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drm/i915: debugfs: HDCP2.2 capability read 

Adding the HDCP2.2 capability of HDCP src and sink info into debugfs
entry "i915_hdcp_sink_capability"

This helps the userspace tests to skip the HDCP2.2 test on non HDCP2.2
sinks.

v2:
  Rebased.

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190507162745.25600-3-ramalingam.c@intel.com
This commit is contained in:
Ramalingam C 2019-05-07 21:57:36 +05:30 committed by Daniel Vetter
parent 585b000de2
commit 43318c0ae3
3 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/gpu/drm/i915/i915_debugfs.c
View File

@ -4757,6 +4757,7 @@ static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data)
{
struct drm_connector *connector = m->private;
struct intel_connector *intel_connector = to_intel_connector(connector);
bool hdcp_cap, hdcp2_cap;
if (connector->status != connector_status_connected)
return -ENODEV;
@ -4767,8 +4768,16 @@ static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data)
seq_printf(m, "%s:%d HDCP version: ", connector->name,
connector->base.id);
seq_printf(m, "%s ", !intel_hdcp_capable(intel_connector) ?
"None" : "HDCP1.4");
hdcp_cap = intel_hdcp_capable(intel_connector);
hdcp2_cap = intel_hdcp2_capable(intel_connector);
if (hdcp_cap)
seq_puts(m, "HDCP1.4 ");
if (hdcp2_cap)
seq_puts(m, "HDCP2.2 ");
if (!hdcp_cap && !hdcp2_cap)
seq_puts(m, "None");
seq_puts(m, "\n");
return 0;

2
drivers/gpu/drm/i915/intel_hdcp.c
View File

@ -79,7 +79,7 @@ bool intel_hdcp_capable(struct intel_connector *connector)
}
/* Is HDCP2.2 capable on Platform and Sink */
static bool intel_hdcp2_capable(struct intel_connector *connector)
bool intel_hdcp2_capable(struct intel_connector *connector)
{
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
struct intel_digital_port *intel_dig_port = conn_to_dig_port(connector);

1
drivers/gpu/drm/i915/intel_hdcp.h
View File

@ -25,6 +25,7 @@ int intel_hdcp_enable(struct intel_connector *connector);
int intel_hdcp_disable(struct intel_connector *connector);
bool is_hdcp_supported(struct drm_i915_private *dev_priv, enum port port);
bool intel_hdcp_capable(struct intel_connector *connector);
bool intel_hdcp2_capable(struct intel_connector *connector);
void intel_hdcp_component_init(struct drm_i915_private *dev_priv);
void intel_hdcp_component_fini(struct drm_i915_private *dev_priv);
void intel_hdcp_cleanup(struct intel_connector *connector);