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Code Issues Releases Wiki Activity

drm/amd/display: Introduce flag for disabling Replay desync recovery

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

Signed-off-by: Dennis Chan <Dennis.Chan@amd.com>
Acked-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Robin Chen <robin.chen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dennis Chan 2023-05-03 14:20:17 +08:00 committed by Alex Deucher
parent 85de32cd7b
commit 39ad51cb61
2 changed files with 5 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/dc/dc_types.h
View file

@ -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
};

3
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c
View file

@ -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;