Hi All,
I did below exoeriments:
-> S2idle is working in software rendering mode(disable AMDGPU driver).
-> For experiment purpose i commented suspend/resume calls of amdgpu driver, in this case S2idle worked.
With above experiments it is clear that my platform supports s2idel.Some issue in AMDGPU suspend/resume sequence for s2idle.
So can you please help me.
Thanks & Regards,
Sk shahul.
On Thu, Feb 21, 2019 at 3:32 AM Alex Deucher <alexdeucher@xxxxxxxxx> wrote:
On Wed, Feb 20, 2019 at 4:59 PM shahul hameed
<shahulhameed.481@xxxxxxxxx> wrote:
>
> Hi
>
> I am facing below issue. Can any one please help me to resolve it.
As I mentioned previously, please make sure the platform supports
s2idle and that it is enabled in the sbios. Does s2idle work on other
devices and the platform itself?
Alex
>
> Regards,
> Sk shahul
>
> ---------- Forwarded message ---------
> From: shahul hameed <shahulhameed.481@xxxxxxxxx>
> Date: Wed, Feb 20, 2019, 3:13 PM
> Subject: s2idle not working
> To: <shirish.s@xxxxxxx>
>
>
> 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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