[Intel-gfx] [PATCH 0/2] Fix HDCP2 capability check

[Shankar, Uma]

> -----Original Message-----
> From: Kandpal, Suraj <suraj.kandpal at intel.com>
> Sent: Wednesday, August 30, 2023 1:05 PM
> To: intel-gfx at lists.freedesktop.org
> Cc: Nautiyal, Ankit K <ankit.k.nautiyal at intel.com>; Shankar, Uma
> <uma.shankar at intel.com>; Murthy, Arun R <arun.r.murthy at intel.com>; Kandpal,
> Suraj <suraj.kandpal at intel.com>
> Subject: [PATCH 0/2] Fix HDCP2 capability check
> 
> In DP MST scenarios we derive the connector and in turn the aux from
> intel_digital_port which always gave the primary monitors aux, this caused the
> capability of the primary monitor to be checked twice rather than enumerating the
> different HDCP capabilities for each monitor because of this we saw the below
> issues -primary monitor = HDCP 1.4 secondary monitor : HDCP 2.2 1.4
> i915_display_info reads as : HDCP 1.4 for both monitor
> 
> -primary monitor = HDCP 2.2 1.4 secondary monitor : HDCP 1.4 i915_display_info
> reads as : HDCP 2.2 1.4 for both monitor
> 
> Solution is to derive the aux from intel_connector instead.

Pushed to drm-intel-next. Thanks for the change.

Regards,
Uma Shankar

> Signed-off-by: Suraj Kandpal <suraj.kandpal at intel.com>
> 
> Suraj Kandpal (2):
>   drm/i915/hdcp: Use intel_connector as argument for hdcp_2_2_capable
>   drm/i915/hdcp: Use correct aux for capability check scenario
> 
>  drivers/gpu/drm/i915/display/intel_display_types.h | 2 +-
>  drivers/gpu/drm/i915/display/intel_dp_hdcp.c       | 7 +++++--
>  drivers/gpu/drm/i915/display/intel_hdcp.c          | 3 +--
>  drivers/gpu/drm/i915/display/intel_hdmi.c          | 3 ++-
>  4 files changed, 9 insertions(+), 6 deletions(-)
> 
> --
> 2.25.1