Re: [PATCH v10 3/6] drm/bridge: cadence: cdns-mhdp8546-core: Handle HDCP state in bridge atomic check

[Luca Ceresoli]

On Tue Dec 9, 2025 at 1:03 PM CET, Harikrishna Shenoy wrote:
> Now that we have DRM_BRIDGE_ATTACH_NO_CONNECTOR framework, handle the
> HDCP state change in bridge atomic check as well to enable correct
> functioning for HDCP in both DRM_BRIDGE_ATTACH_NO_CONNECTOR and
> !DRM_BRIDGE_ATTACH_NO_CONNECTOR case.
>
> Without this patch, when using DRM_BRIDGE_ATTACH_NO_CONNECTOR flag, HDCP
> state changes would not be properly handled during atomic commits,
> potentially leading to HDCP authentication failures or incorrect
> protection status for content requiring HDCP encryption.
>
> Fixes: 6a3608eae6d33 ("drm: bridge: cdns-mhdp8546: Enable HDCP")
> Signed-off-by: Harikrishna Shenoy <h-shenoy@xxxxxx>

Reviewed-by: Luca Ceresoli <luca.ceresoli@xxxxxxxxxxx>

--
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com