[Bug 111572] Changing the "Broadcast RGB" property does not update the AVI InfoFrame

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111572

--- Comment #3 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
(In reply to Hans Verkuil from comment #2)
> Created attachment 145322 [details]
> Log with drm.debug=0x1e when setting Broadcast RGB
> 
> Attached is prop.log. I added a pr_info in
> intel_digital_connector_atomic_set_property() when the Broadcast RGB
> property changes ("HV: set broadcast_rgb to 1").
> 
> Note that I'm testing on an Intel NUC7i5BNB where DP-1 is a DP-to-HDMI
> branch device (MegaChips 2800). So it is not a native HDMI device.
> 
> I'm happy to test more if needed.

Ah LSPCON. Yeah that's probably borked because we have no readout and hence the
infoframe state checker isn't hooked up either, and so the code doesn't realize
it needs a full modeset to update the infoframe. Not the only problem in the
LSPCON code unfortunately.

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