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Message-ID: <CAPDyKFqVGJ3DUfPaifvqhyTBMH1bM30AExr3M2apZMx00vv9Jw@mail.gmail.com>
Date: Tue, 23 Jan 2024 14:00:28 +0100
From: Ulf Hansson <ulf.hansson@...aro.org>
To: Abel Vesa <abel.vesa@...aro.org>, Bjorn Andersson <andersson@...nel.org>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>, Kevin Hilman <khilman@...nel.org>, Pavel Machek <pavel@....cz>,
Len Brown <len.brown@...el.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Andy Gross <agross@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>,
Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>,
Stanimir Varbanov <stanimir.k.varbanov@...il.com>, Vikash Garodia <quic_vgarodia@...cinc.com>,
"Bryan O'Donoghue" <bryan.odonoghue@...aro.org>, Mauro Carvalho Chehab <mchehab@...nel.org>,
Taniya Das <quic_tdas@...cinc.com>, Jagadeesh Kona <quic_jkona@...cinc.com>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-clk@...r.kernel.org, linux-media@...r.kernel.org
Subject: Re: [PATCH v4 0/5] PM: domains: Add control for switching back and
forth to HW control
On Mon, 22 Jan 2024 at 09:47, Abel Vesa <abel.vesa@...aro.org> wrote:
>
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---
> Changes in v4:
> - Re-worded 1st patch commit message, as per Bjorn's suggestion, and added
> Dmitry's R-b tag
> - Added Bjorn's and Dmitry's R-b tags to the 2nd patch
> - Re-worded 3rd patch commit message, to better explain the HW_CTRL_TRIGGER flag.
> - Added mode transition delay when setting mode for GDSC
> - Added status polling if GDSSC is enabled when transitioning from HW to SW
> - Re-worded 4th patch commit message to better explain why the
> HW_CTRL_TRIGGER needs to be used instead
> - Drop changes to SC7180, SDM845 and SM8550 video CC drivers, as only
> SC7280 and SM8250 have been tested so far. More platforms (with v6 venus)
> will be added eventually.
> - Call genpd set_hwmode API only for v6 and dropped the vcodec_pmdomains_hwctrl.
> - Re-worded 5th patch commit message accordingly.
> - Link to v3:
> https://lore.kernel.org/r/20231101-gdsc-hwctrl-v3-0-0740ae6b2b04@linaro.org/
>
> ---
> Abel Vesa (1):
> PM: domains: Add the domain HW-managed mode to the summary
>
> Jagadeesh Kona (3):
> clk: qcom: gdsc: Add set and get hwmode callbacks to switch GDSC mode
> clk: qcom: Use HW_CTRL_TRIGGER flag to switch video GDSC to HW mode
> venus: pm_helpers: Use dev_pm_genpd_set_hwmode to switch GDSC mode
>
> Ulf Hansson (1):
> PM: domains: Allow devices attached to genpd to be managed by HW
>
> drivers/clk/qcom/gdsc.c | 54 +++++++++++++++++
> drivers/clk/qcom/gdsc.h | 1 +
> drivers/clk/qcom/videocc-sc7280.c | 2 +-
> drivers/clk/qcom/videocc-sm8250.c | 4 +-
> drivers/media/platform/qcom/venus/pm_helpers.c | 23 +++----
> drivers/pmdomain/core.c | 83 +++++++++++++++++++++++++-
> include/linux/pm_domain.h | 17 ++++++
> 7 files changed, 169 insertions(+), 15 deletions(-)
> ---
Bjorn, if it helps, I can funnel this complete series via my pmdomain tree?
Another option is that I host an immutable branch with patch1 and
patch2 for you to pull in? Just let me know what you prefer.
Kind regards
Uffe
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