From: Konrad Dybcio <konrad.dybcio@linaro.org>
To: Andy Gross <agross@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Arnd Bergmann <arnd@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
Doug Anderson <dianders@chromium.org>
Subject: Re: [PATCH] Revert "soc: qcom: stats: Add DDR sleep stats"
Date: Sat, 16 Dec 2023 01:05:53 +0100 [thread overview]
Message-ID: <4472fd8e-73a6-44b6-a1d0-c5ebc55d4211@linaro.org> (raw)
In-Reply-To: <20231214-topic-undo_ddr_stats-v1-1-1fe32c258e56@linaro.org>
On 14.12.2023 13:25, Konrad Dybcio wrote:
> After recent reports ([1], [2]) of older platforms (particularly 8150 and
> 7180) breaking after DDR sleep stats introduction, revert the following:
>
> Commit 73380e2573c3 ("soc: qcom: stats: fix 64-bit division")
> Commit e84e61bdb97c ("soc: qcom: stats: Add DDR sleep stats")
>
> The feature itself is rather useful for debugging DRAM power management,
> however it looks like the shared RPMh stats data structures differ on
> previous SoCs.
>
> Revert its addition for now to un-break booting on these earlier SoCs,
> while I try to come up with a better way to enable it conditionally.
>
> [1] https://lore.kernel.org/linux-arm-msm/20231209215601.3543895-2-dmitry.baryshkov@linaro.org/
> [2] https://lore.kernel.org/linux-arm-msm/CAD=FV=XX4wLg1NNVL15RK4D4tLvuSzZyUv=k_tS4bSb3=7QJzQ@mail.gmail.com/
>
> Reported-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> Reported-by: Doug Anderson <dianders@chromium.org>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> ---
Arnd, since Bjorn seems to be MIA, could you please pick this directly
so that it gets into the next RC? Un-breaking booting on some platforms
would be very welcome :D
Konrad
next prev parent reply other threads:[~2023-12-16 0:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-14 12:25 Konrad Dybcio
2023-12-14 17:48 ` Doug Anderson
2023-12-16 0:05 ` Konrad Dybcio [this message]
2023-12-16 4:35 ` Bjorn Andersson
2023-12-16 13:07 ` Konrad Dybcio
2023-12-17 17:21 ` Bjorn Andersson
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