This resolved the issue for me on X1 Carbon (9th Gen) with Fedora 35. Hardware specs: 00:02.0 VGA compatible controller: Intel Corporation TigerLake-LP GT2 [Iris Xe Graphics] (rev 01) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device 22d5 Flags: bus master, fast devsel, latency 0, IRQ 141, IOMMU group 1 Memory at 603c000000 (64-bit, non-prefetchable) [size=16M] Memory at 4000000000 (64-bit, prefetchable) [size=256M] I/O ports at 3000 [size=64] Expansion ROM at 000c0000 [virtual] [disabled] [size=128K] Capabilities: [40] Vendor Specific Information: Len=0c <?> Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00 Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable+ 64bit- Capabilities: [d0] Power Management version 2 Capabilities: [100] Process Address Space ID (PASID) Capabilities: [200] Address Translation Service (ATS) Capabilities: [300] Page Request Interface (PRI) Capabilities: [320] Single Root I/O Virtualization (SR-IOV) Kernel driver in use: i915 Kernel modules: i915

BZ#2027040 Kernel 5.15.4 breaks Iris Xe Graphics: i915 GPU hang in 5.15.x kernels