[PATCH 0/1][SRU][OEM-5.14] Yellow Carp S0i3 stability fix

[Alex Hung]

  BugLink: https://bugs.launchpad.net/bugs/1945348

[Impact]

  Below errors are reported with S0i3 on Yellow carp where under stress testing with 5.14.0 through 5.14.8.


  [drm:amdgpu_device_ip_resume_phase2 [amdgpu]] *ERROR* resume of IP block <sdma_v5_2> failed -110
  amdgpu 0000:04:00.0: amdgpu: amdgpu_device_ip_resume failed (-110).
  PM: dpm_run_callback(): pci_pm_resume+0x0/0x90 returns -110
  amdgpu 0000:04:00.0: PM: failed to resume async: error -110

[Fix]

  The patch fixes this by forcing exit gfxoff for sdma resume.

  The patch is in 5.15-rc4 (https://github.com/torvalds/linux/commit/26db706a6d77b9e184feb11725e97e53b7a89519)

[Test]

  This is requested by AMD.

[Where problems could occur]

  Low risk. This only affects AMD platforms with s0ix supports. The changes repeat what is (should be) done in firmware.

Prike Liang (1):
  drm/amdgpu: force exit gfxoff on sdma resume for rmb s0ix

 drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 8 ++++++++
 1 file changed, 8 insertions(+)

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2.33.1