AuxXxilium/linux_dsm_epyc7002
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5be1805dc3
linux_dsm_epyc7002/drivers/interconnect/qcom
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Georgi Djakov 5be1805dc3 interconnect: qcom: sdm845: Enable keepalive for the MM1 BCM 
After enabling interconnect scaling for display on the db845c board,
in certain configurations the board hangs, while the following errors
are observed on the console:

  Error sending AMC RPMH requests (-110)
  qcom_rpmh TCS Busy, retrying RPMH message send: addr=0x50000
  qcom_rpmh TCS Busy, retrying RPMH message send: addr=0x50000
  qcom_rpmh TCS Busy, retrying RPMH message send: addr=0x50000
  ...

In this specific case, the above is related to one of the sequencers
being stuck, while client drivers are returning from probe and trying
to disable the currently unused clock and interconnect resources.
Generally we want to keep the multimedia NoC enabled like the rest of
the NoCs, so let's set the keepalive flag on it too.

Fixes: aae57773fb ("interconnect: qcom: sdm845: Split qnodes into their respective NoCs")
Reported-by: Amit Pundir <amit.pundir@linaro.org>
Reviewed-by: Mike Tipton <mdtipton@codeaurora.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Link: https://lore.kernel.org/r/20201012194034.26944-1-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
2020-10-15 09:23:25 +03:00
..
bcm-voter.c interconnect: qcom: Add support for per-BCM scaling factors 2020-09-08 16:28:57 +03:00
bcm-voter.h interconnect: qcom: Consolidate interconnect RPMh support 2020-02-28 12:11:40 +02:00
icc-rpmh.c interconnect: qcom: Implement xlate_extended() to parse tags 2020-09-08 16:29:00 +03:00
icc-rpmh.h interconnect: qcom: Implement xlate_extended() to parse tags 2020-09-08 16:29:00 +03:00
Kconfig interconnect: qcom: Add SM8250 interconnect provider driver 2020-09-08 16:28:53 +03:00
Makefile interconnect: qcom: Add SM8250 interconnect provider driver 2020-09-08 16:28:53 +03:00
msm8916.c interconnect: msm8916: Fix buswidth of pcnoc_s nodes 2020-07-23 10:45:24 +02:00
msm8974.c interconnect: qcom: Use the standard aggregate function 2019-12-16 09:25:24 +02:00
osm-l3.c Merge branch 'icc-syncstate' into icc-next 2020-09-18 09:13:40 +03:00
qcs404.c interconnect: qcom: Use the standard aggregate function 2019-12-16 09:25:24 +02:00
sc7180.c Merge branch 'icc-syncstate' into icc-next 2020-09-18 09:13:40 +03:00
sc7180.h interconnect: qcom: Add OSM L3 support on SC7180 2020-03-03 19:02:52 +02:00
sdm845.c interconnect: qcom: sdm845: Enable keepalive for the MM1 BCM 2020-10-15 09:23:25 +03:00
sdm845.h interconnect: qcom: Add OSM L3 interconnect provider support 2020-03-03 19:02:52 +02:00
sm8150.c interconnect: qcom: Add SM8150 interconnect provider driver 2020-09-08 16:28:51 +03:00
sm8150.h interconnect: qcom: Add OSM L3 support on SM8150 2020-09-08 16:29:01 +03:00
sm8250.c interconnect: qcom: Add SM8250 interconnect provider driver 2020-09-08 16:28:53 +03:00
sm8250.h interconnect: qcom: Add EPSS L3 support on SM8250 2020-09-08 16:29:01 +03:00
smd-rpm.c interconnect: qcom: Add interconnect RPM over SMD driver 2019-08-13 23:06:40 +03:00
smd-rpm.h interconnect: qcom: Add interconnect RPM over SMD driver 2019-08-13 23:06:40 +03:00