Merge "disp: msm: dp: Check link clock status before stream clock status change"

msm/dp/dp_power.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (c) 2021-2022, Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2023, Qualcomm Innovation Center, Inc. All rights reserved.
  * Copyright (c) 2012-2021, The Linux Foundation. All rights reserved.
  */
 
@@ -465,6 +465,12 @@ static int dp_power_clk_enable(struct dp_power *dp_power,
 				goto error;
 			}
 		}
+
+		if (((pm_type == DP_STREAM0_PM) || (pm_type == DP_STREAM1_PM))
+				&& (!power->link_clks_on)) {
+			DP_ERR("Need to enable link clk before stream clks\n");
+			goto error;
+		}
 	}
 
 	rc = dp_power_clk_set_rate(power, pm_type, enable);