APPLIED [OEM-5.13] Re: [PATCH 0/1][SRU][U/H/OEM-5.10/OEM-5.13] UBUNTU: SAUCE: AMDGPU: Fix System hang after resume from suspend
tjaalton at ubuntu.com
Wed Aug 18 05:51:49 UTC 2021
On 17.8.2021 6.33, Koba Ko wrote:
> BugLink: https://bugs.launchpad.net/bugs/1940204
> With AMD-GPU and don't use it as a display output,
> After multiple Suspend&resume, system would hang.
> Disable BACO for polaris12 series.
> BACO allow the graphics cards on Linux to support S4 / hibernation support.
> [Test Case]
> 1. Must plug AMD GPU and don't use it as display output
> 2. Plug DP/HDMI on iGPU.
> 3. Suspend&resume machine.
> 4. check if system hangs.
> [Where problems could occur]
> Disable BACO would cause higher power consumption.
> Evan Quan (1):
> drm/amdgpu: disable BACO support for 699F:C7 polaris12 SKU temporarily
> drivers/gpu/drm/amd/amdgpu/vi.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
applied to oem-5.13, thanks
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