[PATCH] drm/mm: revert "Break long searches in fragmented address spaces"

[Chris Wilson]

Quoting Christian König (2020-03-30 13:34:25)
> This reverts commit 7be1b9b8e9d1e9ef0342d2e001f44eec4030aa4d.
> 
> The drm_mm is supposed to work in atomic context, so calling schedule()
> or in this case cond_resched() is illegal.

https://patchwork.freedesktop.org/patch/358535/?series=74984&rev=1

(Though I do question the wisdom in searching, rather than just doing a
cursory check, from an atomic context :)
-Chris