Re: [PATCH 1/3] drm: display: Set fwnode for aux bus devices
From: Thierry Reding
Date: Thu Oct 24 2024 - 13:28:25 EST
On Wed, Oct 23, 2024 at 11:13:42PM -0700, Saravana Kannan wrote:
> fwnode needs to be set for a device for fw_devlink to be able to
> track/enforce its dependencies correctly. Without this, you'll see error
> messages like this when the supplier has probed and tries to make sure
> all its fwnode consumers are linked to it using device links:
>
> mediatek-drm-dp 1c500000.edp-tx: Failed to create device link (0x180) with backlight-lcd0
>
> Reported-by: "Nícolas F. R. A. Prado" <nfraprado@xxxxxxxxxxxxx>
> Closes: https://lore.kernel.org/all/7b995947-4540-4b17-872e-e107adca4598@notapiano/
> Tested-by: "Nícolas F. R. A. Prado" <nfraprado@xxxxxxxxxxxxx>
> Signed-off-by: Saravana Kannan <saravanak@xxxxxxxxxx>
> ---
> drivers/gpu/drm/display/drm_dp_aux_bus.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Thierry Reding <treding@xxxxxxxxxx>
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