[PATCH v9 05/11] drm/i915/psr: 128b/132b Panel Replay is not supported on eDP

[Jouni Högander]

Take into account that 128b/132b Panel Replay is not supported on eDP.

Bspec: 68920

v2:
  - make crtc_state as const
  - add debug message to print out why Panel Replay is not possible

Signed-off-by: Jouni Högander <jouni.hogan...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c 
b/drivers/gpu/drm/i915/display/intel_psr.c
index 601b39204ef8..9ff54f08b6ab 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1514,7 +1514,10 @@ static bool _psr_compute_config(struct intel_dp 
*intel_dp,
        return true;
 }
 
-static bool _panel_replay_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 drm_connector_state *conn_state)
 {
        struct drm_i915_private *i915 = dp_to_i915(intel_dp);
 
@@ -1526,6 +1529,18 @@ static bool _panel_replay_compute_config(struct intel_dp 
*intel_dp)
                return false;
        }
 
+       if (!intel_dp_is_edp(intel_dp))
+               return true;
+
+       /* Remaining checks are for eDP only */
+
+       /* 128b/132b Panel Replay is not supported on eDP */
+       if (intel_dp_is_uhbr(crtc_state)) {
+               drm_dbg_kms(&i915->drm,
+                           "Panel Replay is not supported with 128b/132b\n");
+               return false;
+       }
+
        return true;
 }
 
@@ -1564,7 +1579,9 @@ void intel_psr_compute_config(struct intel_dp *intel_dp,
                return;
        }
 
-       crtc_state->has_panel_replay = _panel_replay_compute_config(intel_dp);
+       crtc_state->has_panel_replay = _panel_replay_compute_config(intel_dp,
+                                                                   crtc_state,
+                                                                   conn_state);
 
        crtc_state->has_psr = crtc_state->has_panel_replay ? true :
                _psr_compute_config(intel_dp, crtc_state);
-- 
2.34.1