drm fixes for 5.19-rc3

atomic:
- fix spurious compiler warning

ttm:
- add NULL ptr check in swapout code
- fix bulk move handling

i915:
- Fix page fault on error state read
- Fix memory leaks in per-gt sysfs
- Fix multiple fence handling
- Remove accidental static from a local variable

amdgpu:
- Fix regression in GTT size reporting
- OLED backlight fix

exynos:
- Check a null pointer instead of IS_ERR().
- Rework initialization code of Exynos MIC driver.
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