s2idle not working

[shahul hameed]

HI Alex,

I will check with your patch. if it doesn't work i will raise bug .

Regards,
Sk shahul.

On Thu, Feb 21, 2019 at 12:01 PM Alex Deucher <alexdeucher at gmail.com> wrote:

> On Wed, Feb 20, 2019 at 11:56 PM shahul hameed
> <shahulhameed.481 at gmail.com> wrote:
> >
> > 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.
>
> I'd suggest filing a bug (https://bugs.freedesktop.org) and attaching
> your full dmesg output.  I'm not too familiar with s2idle and what
> pmops paths it uses.  I suspect what is happening is that the power is
> not getting fully cut the the device when s2idle is invoked, and it's
> left in a bad state on resume.  Maybe something like the attached
> patch might help.  That said, if the platform is not properly cutting
> power to the device at s2idle time, you probably aren't saving any
> power anyway.
>
> Alex
>
> >
> > Thanks & Regards,
> > Sk shahul.
> >
> > On Thu, Feb 21, 2019 at 3:32 AM Alex Deucher <alexdeucher at gmail.com>
> wrote:
> >>
> >> On Wed, Feb 20, 2019 at 4:59 PM shahul hameed
> >> <shahulhameed.481 at gmail.com> 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 at gmail.com>
> >> > Date: Wed, Feb 20, 2019, 3:13 PM
> >> > Subject: s2idle not working
> >> > To: <shirish.s at amd.com>
> >> >
> >> >
> >> > 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.
> >> > _______________________________________________
> >> > amd-gfx mailing list
> >> > amd-gfx at lists.freedesktop.org
> >> > https://lists.freedesktop.org/mailman/listinfo/amd-gfx
>
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