Re: [PATCH v2 1/3] drm/modes: introduce drm_mode_validate_mode() helper function

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On Mon, 25 Nov 2024, Maxime Ripard <mripard@xxxxxxxxxx> wrote:
> I wonder about the naming though (and prototype). I doesn't really
> validates a mode, but rather makes sure that a given rate is a good
> approximation of a pixel clock. So maybe something like
> drm_mode_check_pixel_clock?

Quoting myself from a few weeks back:

"""
Random programming thought of the day: "check" is generally a terrible
word in a function name.

Checking stuff is great, but what do you expect to happen if the check
passes/fails? Do you expect the function to return on fail, or throw an
exception? Or just log about it? If you return a value, what should the
return value mean? It's hard to know without looking it up.

Prefer predicates instead, is_stuff_okay() is better than
check_stuff(). Or assert_stuff() if you don't return on failures.
"""


BR,
Jani.


-- 
Jani Nikula, Intel



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