Re: [PATCH 7/9] drm/edid: Expose mandatory stereo modes for HDMI sinks

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On Mon, Sep 16, 2013 at 7:35 PM, Damien Lespiau
<damien.lespiau@xxxxxxxxx> wrote:
> I think it makes quite a bit of sense to have the "underlying 2D mode" in the
> mode structure as this 2d mode is relevant to the 3d mode:
>   - HDMI stereo modes are defined based on the unerdlying 2D mode. (eg the
>     extra, non-mandatory, modes in the EDID have their definitions pointing to
>     CEA 2D VICs)
>   - HDMI VIC infoframe: one needs to indicate the CEA VIC of this underlying 2d
>     mode when setting the stereo mode.
>
> Note that in the future, we also want to allow framebuffers with 2 distinct
> buffers for right and left.

I think this is the right approach. To extract a bit of common code we
could add a bunch more flags to drm_mode_set_crtcinfo so that drivers
don't need to compute the blow-up 3d modes (including the blank in
between the 2 left/right frames) themselves.

Cheers, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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