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drm/amd: Enable PCIe PME from D3

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commit bd1f6a31e7762ebc99b97f3eda5e5ea3708fa792 upstream.

When dGPU is put into BOCO it may be in D3cold but still able send
PME on display hotplug event. For this to work it must be enabled
as wake source from D3.

When runpm is enabled use pci_wake_from_d3() to mark wakeup as
enabled by default.

Cc: stable@vger.kernel.org # 6.1+
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mario Limonciello 2023-11-24 09:56:32 -06:00 committed by Greg Kroah-Hartman
parent f49a30a24f
commit 0c8d252d0a
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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@ -2202,6 +2202,8 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
pci_wake_from_d3(pdev, TRUE);
pci_wake_from_d3(pdev, TRUE);
/*
* For runpm implemented via BACO, PMFW will handle the
* timing for BACO in and out: