[PATCH 2/2] drm/i915/hdcp: Fix get remote hdcp capability function

Borah, Chaitanya Kumar chaitanya.kumar.borah at intel.com
Mon Apr 1 09:50:18 UTC 2024



> -----Original Message-----
> From: Kandpal, Suraj <suraj.kandpal at intel.com>
> Sent: Monday, April 1, 2024 11:27 AM
> To: intel-gfx at lists.freedesktop.org
> Cc: Borah, Chaitanya Kumar <chaitanya.kumar.borah at intel.com>; Kandpal,
> Suraj <suraj.kandpal at intel.com>
> Subject: [PATCH 2/2] drm/i915/hdcp: Fix get remote hdcp capability function
> 
> HDCP 1.x capability needs to be checked even if setup is not HDCP 2.x capable.
> 
> --v2
> -Assign hdcp_capable and hdcp2_capable to false [Chaitanya]
> 
> --v3
> -Fix variable assignment [Chaitanya]
> 
> Fixes: 813cca96e4ac ("drm/i915/hdcp: Add new remote capability check shim
> function")
> Signed-off-by: Suraj Kandpal <suraj.kandpal at intel.com>

LGTM

Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>


> ---
>  drivers/gpu/drm/i915/display/intel_dp_hdcp.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
> b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
> index 179e754e5c30..92b03073acdd 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
> @@ -691,12 +691,15 @@ int intel_dp_hdcp_get_remote_capability(struct
> intel_connector *connector,
>  	u8 bcaps;
>  	int ret;
> 
> +	*hdcp_capable = false;
> +	*hdcp2_capable = false;
>  	if (!intel_encoder_is_mst(connector->encoder))
>  		return -EINVAL;
> 
>  	ret =  _intel_dp_hdcp2_get_capability(aux, hdcp2_capable);
>  	if (ret)
> -		return ret;
> +		drm_dbg_kms(&i915->drm,
> +			    "HDCP2 DPCD capability read failed err: %d\n", ret);
> 
>  	ret = intel_dp_hdcp_read_bcaps(aux, i915, &bcaps);
>  	if (ret)
> --
> 2.43.2



More information about the Intel-gfx mailing list