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The Qualcomm SCP firmware in X1E machines like the Lenovo ThinkPad T14s
does not set the FastChannel supported attribute bit for PERF_LEVEL_GET
but crashes when falling back to regular messaging.
Use the new SCMI quirk framework to force FastChannel initialisation for
this implementation.
Note that we can add an upper bound on the version matching when we
learn which version has a fix (or limit matching using a SoC compatible
string in the unlikely event that always enabling FC causes trouble
somewhere).
Link: https://lore.kernel.org/lkml/Z4Dt8E7C6upVtEGV@hovoldconsulting.com/
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Message-Id: <20250430135146.5154-1-johan+linaro@kernel.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Convert an existing quirk in CLOCK_DESCRIBE_RATES parsing to the new quirk
framework. This is a sort of a peculiar quirk since it matches any platform
and any firmware.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Message-Id: <20250429141108.406045-4-cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Add a common framework to describe SCMI quirks and associate them with a
specific platform or a specific set of SCMI firmware versions.
All the matching SCMI quirks will be enabled when the SCMI core stack
probes and after all the needed SCMI firmware versioning information was
retrieved using the base protocol.
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Message-Id: <20250429141108.406045-3-cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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