[Bug 221073] xHCI host controller dies on resume from s2idle on AMD Strix Halo [1022:1587]

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=221073

Mario Limonciello (AMD) (mario.limonciello@amd.com) changed:

           What    |Removed                     |Added
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 Attachment #310446|0                           |1
        is obsolete|                            |

--- Comment #59 from Mario Limonciello (AMD) (mario.limonciello@amd.com) ---
Created attachment 310447
  --> https://bugzilla.kernel.org/attachment.cgi?id=310447&action=edit
possible patch for device link (v4)

OK, here is a version with it moved deeper into amdgpu code to only apply to
these systems.
Moving it here lets us potentially gate it on a firmware version in case the
firmware was adjusted to fix this race.

I have also submitted the workaround for review upstream.

https://lore.kernel.org/amd-gfx/20260713195313.1739762-1-mario.limonciello@amd.com/

NOTE: This is slightly different than what I'm attaching to this ticket.  
* The one attached to this ticket is against 7.2-rc3.
* The one I'm submitting upstream is against amd-staging-drm-next, which is
standard practice for upstream submissions.

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