Re: [PATCH RESEND v3 4/5] clk: qcom: Use HW_CTRL_TRIGGER flag to switch video GDSC to HW mode

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To: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>, Abel Vesa <abel.vesa@xxxxxxxxxx>, "Rafael J. Wysocki" <rafael@xxxxxxxxxx>, Kevin Hilman <khilman@xxxxxxxxxx>, Ulf Hansson <ulf.hansson@xxxxxxxxxx>, Pavel Machek <pavel@xxxxxx>, Len Brown <len.brown@xxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Bjorn Andersson <andersson@xxxxxxxxxx>, Andy Gross <agross@xxxxxxxxxx>, Michael Turquette <mturquette@xxxxxxxxxxxx>, Stephen Boyd <sboyd@xxxxxxxxxx>, Stanimir Varbanov <stanimir.k.varbanov@xxxxxxxxx>, Vikash Garodia <quic_vgarodia@xxxxxxxxxxx>, Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Subject: Re: [PATCH RESEND v3 4/5] clk: qcom: Use HW_CTRL_TRIGGER flag to switch video GDSC to HW mode
From: "Bryan O'Donoghue" <bryan.odonoghue@xxxxxxxxxx>
Date: Wed, 8 Nov 2023 01:15:14 +0000
Cc: Taniya Das <tdas@xxxxxxxxxxxxxxxx>, linux-pm@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-arm-msm@xxxxxxxxxxxxxxx, linux-clk@xxxxxxxxxxxxxxx, linux-media@xxxxxxxxxxxxxxx, Jagadeesh Kona <quic_jkona@xxxxxxxxxxx>
In-reply-to: <82a25b12-7a63-4c75-8a46-624bc35c6752@linaro.org>
References: <20231101-gdsc-hwctrl-v3-0-0740ae6b2b04@linaro.org> <20231101-gdsc-hwctrl-v3-4-0740ae6b2b04@linaro.org> <835a6add-81e9-42e4-abbe-91632aaa6bc9@linaro.org> <82a25b12-7a63-4c75-8a46-624bc35c6752@linaro.org>
User-agent: Mozilla Thunderbird

On 07/11/2023 21:21, Konrad Dybcio wrote:

So.
I'm assuming the rest of this series works however for sc8250 at leastthis is a NAK, breaks venus on rb5.
Are you saying that applying this patch alone causes the attached crash?

Konrad


I tried to revert this patch in isolation and got

->

[ 157.083287] qcom-venus aa00000.video-codec: Failed to switchpower-domain:1 to SW mode[ 162.004630] qcom-venus aa00000.video-codec: Failed to switchpower-domain:1 to SW mode


I stopped debugging there.

---
bod

References:
- [PATCH RESEND v3 0/5] PM: domains: Add control for switching back and forth to HW control
  - From: Abel Vesa
- [PATCH RESEND v3 4/5] clk: qcom: Use HW_CTRL_TRIGGER flag to switch video GDSC to HW mode
  - From: Abel Vesa
- Re: [PATCH RESEND v3 4/5] clk: qcom: Use HW_CTRL_TRIGGER flag to switch video GDSC to HW mode
  - From: Bryan O'Donoghue
- Re: [PATCH RESEND v3 4/5] clk: qcom: Use HW_CTRL_TRIGGER flag to switch video GDSC to HW mode
  - From: Konrad Dybcio

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