pmdomain: qcom: rpmpd: Add MSM8974PRO+PMA8084 power domains

Add the power domains CX & GFX found on MSM8974 devices that use PMA8084
instead of the standard PM8841+PM8941 combo.

Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240210-msm8974-rpmpd-v2-3-595e2ff80ea1@z3ntu.xyz
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

pmdomain: qcom: rpmpd: Add MSM8974+PM8841 power domains

Add the power domains CX & GFX found on devices with MSM8974 and PM8841.

Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240210-msm8974-rpmpd-v2-2-595e2ff80ea1@z3ntu.xyz
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

pmdomain: qcom: rpmpd: Keep one RPM handle for all RPMPDs

For no apparent reason (as there's just one RPM per SoC), all RPMPDs
currently store a copy of a pointer to smd_rpm. Introduce a single,
global one to save up on space in each definition.

bloat-o-meter reports:

Total: Before=92010, After=91062, chg -1.03%

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231227-topic-rpmpd_cleanup-v1-1-860ab141b076@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

pmdomain: qcom: rpmpd: Set GENPD_FLAG_ACTIVE_WAKEUP

Set GENPD_FLAG_ACTIVE_WAKEUP for all RPM power domains so that power
domains necessary for wakeup/"awake path" devices are kept on across
suspend.

This is needed for example for the *_AO ("active-only") variants of the
RPMPDs used by the CPU. Those should maintain their votes also across
system suspend to ensure the CPU can keep running for the whole suspend
process (ending in a firmware call). When the RPM firmware detects that
the CPUs are in a deep idle state it will drop those votes automatically.

Signed-off-by: Stephan Gerhold <stephan.gerhold@kernkonzept.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

pmdomain: qcom: rpmpd: Add QM215 power domains

QM215 is typically paired with a PM8916 PMIC and uses its SMPA1 and
LDOA2 regulators in voltage level mode for VDDCX and VDDMX, respectively.

Signed-off-by: Otto Pflüger <otto.pflueger@abscue.de>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231014133823.14088-4-otto.pflueger@abscue.de
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

pmdomain: qcom: rpmpd: Add MSM8917 power domains

MSM8917 uses the SMPA2 and LDOA3 regulators provided by the PM8937 PMIC
for the VDDCX and VDDMX power domains in voltage level mode,
respectively. These definitions should also work on MSM8937.

Signed-off-by: Otto Pflüger <otto.pflueger@abscue.de>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231014133823.14088-3-otto.pflueger@abscue.de
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

pmdomain: qcom: rpmpd: Drop the ->opp_to_performance_state() callback

Since commit 7c41cdcd3bbe ("OPP: Simplify the over-designed pstate <->
level dance"), there is no longer any need for genpd providers to assign
the ->opp_to_performance_state(), hence let's drop it.

Cc: Bjorn Andersson <andersson@kernel.org>
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: linux-arm-msm@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231012153558.101445-1-ulf.hansson@linaro.org

pmdomain: Rename the genpd subsystem to pmdomain

It has been pointed out that naming a subsystem "genpd" isn't very
self-explanatory and the acronym itself that means Generic PM Domain, is
known only by a limited group of people.

In a way to improve the situation, let's rename the subsystem to pmdomain,
which ideally should indicate that this is about so called Power Domains or
"PM domains" as we often also use within the Linux Kernel terminology.

Suggested-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230912221127.487327-1-ulf.hansson@linaro.org