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authorMatt DeVillier <matt.devillier@gmail.com>2017-10-18 12:27:25 -0500
committerMartin Roth <martinroth@google.com>2018-03-15 14:15:29 +0000
commit773488f3f7fc76ca252562435cb3a9f7abf64f5e (patch)
tree3942ebfa279bd37562544f1257b0708e8cea1ebe /src/mainboard
parentcb9f55ec388f733bbfa4851b3fdd9f49d648425f (diff)
soc/intel/broadwell: add support for Intel GMA OpRegion
Add global/ACPI nvs variables required for IGD OpRegion. Add functions necessary to generate ACPI OpRegion, save the table address in ASLB, and restore table address upon S3 resume. Implementation largely based on existing Haswell/Lynxpoint code. Test: boot Windows 10 on google/lulu with Tianocore payload and GOP display init, observe display driver loaded and functional, display not black screen when resuming from S3 suspend. Change-Id: I024f4f0784df3cbbb9977692e9ef0ff9c3552725 Signed-off-by: CoolStar <coolstarorganization@gmail.com> Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/25094 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org>
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