[Bug 110886] After S3 resume, kernel: [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]] *ERROR* [CRTC:57:crtc-0] flip_done timed out

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110886

--- Comment #9 from Kai-Heng Feng <kai.heng.feng at canonical.com> ---
(In reply to Andrey Grodzovsky from comment #8)
> (In reply to Kai-Heng Feng from comment #6)
> > Created attachment 145044 [details]
> > failed log when iommu is disabled.
> 
> What was the failur ewith IOMMU disabled ?
Blanked screen. Graphics no longer works.

>Is it the same as with IOMMU enabled ?
Yes.

> In the log I only see PSP errors on resume. Can you confirm that the only
> failure/error you observed in the log in that use case ?
Yes. I haven't seen 
"[drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]] *ERROR*
[CRTC:57:crtc-0] flip_done timed out"
for a while.

Now it always shows PSP fail.

> 
> Can you please provide your FW versions by 
> cat /sys/kernel/debug/dri/0/amdgpu_firmware_info
VCE feature version: 0, firmware version: 0x00000000
UVD feature version: 0, firmware version: 0x00000000
MC feature version: 0, firmware version: 0x00000000
ME feature version: 40, firmware version: 0x00000099
PFP feature version: 40, firmware version: 0x000000ae
CE feature version: 40, firmware version: 0x0000004d
RLC feature version: 1, firmware version: 0x00000213
RLC SRLC feature version: 1, firmware version: 0x00000001
RLC SRLG feature version: 1, firmware version: 0x00000001
RLC SRLS feature version: 1, firmware version: 0x00000001
MEC feature version: 40, firmware version: 0x0000018b
MEC2 feature version: 40, firmware version: 0x0000018b
SOS feature version: 0, firmware version: 0x00000000
ASD feature version: 0, firmware version: 0x001ad4d4
TA XGMI feature version: 0, firmware version: 0x00000000
TA RAS feature version: 0, firmware version: 0x00000000
SMC feature version: 0, firmware version: 0x00001e4f
SDMA0 feature version: 41, firmware version: 0x000000a9
VCN feature version: 0, firmware version: 0x0110901c
DMCU feature version: 0, firmware version: 0x00000000
VBIOS version: SWBRT32481.001

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