When port is disabled due to modeset or DPMS off actually
it disables the HDCP encryption keeping its state to
CP_ENABLED this doesn't enable HDCP again while port
gets enable again. HDCP state should set accordingly
when port is disabled.
CC: Ramalingam C <ramalingam.c@xxxxxxxxx>
Signed-off-by: Anshuman Gupta <anshuman.gupta@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_ddi.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 07acd0daca25..b1b79073e3f9 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -4137,7 +4137,14 @@ static void intel_disable_ddi(struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
- intel_hdcp_disable(to_intel_connector(old_conn_state->connector));
+ int ret;
+
+ ret = intel_hdcp_disable(to_intel_connector(old_conn_state->connector));
+
+ if (old_conn_state->content_protection ==
+ DRM_MODE_CONTENT_PROTECTION_ENABLED && !ret)
+ drm_hdcp_update_content_protection(old_conn_state->connector,
+ DRM_MODE_CONTENT_PROTECTION_DESIRED);
if (intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_HDMI))
intel_disable_ddi_hdmi(encoder, old_crtc_state, old_conn_state);
--
2.24.0
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