RE: s2idle not working

["S, Shirish" <Shirish.S@xxxxxxx>]

Please mail your query to amd-gfx@xxxxxxxxxxxxxxxxxxxxx .

 

 

 

Regards,

Shirish S

 

From: shahul hameed <shahulhameed.481@xxxxxxxxx>
Sent: Wednesday, February 20, 2019 3:14 PM
To: S, Shirish <Shirish.S@xxxxxxx>
Subject: s2idle not working

 

Hi Shirish

 

I am porting Android_N and keenel 4.19.2 to Ryzen platform. Graphic card is gfx9.

Porting is done successfully. Now i am working on suspend/resume.

Suspend/resume is working fine in deep mode.

But suspend/resume is not working in s2idle (Suspend to idle) mode.

 

during resume i found error in gpu driver.

 

[  105.862161] [drm:gfx_v9_0_hw_init [amdgpu]] *ERROR* KCQ enable failed (scratch(0xC040)=0xCAFEDEAD)
[  105.862187] [drm:amdgpu_device_ip_resume_phase2 [amdgpu]] *ERROR* resume of IP block <gfx_v9_0> failed -22
[  105.862210] [drm:amdgpu_device_resume [amdgpu]] *ERROR* amdgpu_device_ip_resume failed (-22).
[  105.862215] dpm_run_callback(): pci_pm_resume+0x0/0xd6 returns -22
[  105.862345] PM: Device 0000:03:00.0 failed to resume async: error -22

 

same issue is reproduced with ubuntu16.04.

 

Can you please help me to resolve this issue.

Thanks in Advance,

Regards,

Sk shahul.

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