Messages in this thread | | | Subject | Re: [PATCH v4 4/5] arm64: dts: sdm845: Add OPP tables and power-domains for venus | From | Stephen Boyd <> | Date | Mon, 27 Jul 2020 17:45:40 -0700 |
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Quoting Lina Iyer (2020-07-24 09:28:25) > On Fri, Jul 24 2020 at 03:03 -0600, Rajendra Nayak wrote: > >Hi Maulik/Lina, > > > >On 7/23/2020 11:36 PM, Stanimir Varbanov wrote: > >>Hi Rajendra, > >> > >>After applying 2,3 and 4/5 patches on linaro-integration v5.8-rc2 I see > >>below messages on db845: > >> > >>qcom-venus aa00000.video-codec: dev_pm_opp_set_rate: failed to find > >>current OPP for freq 533000097 (-34) > >> > >>^^^ This one is new. > >> > >>qcom_rpmh TCS Busy, retrying RPMH message send: addr=0x30000 > >> > >>^^^ and this message is annoying, can we make it pr_debug in rpmh? > > > How annoyingly often do you see this message? > Usually, this is an indication of bad system state either on remote > processors in the SoC or in Linux itself. On a smooth sailing build you > should not see this 'warning'. > > >Would you be fine with moving this message to a pr_debug? Its currently > >a pr_info_ratelimited() > I would rather not, moving this out of sight will mask a lot serious > issues that otherwise bring attention to the developers. >
I removed this warning message in my patch posted to the list[1]. If it's a serious problem then I suppose a timeout is more appropriate, on the order of several seconds or so and then a pr_warn() and bail out of the async call with an error.
[1] https://lore.kernel.org/r/20200724211711.810009-1-sboyd@kernel.org
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