cxl/hdm: Add emulation when HDM decoders are not committed

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For the case where DVSEC range register(s) are active and HDM decoders are
not committed, use RR to provide emulation. A first pass is done to note
whether any decoders are committed. If there are no committed endpoint
decoders, then DVSEC ranges will be used for emulation.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/167640369536.935665.611974113442400127.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Dave Jiang 2023-02-14 11:41:35 -08:00 • committed by Dan Williams

parent 4474ce565e

commit d7a2153762

1 changed files with 29 additions and 0 deletions

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drivers/cxl/core/hdm.c

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