Re: [Intel-gfx] [PATCH v3 9/9] drm/i915: Implement HDCP for DisplayPort

2017-12-05 Thread Daniel Vetter
On Tue, Dec 05, 2017 at 12:15:08AM -0500, Sean Paul wrote: > This patch adds HDCP support for DisplayPort connectors by implementing > the intel_hdcp_shim. > > Most of this is straightforward read/write from/to DPCD registers. One > thing worth pointing out is the Aksv output bit. It wasn't

Re: [Intel-gfx] [PATCH v3 9/9] drm/i915: Implement HDCP for DisplayPort

2017-12-05 Thread Ramalingam C
On Tuesday 05 December 2017 10:45 AM, Sean Paul wrote: +static +bool intel_dp_hdcp_check_link(struct intel_digital_port *intel_dig_port) +{ + ssize_t ret; + u8 bstatus; + ret = drm_dp_dpcd_read(_dig_port->dp.aux, DP_AUX_HDCP_BSTATUS, + , 1); +

[Intel-gfx] [PATCH v3 9/9] drm/i915: Implement HDCP for DisplayPort

2017-12-04 Thread Sean Paul
This patch adds HDCP support for DisplayPort connectors by implementing the intel_hdcp_shim. Most of this is straightforward read/write from/to DPCD registers. One thing worth pointing out is the Aksv output bit. It wasn't easily separable like it's HDMI counterpart, so it's crammed in with the