s2idle not working

[shahul hameed]

Thanks, I will.

On Wed, Feb 20, 2019, 8:29 PM S, Shirish <Shirish.S at amd.com> wrote:

> Please mail your query to amd-gfx at lists.freedesktop.org .
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> Regards,
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> Shirish S
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> *From:* shahul hameed <shahulhameed.481 at gmail.com>
> *Sent:* Wednesday, February 20, 2019 3:14 PM
> *To:* S, Shirish <Shirish.S at amd.com>
> *Subject:* s2idle not working
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> Hi Shirish
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> 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.
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> But suspend/resume is not working in s2idle (Suspend to idle) mode.
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> during resume i found error in gpu driver.
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> [  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
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> same issue is reproduced with ubuntu16.04.
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> Can you please help me to resolve this issue.
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> Thanks in Advance,
>
> Regards,
>
> Sk shahul.
>
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