Re: [PATCH v3 4/7] drm/i915/pxp: Invalidate all PXP fw sessions during teardown

2023-01-04 Thread Juston Li
On Wed, 2022-12-21 at 15:06 -0800, Alan Previn wrote: > A gap was recently discovered where if an application did not > invalidate all of the stream keys (intentionally or not), and the > driver did a full PXP global teardown on the GT subsystem, we > find that future session creation would fail

[PATCH v3 4/7] drm/i915/pxp: Invalidate all PXP fw sessions during teardown

2022-12-21 Thread Alan Previn
A gap was recently discovered where if an application did not invalidate all of the stream keys (intentionally or not), and the driver did a full PXP global teardown on the GT subsystem, we find that future session creation would fail on the security firmware's side of the equation. i915 is the