return result;
}
+bool dc_link_wait_for_t12(struct dc_link *link)
+{
+ if (link->connector_signal == SIGNAL_TYPE_EDP && link->dc->hwss.edp_wait_for_T12) {
+ link->dc->hwss.edp_wait_for_T12(link);
+
+ return true;
+ }
+
+ return false;
+}
+
/**
* dc_link_detect_sink() - Determine if there is a sink connected
*
bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link,
union hpd_irq_data *hpd_irq_dpcd_data, bool *out_link_loss);
+/*
+ * On eDP links this function call will stall until T12 has elapsed.
+ * If the panel is not in power off state, this function will return
+ * immediately.
+ */
+bool dc_link_wait_for_t12(struct dc_link *link);
+
enum dc_status read_hpd_rx_irq_data(
struct dc_link *link,
union hpd_irq_data *irq_data);
}
}
+void dce110_edp_wait_for_T12(
+ struct dc_link *link)
+{
+ struct dc_context *ctx = link->ctx;
+
+ if (dal_graphics_object_id_get_connector_id(link->link_enc->connector)
+ != CONNECTOR_ID_EDP) {
+ BREAK_TO_DEBUGGER();
+ return;
+ }
+
+ if (!link->panel_cntl)
+ return;
+
+ if (!link->panel_cntl->funcs->is_panel_powered_on(link->panel_cntl) &&
+ link->link_trace.time_stamp.edp_poweroff != 0) {
+ unsigned int t12_duration = 500; // Default T12 as per spec
+ unsigned long long current_ts = dm_get_timestamp(ctx);
+ unsigned long long time_since_edp_poweroff_ms =
+ div64_u64(dm_get_elapse_time_in_ns(
+ ctx,
+ current_ts,
+ link->link_trace.time_stamp.edp_poweroff), 1000000);
+
+ t12_duration += link->local_sink->edid_caps.panel_patch.extra_t12_ms; // Add extra T12
+
+ if (time_since_edp_poweroff_ms < t12_duration)
+ msleep(t12_duration - time_since_edp_poweroff_ms);
+ }
+}
+
/*todo: cloned in stream enc, fix*/
/*
* @brief
void dce110_edp_backlight_control(
struct dc_link *link,
bool enable);
+void dce110_edp_wait_for_T12(
+ struct dc_link *link);
void dce110_edp_power_control(
struct dc_link *link,
bool power_up);
.edp_backlight_control = dce110_edp_backlight_control,
.edp_power_control = dce110_edp_power_control,
.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
+ .edp_wait_for_T12 = dce110_edp_wait_for_T12,
.set_cursor_position = dcn10_set_cursor_position,
.set_cursor_attribute = dcn10_set_cursor_attribute,
.set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
/* Embedded Display Related */
void (*edp_power_control)(struct dc_link *link, bool enable);
void (*edp_wait_for_hpd_ready)(struct dc_link *link, bool power_up);
+ void (*edp_wait_for_T12)(struct dc_link *link);
/* Pipe Programming Related */
void (*init_hw)(struct dc *dc);