[Intel-gfx] drm/i915: v5.11 stable backport request

[Imre Deak]

Stable team, please backport the upstream commits

7962893ecb85 ("drm/i915: Disable runtime power management during shutdown")

to the v5.11 stable kernel, they fix a system shutdown failure.

References: https://lore.kernel.org/intel-gfx/042237f49ed1fd719126a3407d7c909e49addbea.camel@gmx.net
Reported-and-tested-by: Mario Hüttel <mario.huettel at gmx.net>

Thanks,
Imre