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path: root/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_hdcp.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp_hdcp.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
index b0101d72b9c1..3425b3643143 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
@@ -152,7 +152,7 @@ int intel_dp_hdcp_repeater_present(struct intel_digital_port *dig_port,
ssize_t ret;
u8 bcaps;
- ret = intel_dp_hdcp_read_bcaps(&dig_port->dp.aux, i915, &bcaps);
+ ret = intel_dp_hdcp_read_bcaps(&dig_port->dp.aux, i915, &bcaps);
if (ret)
return ret;
@@ -677,8 +677,15 @@ static
int intel_dp_hdcp2_get_capability(struct intel_connector *connector,
bool *capable)
{
- struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
- struct drm_dp_aux *aux = &dig_port->dp.aux;
+ struct intel_digital_port *dig_port;
+ struct drm_dp_aux *aux;
+
+ *capable = false;
+ if (!intel_attached_encoder(connector))
+ return -EINVAL;
+
+ dig_port = intel_attached_dig_port(connector);
+ aux = &dig_port->dp.aux;
return _intel_dp_hdcp2_get_capability(aux, capable);
}