drm fixes for 7.1-rc6

dumb-buffer:
- prevent overflows in dumb-buffer creation

dma-buf:
- fix UAF in dma_buf_fd() tracepoint

gem:
- fix for the fix for the fix for the change handle ioctl

i915:
- Fix potential UAF in TTM object purge
- Use polling when irqs are unavailable
- Fix HDR pre-CSC LUT programming loop
- Block DC states on vblank enable when Panel Replay supported
- Use DC_OFF wake reference to block DC6 on vblank enable

xe:
- Restore IDLEDLY regiter on engine reset

amdgpu:
- GEM_OP warning fix
- GEM_OP locking fix
- Userq fixes
- DCN 2.1 refclk fix
- SI fix
- HMM fixes

amdkfd:
- svm_range_set_attr locking fix
- CRIU restore fix
- KFD debugger fix

amdxdna:
- require IOMMU on AIE2

hyperv:
- improve protocol validation

ivpu:
- test write offset in debugfs

rocket:
- fix UAF in bo creation
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