GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mb/google/brya/acpi: Don't clear GC6 flag after GC6 entry 

According to Nvidia, the GC6 flag (DFEN) should not get cleared after
a successful GC6 entry; the kernel driver will not re-inform ACPI
that the exit should be GC6 exit as well.

BUG=b:243888246
BRANCH=brya
TEST=tested by Nvidia

Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: I220795928d03f269de48278ea0ab57de7253fad5
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67745
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Tim Wawrzynczak 2022-09-20 11:47:02 -06:00 committed by Paul Fagerburg
parent 45b1da33c8
commit 0eba73228f
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/mainboard/google/brya/acpi/power.asl
View File

@ -338,6 +338,7 @@ Method (NPON, 0, Serialized)
/* Handle deferred GC6 vs. poweroff request */ /* Handle deferred GC6 vs. poweroff request */
Method (NPOF, 0, Serialized) Method (NPOF, 0, Serialized)
{ {
/* Don't touch the `DFEN` flag until the GC6 exit. */
If (DFEN == GC6_DEFER_ENABLE) If (DFEN == GC6_DEFER_ENABLE)
{ {
/* Deferred GC6 entry */ /* Deferred GC6 entry */
@ -345,8 +346,6 @@ Method (NPOF, 0, Serialized)
{ {
GC6I () GC6I ()
} }
DFEN = GC6_DEFER_DISABLE
} }
Else Else
{ {