[PATCH v4] drm/connector: hdmi: Fix writing Dynamic Range Mastering infoframes

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Tue Sep 24 14:21:38 UTC 2024


On Tue, Sep 24, 2024 at 04:13:08PM GMT, Maxime Ripard wrote:
> On Tue, 27 Aug 2024 11:39:04 -0500, Derek Foreman wrote:
> > The largest infoframe we create is the DRM (Dynamic Range Mastering)
> > infoframe which is 26 bytes + a 4 byte header, for a total of 30
> > bytes.
> > 
> > With HDMI_MAX_INFOFRAME_SIZE set to 29 bytes, as it is now, we
> > allocate too little space to pack a DRM infoframe in
> > write_device_infoframe(), leading to an ENOSPC return from
> > hdmi_infoframe_pack(), and never calling the connector's
> > write_infoframe() vfunc.
> > 
> > [...]
> 
> Applied to misc/kernel.git (drm-misc-fixes).

With an empty line between Fixes and the rest of the tags :-(

> 
> Thanks!
> Maxime
> 

-- 
With best wishes
Dmitry


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