[Intel-gfx] [RFC-v21 07/13] drm/i915/pxp: Destroy arb session upon teardown

Teardown is triggered when the display topology changes and no long meets the secure playback requirement, and hardware trashes all the encryption keys for display. So as a result, PXP should handle such case and terminate the type0 sessions, which including arb session rev21: - Bug fixing, we

[Intel-gfx] [RFC-v21 07/13] drm/i915/pxp: Destroy arb session upon teardown

Teardown is triggered when the display topology changes and no long meets the secure playback requirement, and hardware trashes all the encryption keys for display. So as a result, PXP should handle such case and terminate the type0 sessions, which including arb session rev21: - Bug fixing, we