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authorTim Wawrzynczak <twawrzynczak@chromium.org>2022-08-30 12:50:46 -0600
committerFelix Held <felix-coreboot@felixheld.de>2022-09-12 12:31:12 +0000
commitd6ac209c74a2ce8d0d7f07390f62d447c02fedf3 (patch)
tree5492ed576c901bb372fb0c1378e5e33c2a0938ef /util/cbfstool/tests
parent63aca9233b96be13e227bba0dffee6e5e265fbb3 (diff)
mb/google/brya/acpi: Remove erroneous _PR0/_PR3
The Linux kernel runtime D3 framework expects a PCIe device to have a power resource in order to be properly power-manageable. The _PR0/_PR3 values were pointing at the PEG0 Device, which is not a PowerResource, so this must have confused the RTD3 framework and RTD3 was not functional. Removing the _PR0/_PR3 fixes the problem. BUG=b:243888246 TEST=echo auto > /sys/bus/pci/devices/0000:01:00.0/power/control; sleep 10; echo on > /sys/bus/pci/devices/0000:01:00.0/power/control After this there are no longer errors seen in dmesg about failing to place the device into D0. Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Change-Id: I83fa1e5fabd3257b097c10e7a13c9861872685ea Reviewed-on: https://review.coreboot.org/c/coreboot/+/67212 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Cliff Huang <cliff.huang@intel.com> Reviewed-by: Tarun Tuli <taruntuli@google.com> Reviewed-by: Subrata Banik <subratabanik@google.com> Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
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