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

[Tomi Valkeinen]

Hi,

On 09/12/2025 14:03, 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>
> ---
>  .../drm/bridge/cadence/cdns-mhdp8546-core.c   | 23 +++++++++++++++++++
>  1 file changed, 23 insertions(+)
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>

 Tomi