[PATCHv4 4/4] drm/tegra: add cec-notifier support

Thierry Reding thierry.reding at gmail.com
Thu Oct 19 09:38:11 UTC 2017


On Mon, Sep 11, 2017 at 02:29:52PM +0200, Hans Verkuil wrote:
> From: Hans Verkuil <hans.verkuil at cisco.com>
> 
> In order to support CEC the HDMI driver has to inform the CEC driver
> whenever the physical address changes. So when the EDID is read the
> CEC driver has to be informed and whenever the hotplug detect goes
> away.
> 
> This is done through the cec-notifier framework.
> 
> The link between the HDMI driver and the CEC driver is done through
> the hdmi_phandle in the tegra-cec node in the device tree.
> 
> Signed-off-by: Hans Verkuil <hans.verkuil at cisco.com>
> ---
>  drivers/gpu/drm/tegra/Kconfig  | 1 +
>  drivers/gpu/drm/tegra/drm.h    | 3 +++
>  drivers/gpu/drm/tegra/hdmi.c   | 9 +++++++++
>  drivers/gpu/drm/tegra/output.c | 6 ++++++
>  4 files changed, 19 insertions(+)

I've applied this to drm/tegra/for-next.

Thanks,
Thierry
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