[PATCH] drm/sun4i: dw-hdmi: Fix ddc-en GPIO consumer conflict

Maxime Ripard maxime at cerno.tech
Thu Jun 16 07:53:05 UTC 2022


On Tue, 14 Jun 2022 02:31:00 -0500, Samuel Holland wrote:
> commit 6de79dd3a920 ("drm/bridge: display-connector: add ddc-en gpio
> support") added a consumer for this GPIO in the HDMI connector device.
> This new consumer conflicts with the pre-existing GPIO consumer in the
> sun8i HDMI controller driver, which prevents the driver from probing:
> 
>   [    4.983358] display-connector connector: GPIO lookup for consumer ddc-en
>   [    4.983364] display-connector connector: using device tree for GPIO lookup
>   [    4.983392] gpio-226 (ddc-en): gpiod_request: status -16
>   [    4.983399] sun8i-dw-hdmi 6000000.hdmi: Couldn't get ddc-en gpio
>   [    4.983618] sun4i-drm display-engine: failed to bind 6000000.hdmi (ops sun8i_dw_hdmi_ops [sun8i_drm_hdmi]): -16
>   [    4.984082] sun4i-drm display-engine: Couldn't bind all pipelines components
>   [    4.984171] sun4i-drm display-engine: adev bind failed: -16
>   [    4.984179] sun8i-dw-hdmi: probe of 6000000.hdmi failed with error -16
> 
> [...]

Applied to drm/drm-misc (drm-misc-fixes).

Thanks!
Maxime


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