[Bug 109712] S2idle is not working on AMD Gigabyte platform

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109712

            Bug ID: 109712
           Summary: S2idle is not working on AMD Gigabyte platform
           Product: Mesa
           Version: 18.2
          Hardware: x86-64 (AMD64)
                OS: other
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: shahulhameed.481 at gmail.com
        QA Contact: dri-devel at lists.freedesktop.org

Created attachment 143427
  --> https://bugs.freedesktop.org/attachment.cgi?id=143427&action=edit
suspend/resume error log in s2idle

I am porting Android_N and kernel 4.19.2 on  AMD Gigabyte  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

I attached complete dmesg log.

Please someone help me to resolve this issue.
Thanks and Regards,
Sk shahul.

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