This is a note to let you know that I've just added the patch titled
drm/amd: Enable PCIe PME from D3
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amd-enable-pcie-pme-from-d3.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 6967741d26c87300a51b5e50d4acd104bc1a9759 Mon Sep 17 00:00:00 2001
From: Mario Limonciello <mario.limonciello@xxxxxxx>
Date: Fri, 24 Nov 2023 09:56:32 -0600
Subject: drm/amd: Enable PCIe PME from D3
From: Mario Limonciello <mario.limonciello@xxxxxxx>
commit 6967741d26c87300a51b5e50d4acd104bc1a9759 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@xxxxxxxxxxxxxxx # 6.1+
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -2195,6 +2195,8 @@ retry_init:
pm_runtime_mark_last_busy(ddev->dev);
pm_runtime_put_autosuspend(ddev->dev);
+ pci_wake_from_d3(pdev, TRUE);
+
/*
* For runpm implemented via BACO, PMFW will handle the
* timing for BACO in and out:
Patches currently in stable-queue which might be from mario.limonciello@xxxxxxx are
queue-6.6/drm-amd-enable-pcie-pme-from-d3.patch
