[PATCH] drm/i915: replace in_atomic() with manually set flag

[Krzysztof Karas]

Hi Maciej,

> The locked==true looks OK.
> 
thanks for review!

> However, I fear that there is some corner case with locked==false. 1 or 2
> calls back in chain looks good.
> 
> CI failures needs to be analyzed.
>
Yup, I already did that recently. I thought those were
suspicious, but I could not reproduce them locally on the
same platforms (I ran singluar tests and whole test suites from
igt_runner*.txt files as well). I re-triggered the tests for
that patch and the failures did not appear again:
https://patchwork.freedesktop.org/series/143402/#rev2

Krzysztof
>