diff options
| author | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2022-07-27 10:09:04 -0600 |
|---|---|---|
| committer | Paul Fagerburg <pfagerburg@chromium.org> | 2022-07-28 20:02:56 +0000 |
| commit | 5625dace84929b0fb6d3feb2bceda9dd0d5bb087 (patch) | |
| tree | edfe403b8869585b304f0b55d9566d8d486a939c | |
| parent | 460fea65239db16efd4777b3d28f661b906ff469 (diff) | |
mb/google/brya/acpi: Add L23 entry/exit sequences during dGPU GCOFF
When the dGPU is entering GCOFF, the link should first be placed into
L2/L3 as appropriate for the design, then when exiting, the link should
be placed back into L0. This patch fixes that oversight.
BUG=b:239719056
TEST=build
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: Ia3bdfe5641216675e06ebe82ffe58bf8c049b26b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66200
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
| -rw-r--r-- | src/mainboard/google/brya/acpi/power.asl | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/acpi/power.asl b/src/mainboard/google/brya/acpi/power.asl index 6f69c89374..2dd8706a8e 100644 --- a/src/mainboard/google/brya/acpi/power.asl +++ b/src/mainboard/google/brya/acpi/power.asl @@ -221,6 +221,7 @@ Method (NPON, 0, Serialized) Else { PGON () + \_SB.PCI0.PEG0.LD23 () } } @@ -239,6 +240,7 @@ Method (NPOF, 0, Serialized) } Else { + \_SB.PCI0.PEG0.DL23 () PGOF () } } |