Take into account in Panel Replay compute config that  HW will not allow PR
on eDP when HDCP enabled.

Signed-off-by: Jouni Högander <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c 
b/drivers/gpu/drm/i915/display/intel_psr.c
index 6f69bd6d4461..2bb25634b65d 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1474,8 +1474,13 @@ static bool _psr_compute_config(struct intel_dp 
*intel_dp,
 
 static bool
 _panel_replay_compute_config(struct intel_dp *intel_dp,
-                            const struct intel_crtc_state *crtc_state)
+                            const struct intel_crtc_state *crtc_state,
+                            const struct drm_connector_state *conn_state)
 {
+       struct intel_connector *connector =
+               to_intel_connector(conn_state->connector);
+       struct intel_hdcp *hdcp = &connector->hdcp;
+
        if (!CAN_PANEL_REPLAY(intel_dp))
                return false;
 
@@ -1488,6 +1493,14 @@ _panel_replay_compute_config(struct intel_dp *intel_dp,
        if (intel_dp_is_uhbr(crtc_state))
                return false;
 
+       /* HW will not allow Panel Replay on eDP when HDCP enabled */
+       if (conn_state->content_protection ==
+           DRM_MODE_CONTENT_PROTECTION_DESIRED ||
+           (conn_state->content_protection ==
+            DRM_MODE_CONTENT_PROTECTION_ENABLED && hdcp->value ==
+            DRM_MODE_CONTENT_PROTECTION_UNDESIRED))
+               return false;
+
        return true;
 }
 
@@ -1527,7 +1540,8 @@ void intel_psr_compute_config(struct intel_dp *intel_dp,
        }
 
        crtc_state->has_panel_replay = _panel_replay_compute_config(intel_dp,
-                                                                   crtc_state);
+                                                                   crtc_state,
+                                                                   conn_state);
 
        crtc_state->has_psr = crtc_state->has_panel_replay ? true :
                _psr_compute_config(intel_dp, crtc_state);
-- 
2.34.1

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