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authorMatt DeVillier <matt.devillier@amd.corp-partner.google.com>2022-08-31 11:00:51 -0500
committerFelix Held <felix-coreboot@felixheld.de>2022-09-30 13:15:22 +0000
commitfcfa4addd1b66dcdcd4425ead475c8188eef3abe (patch)
tree643f7cf56596e0010ec9503c510c21aca359215b /src/mainboard/hp/folio_9480m/acpi_tables.c
parent283e5876b552edbb7398c7f4f881b7fecd165dd1 (diff)
mb/google/guybrush: enable display backlight in ramstage
Commit c7204b5a4 [mb/google/guybrush: Enable backlight in the OS] disabled the GPIO for the display backlight in favor of using ACPI to enable it, but this breaks display output for payloads which do not/can not enable the backlight GPIO themselves (edk2, grub, SeaBIOS). Re-enable the GPIO for display backlight so that payloads other than depthcharge work properly. TEST=build/boot google/dewatt with Tianocore payload, verify payload display visible. Change-Id: I2519d779954ed89486045aa7de0b18f1c31a4374 Signed-off-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/67246 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com> Reviewed-by: Raul Rangel <rrangel@chromium.org> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
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