[Intel-gfx] [v2 1/2] drm/i915/display: Add support for darskscreen detection

[Jani Nikula]

On Fri, 27 Oct 2023, Nemesa Garg <nemesa.garg at intel.com> wrote:
> Darkscreen detection checks if all the pixels of the frame are less then
> or equal to the comparision value. The comparision value is set to 256
> i.e black. So upon getting black pixels from the pipe, the dark screen
> detect bit is set and an error message will be printed.

Okay, this still describes *what* the patch does, but not *why*. Why do
we need this? What for?

(Please just reply here for starters, instead of resending.)


BR,
Jani.


-- 
Jani Nikula, Intel