Panel replay has to be enabled on sink side before link training. Take this
into account in fastset check and in initial fastset check.

Signed-off-by: Jouni Högander <jouni.hogan...@intel.com>
Reviewed-by: Animesh Manna <animesh.ma...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 12 ++++++++++++
 drivers/gpu/drm/i915/display/intel_dp.c      |  8 ++++++++
 drivers/gpu/drm/i915/display/intel_psr.c     |  3 ---
 drivers/gpu/drm/i915/display/intel_psr.h     |  3 +++
 4 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index a481c9218138..dc23312bc808 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -5298,6 +5298,18 @@ intel_pipe_config_compare(const struct intel_crtc_state 
*current_config,
                PIPE_CONF_CHECK_CSC(output_csc);
        }
 
+       /*
+        * Panel replay has to be enabled before link training. PSR doesn't have
+        * this requirement -> check these only if using panel replay
+        */
+       if (current_config->has_panel_replay || pipe_config->has_panel_replay) {
+               PIPE_CONF_CHECK_BOOL(has_psr);
+               PIPE_CONF_CHECK_BOOL(has_psr2);
+               PIPE_CONF_CHECK_BOOL(enable_psr2_sel_fetch);
+               PIPE_CONF_CHECK_BOOL(enable_psr2_su_region_et);
+               PIPE_CONF_CHECK_BOOL(has_panel_replay);
+       }
+
        PIPE_CONF_CHECK_BOOL(double_wide);
 
        if (dev_priv->display.dpll.mgr)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c 
b/drivers/gpu/drm/i915/display/intel_dp.c
index 8b67cd62f188..20f2d4d9d7b9 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -3386,6 +3386,14 @@ bool intel_dp_initial_fastset_check(struct intel_encoder 
*encoder,
                fastset = false;
        }
 
+       if (CAN_PANEL_REPLAY(intel_dp)) {
+               drm_dbg_kms(&i915->drm,
+                           "[ENCODER:%d:%s] Forcing full modeset to compute 
panel replay state\n",
+                           encoder->base.base.id, encoder->base.name);
+               crtc_state->uapi.mode_changed = true;
+               fastset = false;
+       }
+
        return fastset;
 }
 
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c 
b/drivers/gpu/drm/i915/display/intel_psr.c
index 4355fb02d8fd..4db6c19731e9 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -192,9 +192,6 @@
 #define CAN_PSR(intel_dp) ((intel_dp)->psr.sink_support && \
                           (intel_dp)->psr.source_support)
 
-#define CAN_PANEL_REPLAY(intel_dp) ((intel_dp)->psr.sink_panel_replay_support 
&& \
-                                   (intel_dp)->psr.source_panel_replay_support)
-
 bool intel_encoder_can_psr(struct intel_encoder *encoder)
 {
        if (intel_encoder_is_dp(encoder) || encoder->type == 
INTEL_OUTPUT_DP_MST)
diff --git a/drivers/gpu/drm/i915/display/intel_psr.h 
b/drivers/gpu/drm/i915/display/intel_psr.h
index 2537dcb8765c..d483c85870e1 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.h
+++ b/drivers/gpu/drm/i915/display/intel_psr.h
@@ -21,6 +21,9 @@ struct intel_encoder;
 struct intel_plane;
 struct intel_plane_state;
 
+#define CAN_PANEL_REPLAY(intel_dp) ((intel_dp)->psr.sink_panel_replay_support 
&& \
+                                   (intel_dp)->psr.source_panel_replay_support)
+
 bool intel_encoder_can_psr(struct intel_encoder *encoder);
 void intel_psr_init_dpcd(struct intel_dp *intel_dp);
 void intel_psr_enable_sink(struct intel_dp *intel_dp,
-- 
2.34.1

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