[PATCH v7 17/23] drm: bridge: dw_hdmi: Declare bridge CEC notifier support
Hans Verkuil
hverkuil+cisco at kernel.org
Mon May 18 23:35:23 PDT 2026
On 18/05/2026 20:01, Jonas Karlman wrote:
> EDID and CEC phys addr is now being updated in bridge detect() func,
> making it possible to have CEC notifier support using the bridge
> connector.
>
> Add the CEC notifier bridge op to instruct the bridge connector to make
> use of the generic CEC notifier helpers.
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Acked-by: Hans Verkuil <hverkuil+cisco at kernel.org>
Regards,
Hans
> ---
> v7: Only declare CEC notifier support when CEC device register succeeds
> v6: New patch
> ---
> drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> index 0c4388e7aa5e..5dacb8a99715 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> @@ -3515,6 +3515,10 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev,
> pdevinfo.dma_mask = 0;
>
> hdmi->cec = platform_device_register_full(&pdevinfo);
> + if (!IS_ERR(hdmi->cec)) {
> + hdmi->bridge.ops |= DRM_BRIDGE_OP_HDMI_CEC_NOTIFIER;
> + hdmi->bridge.hdmi_cec_dev = hdmi->dev;
> + }
> }
>
> drm_bridge_add(&hdmi->bridge);
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