From: Jack Chang <jack.chang@xxxxxxx>
[Why & How]
Build-up get/reset desync error count interface and implement the functions.
Reviewed-by: ChunTao Tso <chuntao.tso@xxxxxxx>
Reviewed-by: Robin Chen <robin.chen@xxxxxxx>
Signed-off-by: Jack Chang <jack.chang@xxxxxxx>
Signed-off-by: Tom Chung <chiahsuan.chung@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dc_types.h | 2 ++
.../drm/amd/display/dc/link/protocols/link_dp_irq_handler.c | 3 +++
drivers/gpu/drm/amd/display/modules/power/power_helpers.c | 5 +++++
drivers/gpu/drm/amd/display/modules/power/power_helpers.h | 1 +
4 files changed, 11 insertions(+)
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,
diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
index 95838c7ab054..f4b86a63f25d 100644
--- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
+++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
@@ -1039,3 +1039,8 @@ bool fill_custom_backlight_caps(unsigned int config_no, struct dm_acpi_atif_back
memcpy(caps->data_points, custom_backlight_profiles[config_no].data_points, data_points_size);
return true;
}
+
+void reset_replay_dsync_error_count(struct dc_link *link)
+{
+ link->replay_settings.replay_desync_error_fail_count = 0;
+}
diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.h b/drivers/gpu/drm/amd/display/modules/power/power_helpers.h
index cac302e8fa10..94ade0ef18a3 100644
--- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.h
+++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.h
@@ -78,4 +78,5 @@ bool psr_su_set_dsc_slice_height(struct dc *dc, struct dc_link *link,
bool fill_custom_backlight_caps(unsigned int config_no,
struct dm_acpi_atif_backlight_caps *caps);
+void reset_replay_dsync_error_count(struct dc_link *link);
#endif /* MODULES_POWER_POWER_HELPERS_H_ */
--
2.34.1
