disp: msm: sde: wait for autorefresh_status to be idle in prepare kickoff

If cont splash is enabled, wait for autorefresh_status to be idle for
1 vsync in prepare kickoff. This patch also prevents entering to
rsc_solver_mode if autorefresh_status is busy.

Change-Id: Id7491361dae2482905e10a5a10e590d5f5b49e6f
Signed-off-by: Yojana Juadi <quic_yjuadi@quicinc.com>
Signed-off-by: Akash Gajjar <quic_agajjar@quicinc.com>

msm/sde/sde_encoder_phys_cmd.c

@@ -1805,6 +1805,28 @@ static void sde_encoder_phys_cmd_get_hw_resources(
 	hw_res->intfs[phys_enc->intf_idx - INTF_0] = INTF_MODE_CMD;
 }
 
+static void _sde_encoder_phys_wait_for_vsync_on_autorefresh_busy(struct sde_encoder_phys *phys_enc)
+{
+	u32 autorefresh_status;
+	int ret = 0;
+
+	if (!phys_enc || !phys_enc->hw_intf || !phys_enc->hw_intf->ops.get_autorefresh_status) {
+		SDE_ERROR("invalid params\n");
+		return;
+	}
+
+	autorefresh_status = phys_enc->hw_intf->ops.get_autorefresh_status(phys_enc->hw_intf);
+	if (autorefresh_status) {
+		ret = sde_encoder_wait_for_event(phys_enc->parent, MSM_ENC_VBLANK);
+		if (ret) {
+			autorefresh_status = phys_enc->hw_intf->ops.get_autorefresh_status(
+					phys_enc->hw_intf);
+			SDE_ERROR("wait for vblank timed out, autorefresh_status:%d\n",
+					autorefresh_status);
+		}
+	}
+}
+
 static int sde_encoder_phys_cmd_prepare_for_kickoff(
 		struct sde_encoder_phys *phys_enc,
 		struct sde_encoder_kickoff_params *params)
@@ -1829,7 +1851,9 @@ static int sde_encoder_phys_cmd_prepare_for_kickoff(
 	SDE_EVT32(DRMID(phys_enc->parent), phys_enc->hw_pp->idx - PINGPONG_0,
 			atomic_read(&phys_enc->pending_kickoff_cnt),
 			atomic_read(&cmd_enc->autorefresh.kickoff_cnt),
-			phys_enc->frame_trigger_mode, SDE_EVTLOG_FUNC_CASE1);
+			phys_enc->frame_trigger_mode,
+			phys_enc->cont_splash_enabled,
+			SDE_EVTLOG_FUNC_CASE1);
 
 	if (phys_enc->frame_trigger_mode == FRAME_DONE_WAIT_DEFAULT) {
 		/*
@@ -1846,6 +1870,9 @@ static int sde_encoder_phys_cmd_prepare_for_kickoff(
 		}
 	}
 
+	if (phys_enc->cont_splash_enabled)
+		_sde_encoder_phys_wait_for_vsync_on_autorefresh_busy(phys_enc);
+
 	if (phys_enc->recovered) {
 		recovery_events = sde_encoder_recovery_events_enabled(
 				phys_enc->parent);
@@ -2368,6 +2395,7 @@ static void _sde_encoder_autorefresh_disable_seq2(
 			tear_status.write_frame_count, tear_status.write_line_count);
 	}
 }
+
 static void _sde_encoder_phys_disable_autorefresh(struct sde_encoder_phys *phys_enc)
 {
 	struct sde_encoder_phys_cmd *cmd_enc = to_sde_encoder_phys_cmd(phys_enc);
@@ -2559,6 +2587,8 @@ static void sde_encoder_phys_cmd_init_ops(struct sde_encoder_phys_ops *ops)
 	ops->disable_autorefresh = _sde_encoder_phys_disable_autorefresh;
 	ops->idle_pc_cache_display_status = sde_encoder_phys_cmd_store_ltj_values;
 	ops->handle_post_kickoff = sde_encoder_phys_cmd_handle_post_kickoff;
+	ops->wait_for_vsync_on_autorefresh_busy =
+			_sde_encoder_phys_wait_for_vsync_on_autorefresh_busy;
 }
 
 static inline bool sde_encoder_phys_cmd_intf_te_supported(