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System controller reports different types of events to GFX endpoint for
different usecases, add initial support for them. This will be further
extended to service those usecases.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Mallesh Koujalagi <mallesh.koujalagi@intel.com>
Link: https://patch.msgid.link/20260428054826.1202076-3-raag.jadav@intel.com
Signed-off-by: Riana Tauro <riana.tauro@intel.com>
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Add system controller interrupt handler which is denoted by 11th bit in
GFX master interrupt register. While at it, add worker for scheduling
system controller work.
Co-developed-by: Soham Purkait <soham.purkait@intel.com>
Signed-off-by: Soham Purkait <soham.purkait@intel.com>
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Mallesh Koujalagi <mallesh.koujalagi@intel.com>
Reviewed-by: Riana Tauro <riana.tauro@intel.com>
Link: https://patch.msgid.link/20260428054826.1202076-2-raag.jadav@intel.com
Signed-off-by: Riana Tauro <riana.tauro@intel.com>
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Add resume handling for System Controller to support system (S3/S4) and
runtime power management transitions.
On resume, restore SoC remapper configuration and mailbox interface to
re‑establish communication with firmware.
Signed-off-by: Anoop Vijay <anoop.c.vijay@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Badal Nilawar <badal.nilawar@intel.com>
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patch.msgid.link/20260327131837.2192929-15-anoop.c.vijay@intel.com
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Add initialization and cleanup infrastructure for System Controller
subsystem and integrate it into xe device probe path.
During initialization, platform support is checked via has_sysctrl
capability flag and the mailbox region is configured through SoC
remapper interface.
Signed-off-by: Anoop Vijay <anoop.c.vijay@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patch.msgid.link/20260327131837.2192929-13-anoop.c.vijay@intel.com
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