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authorTim Wawrzynczak <twawrzynczak@chromium.org>2022-09-01 11:48:38 -0600
committerFelix Held <felix-coreboot@felixheld.de>2022-09-12 12:31:24 +0000
commit7f287d23bc05606a805a61bc193d2a78c388f620 (patch)
treee6d967474757cd7642b5a82c5ee26a8facc5312b /src/mainboard/google/brya/Kconfig
parentd6ac209c74a2ce8d0d7f07390f62d447c02fedf3 (diff)
mb/google/brya/acpi: Move dGPU power checks earlier
Linux always "turns on" a PowerResource when it boots, regardless of _STA, so the _ON routine should be idempotent. In this case, it all is, except for the LTR restore, which would restore a value of 0 when _ON is run the first time, which means that LTR is disabled on the root port from then on, as the save/restore routines will keep saving/restoring that 0. THis patch fixes the problem by moving the power checks from PGON/PGOF to GCOO/GCOI. BUG=b:244409563 TEST=boot agah and verify that LTR is still enabled on the root port Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Change-Id: I4ed78323608eede5b8310598f1f1115497ab2b5b Reviewed-on: https://review.coreboot.org/c/coreboot/+/67278 Reviewed-by: Cliff Huang <cliff.huang@intel.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tarun Tuli <taruntuli@google.com>
Diffstat (limited to 'src/mainboard/google/brya/Kconfig')
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