diff options
| author | Jack Chang <jack.chang@amd.com> | 2024-12-16 10:02:08 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-01-10 19:59:37 +0300 |
| commit | 7d8a4bffe5d1b9bb4fcba3fce0d2ccfb22c2cfca (patch) | |
| tree | 44b1569ca5da5fa40ad1cdf072d0347ff40bc8ff /drivers/gpu/drm/amd/display/dc | |
| parent | 59fb2d0697de0fa9e48b98414420f5a59ca5583c (diff) | |
| download | linux-7d8a4bffe5d1b9bb4fcba3fce0d2ccfb22c2cfca.tar.xz | |
drm/amd/display: Add replay desync error count tracking and reset functionality
[Why & How]
Build-up get/reset desync error count interface and implement the functions.
Reviewed-by: ChunTao Tso <chuntao.tso@amd.com>
Reviewed-by: Robin Chen <robin.chen@amd.com>
Signed-off-by: Jack Chang <jack.chang@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_types.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c | 3 |
2 files changed, 5 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 ff5b162f3916..0aef2d84c3a4 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_types.h @@ -1147,6 +1147,8 @@ struct replay_settings { uint16_t abm_with_ips_on_full_screen_video_pseudo_vtotal; /* Replay last pseudo vtotal set to DMUB */ uint16_t last_pseudo_vtotal; + /* Replay desync error */ + uint32_t replay_desync_error_fail_count; }; /* To split out "global" and "per-panel" config settings. 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 ae47bb5975af..a08403c022ea 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 @@ -239,6 +239,9 @@ static void handle_hpd_irq_replay_sink(struct dc_link *link) &replay_configuration.raw, sizeof(replay_configuration.raw)); + /* Update desync error counter */ + link->replay_settings.replay_desync_error_fail_count++; + /* Acknowledge and clear error bits */ dm_helpers_dp_write_dpcd( link->ctx, |