On Mon, Mar 30, 2026 at 09:25:50PM +0200, Luca Ceresoli wrote:
> The imx8mp-hdmi-tx one of many drivers based on dw-hdmi. dw-hdmi in turn
> can operate in two different modes, depending on the platform data as set
> by the driver:
> 
>  A. hdmi->plat_data->output_port = 0:
>     the HDMI output (port@1) in device tree is not used [0]
> 
>  B. hdmi->plat_data->output_port = 1:
>     the HDMI output (port@1) is parsed to find the next bridge
> 
> The imx8mp-hdmi-tx driver falls in case A. Switching to case B, which is
> the current best practice, requires that the HDMI connector is always
> described in the live device tree, and a previous commit ensured this is
> always the case by adding an overlay in case the device tree does not
> comply.
> 
> So now we can simply switch to the new mode and support
> DRM_BRIDGE_ATTACH_NO_CONNECTOR.
> 
> Signed-off-by: Luca Ceresoli <[email protected]>
> 
> ---
> 
> Changes in v2:
> - new patch, split out of the previous patch
> ---
>  drivers/gpu/drm/bridge/imx/imx8mp-hdmi-tx.c | 1 +
>  1 file changed, 1 insertion(+)

Reviewed-by: Liu Ying <[email protected]>

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