From 6967741d26c87300a51b5e50d4acd104bc1a9759 Mon Sep 17 00:00:00 2001
From: Mario Limonciello <mario.limonciello@amd.com>
Date: Fri, 24 Nov 2023 09:56:32 -0600
Subject: [PATCH] drm/amd: Enable PCIe PME from D3
Git-commit: 6967741d26c87300a51b5e50d4acd104bc1a9759
Alt-commit: bd1f6a31e7762ebc99b97f3eda5e5ea3708fa792
Patch-mainline: v6.7-rc4
References: git-fixes
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 8f24cabe2155..8b33b130ea36 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -2263,6 +2263,8 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
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:
--
2.43.0