drm fixes for 6.1-rc6

core:
- Fix potential memory leak in drm_dev_init()
- Fix potential null-ptr-deref in drm_vblank_destroy_worker()
- Revert hiding unregistered connectors from userspace, as it breaks on DP-MST.
- Add workaround for DP++ dual mode adaptors that don't support
  i2c subaddressing.

i915:
- Fix uaf with lmem_userfault_list handling

amdgpu:
- gang submit fixes
- Fix a possible memory leak in ganng submit error path
- DP tunneling fixes
- DCN 3.1 page flip fix
- DCN 3.2.x fixes
- DCN 3.1.4 fixes
- Don't expose degamma on hardware that doesn't support it
- BACO fixes for SMU 11.x
- BACO fixes for SMU 13.x
- Virtual display fix for devices with no display hardware

amdkfd:
- Memory limit regression fix

tegra:
- tegra20 GART fix

vc4:
- Fix error handling in vc4_atomic_commit_tail()

lima:
- Set lima's clkname corrrectly when regulator is missing.

panel:
- Set bpc for logictechno panels.
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