From: Dennis Chan <dennis.c...@amd.com>

[why]
It's useful to disable the recovery mechanism when debugging replay
desync errors.

Signed-off-by: Dennis Chan <dennis.c...@amd.com>
Acked-by: Hersen Wu <hersenxs...@amd.com>
Reviewed-by: Robin Chen <robin.c...@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dc_types.h                      | 3 ++-
 .../drm/amd/display/dc/link/protocols/link_dp_irq_handler.c    | 3 +++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h 
b/drivers/gpu/drm/amd/display/dc/dc_types.h
index 40dc51853d62..bb159b6b1b76 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -1037,7 +1037,8 @@ struct replay_config {
        bool replay_smu_opt_supported;                  // SMU optimization is 
supported
        unsigned int replay_enable_option;              // Replay enablement 
option
        uint32_t debug_flags;                           // Replay debug flags
-       bool replay_timing_sync_supported;             // Replay desync is 
supported
+       bool replay_timing_sync_supported; // Replay desync is supported
+       bool force_disable_desync_error_check;             // Replay desync is 
supported
        union replay_error_status replay_error_status; // Replay error status
 };
 
diff --git 
a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c 
b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c
index 34bf8a9ef738..fc14c3644144 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c
@@ -190,6 +190,9 @@ static bool handle_hpd_irq_replay_sink(struct dc_link *link)
        /*AMD Replay version reuse DP_PSR_ERROR_STATUS for REPLAY_ERROR 
status.*/
        union psr_error_status replay_error_status;
 
+       if (link->replay_settings.config.force_disable_desync_error_check)
+               return true;
+
        if (!link->replay_settings.replay_feature_enabled)
                return false;
 
-- 
2.25.1

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