tree 4fc4d755018ad5bf8d4cd5c72060aee0252aaa58
parent 7ae8fa538e2aaabb5414e5e90584f9bcb7e6f1e4
author Tim Wawrzynczak <twawrzynczak@chromium.org> 1656439400 -0600
committer Tim Wawrzynczak <twawrzynczak@chromium.org> 1657728517 +0000

mb/google/brya/acpi: Keep track of dGPU power state

To avoid extraneous calls from the kernel to _ON or _OFF, keep track
of the power state of the GPU in an integer and exit _ON and _OFF
routines early when attempting to enter the current state.

BUG=b:236676400

Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: Ie874fcdc7022c4fde6f557d1ee06e8392ae3d850
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65482
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Robert Zieba <robertzieba@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>