linux-kernel - Re: [PATCH v9 0/5] Exynos: Simple QoS for exynos-bus using interconnect

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Message-ID: <2e4f8aa1-7be0-f65c-da7c-277327626812@samsung.com>
Date:   Fri, 13 Nov 2020 12:00:32 +0100
From:   Marek Szyprowski <m.szyprowski@...sung.com>
To:     Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Georgi Djakov <georgi.djakov@...aro.org>, inki.dae@...sung.com
Cc:     krzk@...nel.org, devicetree@...r.kernel.org, robh+dt@...nel.org,
        a.swigon@...sung.com, myungjoo.ham@...sung.com,
        sw0312.kim@...sung.com, b.zolnierkie@...sung.com,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v9 0/5] Exynos: Simple QoS for exynos-bus using
 interconnect

Hi Sylwester,

On 13.11.2020 11:32, Sylwester Nawrocki wrote:
> On 13.11.2020 10:07, Chanwoo Choi wrote:
>> On 11/13/20 5:48 PM, Georgi Djakov wrote:
>>> On 11/12/20 16:09, Sylwester Nawrocki wrote:
> [...]
>>> Good work Sylwester! Thank you and all the reviewers! What would be the merge
>>> path for this patchset? Looks like there is no build dependency between patches.
>>> Should i take just patches 2,3 or also patch 1? Chanwoo?
>> Hi Georgi,
>>
>> If you take the patch 2,3, I'll apply patch 1,4 to devfreq.git.
>> Hi Sylwester,
>> First of all, thanks for your work to finish it for a long time.
>> I'm very happy about finishing this work. It is very necessary feature
>> for the QoS. Once again, thank for your work.
> I would also like to thank everyone for provided feedback!
>
> As far as building is concerned the patches could be applied in any
> order. I think we could also apply the drm/exynos patch in same
> merge window. There could be runtime (or git bisect) regression
> only in case when INTERCONNECT is enabled and only (or as first)
> the dts and drm/exynos patches are applied.
>
> Hmm, maybe it's better to hold on with the drm patch, INTERCONNECT
> is disabled in arch/arm/configs/{multi_v7_defconfig, exynos_defconfig}
> but it is enabled in arch/arm64/configs/defconfig.

I don't think we need to delay DRM patch. Exynos DRM mixer is not 
available on ARM64 SoCs, so this won't be an issue.

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland