diff options
| author | Dennis Chan <dennis.chan@amd.com> | 2023-10-12 23:08:25 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-11-07 12:03:30 -0500 |
| commit | d0ef62bd109c2af3ba8dc16a6d5ad4a0f30e03dc (patch) | |
| tree | 8ff5f85a0ffb89f3af3e54178cecdb016adac7c6 /drivers/gpu | |
| parent | 77b2c07d7d3cc1ee11cb64d209d59e57b0ae649b (diff) | |
drm/amd/display: Revise Replay Desync Error IRQ handle
[Why]
Current Desync IRQ handler will have some potential do not hit the
desync error case. We change to check both desync error HPD and DPCD.
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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_types.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h index bb159b6b1b76..cea666ea66c6 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_types.h @@ -1039,6 +1039,7 @@ struct replay_config { uint32_t debug_flags; // Replay debug flags bool replay_timing_sync_supported; // Replay desync is supported bool force_disable_desync_error_check; // Replay desync is supported + bool received_desync_error_hpd; //Replay Received Desync Error HPD. 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 06e829ef48af..0c00e94e90b1 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 @@ -210,6 +210,9 @@ static void handle_hpd_irq_replay_sink(struct dc_link *link) &replay_error_status.raw, sizeof(replay_error_status.raw)); + if (replay_configuration.bits.DESYNC_ERROR_STATUS) + link->replay_settings.config.received_desync_error_hpd = 1; + link->replay_settings.config.replay_error_status.bits.LINK_CRC_ERROR = replay_error_status.bits.LINK_CRC_ERROR; link->replay_settings.config.replay_error_status.bits.DESYNC_ERROR = |