Re: [PATCH v2 10/41] drm/modes: Add a function to generate analog display modes

[Maxime Ripard]

On Wed, Sep 07, 2022 at 11:31:21PM +0200, Mateusz Kwiatkowski wrote:
> The "canonical" modelines (at least for vc4's VEC, see the notes below):
> 
> - (vfp==4, vsync==6, vbp==39) for 576i
> - (vfp==7, vsync==6, vbp==32) for 480i
> - (vfp==5, vsync==6, vbp==28) for 486i (full frame NTSC as originally specified)

It's not clear to me either how you come up with those timings?

Maxime

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