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We're only adding BCMs to the commit list in aggregate(), but there are
cases where pre_aggregate() is called without subsequently calling
aggregate(). In particular, in icc_sync_state() when a node with initial
BW has zero requests. Since BCMs aren't added to the commit list in
these cases, we don't actually send the zero BW request to HW. So the
resources remain on unnecessarily.
Add BCMs to the commit list in pre_aggregate() instead, which is always
called even when there are no requests.
Signed-off-by: Mike Tipton <mdtipton@codeaurora.org>
[georgi: remove icc_sync_state for platforms with incomplete support]
Link: https://lore.kernel.org/r/20211125174751.25317-1-djakov@kernel.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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The current probe/remove functions are implemented separately for each
target, but they are almost identical. Replace them with common
functions that can be used across all rpmh targets.
Signed-off-by: Mike Tipton <mdtipton@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20210621214241.13521-1-mdtipton@codeaurora.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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In addition to the rest of Qcom interconnect drivers use icc_sync_state
for SM8150/SM8250 interconnect drivers to notify the interconnect
framework when all consumers are probed and there is no need to keep the
bandwidth set to maximum anymore.
Also move the BCM initialization before creating the nodes to set the
max bandwidth in hardware for the initialization/probing stage.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fixes: 7d3b0b0d8184 ("interconnect: qcom: Use icc_sync_state")
Link: https://lore.kernel.org/r/20201027133418.976687-1-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
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Add driver for the Qualcomm interconnect buses found in SM8150 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.
Based on SC7180 driver and generated from downstream dts.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200728023811.5607-5-jonathan@marek.ca
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
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