Mika Westerberg 03038d84ac PCI/ASPM: Make Intel DG2 L1 acceptable latency unlimited
Intel DG2 discrete graphics PCIe endpoints advertise L1 acceptable exit
latency to be < 1us even though they can actually tolerate unlimited exit
latencies just fine. Quirk the L1 acceptable exit latency for these
endpoints to be unlimited so ASPM L1 can be enabled.

[bhelgaas: use FIELD_GET/FIELD_PREP, wordsmith comment & commit log]
Link: https://lore.kernel.org/r/20220405093810.76613-1-mika.westerberg@linux.intel.com
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2022-04-07 12:00:36 -05:00
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