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Add a flags parameter through all of the coredump creation
functions. Add a bitmask flag to indicate if the top
level gpu_coredump event is triggered in response to
a GuC context reset notification.

Using that flag, ensure all coredump functions that
read or print mmio-register values related to work submission
or command-streamer engines are skipped and replaced with
a calls guc-capture module equivalent functions to retrieve
or print the register dump.

While here, split out display related register reading
and printing into its own function that is called agnostic
to whether GuC had triggered the reset.

For now, introduce an empty printing function that can
filled in on a subsequent patch just to handle formatting.
Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220321164527.2500062-13-alan.previn.teres.alexis@intel.com