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Regards, Shirish S From: shahul hameed <shahulhameed....@gmail.com> Sent: Wednesday, February 20, 2019 3:14 PM To: S, Shirish <shiris...@amd.com> 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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