drm fixes for 5.11-rc5

core:
- atomic: Release state on error
- syncobj: Fix use-after-free
- ttm: Don't use GFP_TRANSHUGE_LIGTH
- vram-helper: Fix memory leak in vmap

vc4:
- Unify driver naming for PCM

i915:
- HDCP fixes
- PMU wakeref fix
- Fix HWSP validity race
- Fix DP protocol converter accidental 4:4:4->4:2:0 conversion for RGB

amdgpu:
- Green Sardine fixes
- Vangogh fixes
- Renoir fixes
- Misc display fixes
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