iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amd: Enable PCIe PME from D3

Browse Source 
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>
This commit is contained in:
Mario Limonciello 2023-11-24 09:56:32 -06:00 committed by Alex Deucher
parent 7a88f23e76
commit 6967741d26
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
View File

@ -2263,6 +2263,8 @@ 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: