes in the dts to consume => applying this code to the stable kernel absent the dts will result in no functional change and therefore no bugfix.

The Fixes tag denotes a bug fix, its use for backport autosel is just
a nice "coincidence".

Fixing a lack of a required icc path and having to rely on BL leftovers
/ keepalive bus settings is definitely worth this tag in my eyes.

Konrad

  reply	other threads:[~2024-01-12 22:33 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-12 14:21 [PATCH v6 0/6] PCI: qcom: Add support for OPP Krishna chaitanya chundru
2024-01-12 14:22 ` [PATCH v6 1/6] dt-bindings: PCI: qcom: Add interconnects path as required property Krishna chaitanya chundru
2024-01-12 16:55   ` Conor Dooley
2024-01-12 17:12     ` Dmitry Baryshkov
2024-01-12 17:27       ` Conor Dooley
2024-01-19 22:34   ` Rob Herring
2024-01-29 15:22   ` Manivannan Sadhasivam
2024-01-12 14:22 ` [PATCH v6 2/6] arm64: dts: qcom: sm8450: Add interconnect path to PCIe node Krishna chaitanya chundru
2024-01-29 15:24   ` Manivannan Sadhasivam
2024-01-12 14:22 ` [PATCH v6 3/6] PCI: qcom: Add missing icc bandwidth vote for cpu to PCIe path Krishna chaitanya chundru
2024-01-12 15:17   ` Bryan O'Donoghue
2024-01-12 22:33     ` Konrad Dybcio [this message]
2024-01-16 10:52       ` Johan Hovold
2024-01-17  9:13         ` Konrad Dybcio
2024-01-16  4:52     ` Krishna Chaitanya Chundru
2024-01-16 10:06       ` Bryan O'Donoghue
2024-01-12 15:30   ` Dmitry Baryshkov
2024-01-16  4:57     ` Krishna Chaitanya Chundru
2024-01-17  6:39       ` Manivannan Sadhasivam
2024-01-29 14:10         ` Krishna Chaitanya Chundru
2024-01-12 15:59   ` Johan Hovold
2024-01-12 22:37     ` Konrad Dybcio
2024-01-16 10:54       ` Johan Hovold
2024-01-16  5:04     ` Krishna Chaitanya Chundru
2024-01-16 10:46       ` Johan Hovold
2024-01-12 16:47   ` Bjorn Helgaas
2024-01-16  5:06     ` Krishna Chaitanya Chundru
2024-01-12 14:22 ` [PATCH v6 4/6] dt-bindings: pci: qcom: Add opp table Krishna chaitanya chundru
2024-01-12 14:22 ` [PATCH v6 5/6] arm64: dts: qcom: sm8450: Add opp table support to PCIe Krishna chaitanya chundru
2024-01-29 16:04   ` Manivannan Sadhasivam
2024-01-30  6:11     ` Viresh Kumar
2024-01-30  7:14       ` Manivannan Sadhasivam
2024-01-30  8:36         ` Viresh Kumar
2024-01-30  9:48           ` Manivannan Sadhasivam
2024-01-30  9:55             ` Viresh Kumar
2024-01-30 13:16               ` Manivannan Sadhasivam
2024-01-31  5:23                 ` Viresh Kumar
2024-01-31  8:46                   ` Manivannan Sadhasivam
2024-01-31 10:00                     ` Viresh Kumar
2024-02-01 14:45                   ` Konrad Dybcio
2024-02-02  7:33                     ` Viresh Kumar
2024-02-09 21:14                       ` Konrad Dybcio
2024-02-19  7:02                         ` Krishna Chaitanya Chundru
2024-02-19 10:28                         ` Viresh Kumar
2024-02-19 12:38                           ` Manivannan Sadhasivam
2024-01-12 14:22 ` [PATCH v6 6/6] PCI: qcom: Add OPP support to scale performance state of power domain Krishna chaitanya chundru
2024-01-12 15:33   ` Dmitry Baryshkov
2024-01-16  5:17     ` Krishna Chaitanya Chundru
2024-01-16  9:55       ` Dmitry Baryshkov
2024-01-16 11:00         ` Johan Hovold
2024-02-01 11:54         ` Manivannan Sadhasivam
2024-02-01 11:58           ` Dmitry Baryshkov
2024-02-01 12:07             ` Manivannan Sadhasivam
2024-01-12 16:50   ` Bjorn Helgaas
2024-01-16  5:07     ` Krishna Chaitanya Chundru
2024-01-12 22:44   ` Konrad Dybcio
2024-01-16  5:18     ` Krishna Chaitanya Chundru
2024-01-29 16:00   ` Manivannan Sadhasivam

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