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Here are the interconnect changes for the 6.3-rc1 merge window with the
significant part being new drivers.
Driver changes:
- New driver for Qualcomm SM8550
- New driver for Qualcomm QDU1000/QRU1000
- New driver for Qualcomm SDM670
- New driver for Qualcomm SA8775P
- Drop the IP0 interconnects and migrate them to RPMh clocks instead
- Misc improvements in the DT schema for some existing drivers
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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Merge tag 'icc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-next
Georgi writes:
interconnect changes for 6.3
Here are the interconnect changes for the 6.3-rc1 merge window with the
significant part being new drivers.
Driver changes:
- New driver for Qualcomm SM8550
- New driver for Qualcomm QDU1000/QRU1000
- New driver for Qualcomm SDM670
- New driver for Qualcomm SA8775P
- Drop the IP0 interconnects and migrate them to RPMh clocks instead
- Misc improvements in the DT schema for some existing drivers
Signed-off-by: Georgi Djakov <djakov@kernel.org>
* tag 'icc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc: (25 commits)
dt-bindings: interconnect: samsung,exynos-bus: allow opp-table
dt-bindings: interconnect: qcom,sa8775p-rpmh: fix a typo
dt-bindings: interconnect: Exclude all non msm8939 from snoc-mm
interconnect: qcom: add a driver for sa8775p
dt-bindings: interconnect: qcom: document the interconnects for sa8775p
interconnect: qcom: add sdm670 interconnects
dt-bindings: interconnect: add sdm670 interconnects
dt-bindings: interconnect: OSM L3: Add SM6350 OSM L3 compatible
dt-bindings: interconnect: qcom-bwmon: document SM8550 compatibles
dt-bindings: interconnect: split SM8450 to own schema
dt-bindings: interconnect: split SC8280XP to own schema
dt-bindings: interconnect: split SC7280 to own schema
dt-bindings: interconnect: qcom: drop IPA_CORE related defines
dt-bindings: interconnect: qcom: Remove ipa-virt compatibles
interconnect: qcom: sc8280xp: Drop IP0 interconnects
interconnect: qcom: sc8180x: Drop IP0 interconnects
interconnect: qcom: sm8250: Drop IP0 interconnects
interconnect: qcom: sm8150: Drop IP0 interconnects
interconnect: move ignore_list out of of_count_icc_providers()
interconnect: qcom: sc7180: drop IP0 remnants
...
* icc-sa8775p
dt-bindings: interconnect: qcom: document the interconnects for sa8775p
interconnect: qcom: add a driver for sa8775p
dt-bindings: interconnect: qcom,sa8775p-rpmh: fix a typo
Link: https://lore.kernel.org/r/20230118140825.242544-2-brgl@bgdev.pl
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Commits 2f3724930eb4 ("interconnect: qcom: sc7180: Drop IP0
interconnects") and 2fb251c26560 ("interconnect: qcom: sdx55: Drop IP0
interconnects") removed IP0 interconnects (and ipa-virt devices support)
in favour of the RPMH clocks. Follow this example for other platforms
defining IP0 RPMH resource. While we are at it, remove several leftover
from the mentioned patches.
* icc-ip0-migration:
interconnect: qcom: sdx55: drop IP0 remnants
interconnect: qcom: sc7180: drop IP0 remnants
interconnect: move ignore_list out of of_count_icc_providers()
interconnect: qcom: sm8150: Drop IP0 interconnects
interconnect: qcom: sm8250: Drop IP0 interconnects
interconnect: qcom: sc8180x: Drop IP0 interconnects
interconnect: qcom: sc8280xp: Drop IP0 interconnects
dt-bindings: interconnect: qcom: Remove ipa-virt compatibles
dt-bindings: interconnect: qcom: drop IPA_CORE related defines
Link: https://lore.kernel.org/r/20230109002935.244320-1-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Similar to the sdx55 and sc7180, let's drop the MASTER_IPA_CORE and
SLAVE_IPA_CORE interconnects for this platform. There are no actual users
of this interconnect. The IP0 resource will be handled by clk-rpmh
driver.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230109002935.244320-8-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Similar to the sdx55 and sc7180, let's drop the MASTER_IPA_CORE and
SLAVE_IPA_CORE interconnects for this platofm. There are no actual users
of this intercoonect. The IP0 resource will be handled by clk-rpmh
driver.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230109002935.244320-7-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Similar to the sdx55 and sc7180, let's drop the MASTER_IPA_CORE and
SLAVE_IPA_CORE interconnects for this platform. There are no actual users
of this interconnect. The IP0 resource will be handled by clk-rpmh
driver.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230109002935.244320-6-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Similar to the sdx55 and sc7180, let's drop the MASTER_IPA_CORE and
SLAVE_IPA_CORE interconnects for this platform. There are no actual users
of this interconnect. The IP0 resource will be handled by clk-rpmh
driver.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230109002935.244320-5-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Drop two defines leftover from the commit 2f3724930eb4 ("interconnect:
qcom: sc7180: Drop IP0 interconnects"), which dropped handling of the
IP0 resource in favour of handling it in the clk-rpmh driver.
Fixes: 2f3724930eb4 ("interconnect: qcom: sc7180: Drop IP0 interconnects")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230109002935.244320-3-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Drop two defines leftover from the commit 2fb251c26560 ("interconnect:
qcom: sdx55: Drop IP0 interconnects"), which dropped handling of the IP0
resource in favour of handling it in the clk-rpmh driver.
Fixes: 2fb251c26560 ("interconnect: qcom: sdx55: Drop IP0 interconnects")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20230109002935.244320-2-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
It turned out that - very unfortunately - msm8996 needs a binding
update, adding 2 more clocks to the A2NoC node. Use the _optional
variant of devm_clk_get to make sure old DTs will still probe with
newer versions of the driver.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> #db820c
Link: https://lore.kernel.org/r/20221210200353.418391-5-konrad.dybcio@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The device tree reg starts at BUS_BASE + QoS_OFFSET, but the regmap
configs in the ICC driver had values suggesting the reg started at
BUS_BASE. Shrink them down (where they haven't been already, so for
providers where QoS_OFFSET = 0) to make sure they stay within their
window.
Fixes: 7add937f5222 ("interconnect: qcom: Add MSM8996 interconnect provider driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> #db820c
Link: https://lore.kernel.org/r/20221210200353.418391-4-konrad.dybcio@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
On eMMC devices the bootloader has no business enabling UFS clocks.
That results in a platform hang and hard reboot when trying to vote
on paths including MASTER_UFS and since sync_state guarantees that
it's done at boot time, this effectively prevents such devices from
booting. Fix that.
Fixes: 7add937f5222 ("interconnect: qcom: Add MSM8996 interconnect provider driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> #db820c
Link: https://lore.kernel.org/r/20221210200353.418391-3-konrad.dybcio@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Add driver for the Qualcomm interconnect buses found in SM8550 based
platforms. The topology consists of several NoCs that are controlled by
a remote processor that collects the aggregated bandwidth for each
master-slave pairs.
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20221202232054.2666830-3-abel.vesa@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The SC8280XP currently shows depressing results in memory benchmarks.
Fix this by introducing support for the platform in the OSM (and EPSS)
L3 driver and support for the platform in the bwmon binding.
Link: https://lore.kernel.org/r/20221111032515.3460-1-quic_bjorande@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Pointers to struct qcom_icc_bcm are const, but the change was dropped
during merge.
Fixes: 016fca59f95f ("Merge branch 'icc-const' into icc-next")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221027154848.293523-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
devm_ioremap_resource() prints error message in itself. Remove the
dev_err call to avoid redundant error message.
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220924015043.25130-1-shangxiaojing@huawei.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The aggregation over votes for all nodes in the provider will always
only find the bandwidth votes for the destination side of the path.
Further more, the average kBps value will always be 0.
Simplify the logic by directly looking at the destination node's peak
bandwidth request.
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Tested-by: Steev Klimaszewski <steev@kali.org>
Reviewed-by: Sibi Sankar <quic_sibis@quicinc.com>
Link: https://lore.kernel.org/r/20221111032515.3460-5-quic_bjorande@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The EPSS instance in e.g. SM8350 and SC8280XP has per-core L3 voting
enabled. In this configuration, the "shared" vote is done using the
REG_L3_VOTE register instead of PERF_STATE.
Rename epss_l3 to clarify that it's affecting the PERF_STATE register
and add a new L3_VOTE description. Given platform lineage it's assumed
that the L3_VOTE-based case will be the predominant one, so use this for
a new generic qcom,epss-l3 compatible.
While adding the EPSS generic, also add qcom,osm-l3.
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Tested-by: Steev Klimaszewski <steev@kali.org>
Reviewed-by: Sibi Sankar <quic_sibis@quicinc.com>
Link: https://lore.kernel.org/r/20221111032515.3460-4-quic_bjorande@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Each platform defines their own OSM L3 descriptor, but in practice
there's only two: one for OSM and one for EPSS. Remove the duplicated
definitions.
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Tested-by: Steev Klimaszewski <steev@kali.org>
Reviewed-by: Sibi Sankar <quic_sibis@quicinc.com>
Link: https://lore.kernel.org/r/20221111032515.3460-3-quic_bjorande@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The identifiers used for nodes needs to be unique in the running system,
but defining them per platform results in a lot of duplicated
definitions and prevents us from using generic compatibles.
As these identifiers are not exposed outside the kernel, change to use
driver-local numbers, picked completely at random.
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Tested-by: Steev Klimaszewski <steev@kali.org>
Reviewed-by: Sibi Sankar <quic_sibis@quicinc.com>
Link: https://lore.kernel.org/r/20221111032515.3460-2-quic_bjorande@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Today remove callbacks of platform devices return an int. This is unfortunate
because the device core ignores the return value and so the platform code only
emits a warning (and still removes the device).
The longterm quest is to make these remove callbacks return void instead.
This series is a preparation for that, with the goal to make the remove
callbacks obviously always return 0. This way when the prototype of
these functions is changed to return void, the change is straight
forward and easy to review.
Link: https://lore.kernel.org/r/20220718121409.171773-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Make INTERCONNECT_QCOM tristate so that icc-common.c can be
compiled as a module.
Signed-off-by: Huang Yiwei <quic_hyiwei@quicinc.com>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220914064122.16222-1-quic_hyiwei@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
icc_provider_del() already emits an error message on failure. In this
case letting .remove() return the corresponding error code results in
another error message and the device is removed anyhow. (See
platform_remove().)
So ignore the return value of icc_provider_del() and return 0
unconditionally.
This is a preparation for making platform remove callbacks return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220718121409.171773-7-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
icc_provider_del() already emits an error message on failure. In this
case letting .remove() return the corresponding error code results in
another error message and the device is removed anyhow. (See
platform_remove().)
So ignore the return value of icc_provider_del() and return 0
unconditionally.
This is a preparation for making platform remove callbacks return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220718121409.171773-6-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
icc_provider_del() already emits an error message on failure. In this
case letting .remove() return the corresponding error code results in
another error message and the device is removed anyhow. (See
platform_remove().)
So ignore the return value of icc_provider_del() and return 0
unconditionally.
This is a preparation for making platform remove callbacks return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220718121409.171773-5-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
icc_provider_del() already emits an error message on failure. In this
case letting .remove() return the corresponding error code results in
another error message and the device is removed anyhow. (See
platform_remove().)
So ignore the return value of icc_provider_del() and return 0
unconditionally.
This is a preparation for making platform remove callbacks return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220718121409.171773-4-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
icc_provider_del() already emits an error message on failure. In this
case letting .remove() return the corresponding error code results in
another error message and the device is removed anyhow. (See
platform_remove().)
So ignore the return value of icc_provider_del() and return 0
unconditionally.
This is a preparation for making platform remove callbacks return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220718121409.171773-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
This patch set is to support bucket in icc-rpm driver, so it implements
the similar mechanism in the icc-rpmh driver.
It uses interconnect path tag to indicate the bandwidth voting is for
which buckets, and there have three kinds of buckets: AWC, WAKE and
SLEEP, finally the wake and sleep bucket values are used to set the
corresponding clock (active and sleep clocks). So far, we keep the AWC
bucket but doesn't really use it.
Link: https://lore.kernel.org/r/20220712015929.2789881-1-leo.yan@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
This commit uses buckets for support bandwidth and clock rates. It
introduces a new function qcom_icc_bus_aggregate() to calculate the
aggregate average and peak bandwidths for every bucket, and also it
calculates the maximum value of aggregated average bandwidth across all
buckets.
The maximum aggregated average is used to calculate the final bandwidth
requests. And we can set the clock rate per bucket, we use SLEEP bucket
as default bucket if a platform doesn't enable the interconnect path
tags in DT binding; otherwise, we use WAKE bucket to set active clock
and use SLEEP bucket for other clocks. So far we don't use AMC bucket.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Link: https://lore.kernel.org/r/20220712015929.2789881-6-leo.yan@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The current interconnect rpm driver uses a single aggregate bandwidth to
calculate the clock rates for both active and sleep clocks; therefore,
it has no chance to separate bandwidth requests for these two kinds of
clocks.
This patch studies the implementation from interconnect rpmh driver to
support multiple buckets. The rpmh driver provides three buckets for
AMC, WAKE, and SLEEP; this driver only needs to use WAKE and SLEEP
buckets, but we keep the same way with rpmh driver, this can allow us to
reuse the DT binding and avoid to define duplicated data structures.
This patch introduces two callbacks: qcom_icc_pre_bw_aggregate() is used
to clean up bucket values before aggregate bandwidth requests, and
qcom_icc_bw_aggregate() is to aggregate bandwidth for buckets.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Link: https://lore.kernel.org/r/20220712015929.2789881-5-leo.yan@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
This commit changes to use callback qcom_icc_xlate_extended(). This
is a preparation for population path tags from the interconnect DT
binding, it doesn't introduce functionality change for the existed DT
binding without path tags.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20220712015929.2789881-4-leo.yan@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
since there have conflict between two headers icc-rpmh.h and icc-rpm.h,
the function qcom_icc_xlate_extended() is declared in icc-rpmh.h thus
it cannot be used by icc-rpm driver.
Move the function to a new common file icc-common.c so that allow it to
be called by multiple drivers.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20220712015929.2789881-3-leo.yan@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Make it possible to set destination as well as source bandwidth. If the
*dst pointer is non-NULL. Right now it appears that we never make the
destination bw allocation call, which is inconsistent with the downstream
way of doing this.
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20220707093823.1691870-1-bryan.odonoghue@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
It's fashion to use the icc_sync_state callback to notify the framework
when all consumers are probed, so that the bandwidth request doesn't
need to stay on maximum value.
Do the same thing for msm8939 driver.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Link: https://lore.kernel.org/r/20220416012634.479617-1-leo.yan@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
This patch set is to address two clock rate setting issues.
The first patch is to fix a potential cached clock rate mismatching
issue, the issue can lead to the clock rate is missed to be set. Note,
since this potential issue requires specific time window and certain
condition (consumers need to request the same bandwidth) to produce,
the patch is based on analysis but not a real trace log.
The second patch is an extension to cache clock rates for active and
sleep clocks separately, with this change it gives us possibility to set
active and sleep clock with different clock rates.
* icc-rpm
interconnect: qcom: icc-rpm: Fix for cached clock rate
interconnect: qcom: icc-rpm: Cache every clock rate
Link: https://lore.kernel.org/r/20220416031029.693211-1-leo.yan@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
This contains a few fixes for the sc8180x interconnect provider driver to make
it functional.
* icc-sc8180x
dt-bindings: interconnect: Add SC8180X QUP0 virt provider
interconnect: qcom: sc8180x: Modernize sc8180x probe
interconnect: qcom: sc8180x: Fix QUP0 nodes
interconnect: qcom: sc8180x: Mark some BCMs keepalive
Link: https://lore.kernel.org/r/20220503211925.1022169-1-bjorn.andersson@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The Qualcomm interconnect providers started off defining nodes and BCMs
using the DEFINE_QNODE() and DEFINE_QBCM() macros. Unfortunately this
results in a block of long lines that are hard to read, a transition to
explicitly stated definition has been made for newly introduced
platforms.
Transition the SC8180X interconnect provider driver to this style as
well, to make it easier to read while debugging interconnect related
issues.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220503225300.1141814-1-bjorn.andersson@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The QUP0 BCM relates to some internal property of the QUPs, and should
be configured independently of the path to the QUP. In line with other
platforms expose QUP_CORE endpoints in order allow this configuration.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220503211925.1022169-4-bjorn.andersson@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
