diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
index da74c2b5854f..035795042a01 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c
@@ -173,6 +173,15 @@ bool edp_set_backlight_level_nits(struct dc_link *link,
 
 		target_luminance = (struct target_luminance_value *)&backlight_millinits;
 
+		//make sure we disable AMD ABC first.
+		core_link_read_dpcd(link, DP_SOURCE_BACKLIGHT_CONTROL,
+			&backlight_enable, sizeof(uint8_t));
+		if (backlight_enable) {
+			backlight_enable = 0;
+			core_link_write_dpcd(link, DP_SOURCE_BACKLIGHT_CONTROL,
+					&backlight_enable, 1);
+		}
+
 		core_link_read_dpcd(link, DP_EDP_BACKLIGHT_MODE_SET_REGISTER,
 			&backlight_enable, sizeof(uint8_t));
 
@@ -193,10 +202,22 @@ bool edp_set_backlight_level_nits(struct dc_link *link,
 		*(uint16_t *)&dpcd_backlight_set.backlight_transition_time_ms = (uint16_t)transition_time_in_ms;
 
 		uint8_t backlight_control = isHDR ? 1 : 0;
+		uint8_t backlight_enable = 0;
+
 		// OLEDs have no PWM, they can only use AUX
 		if (link->dpcd_sink_ext_caps.bits.oled == 1)
 			backlight_control = 1;
 
+		//make sure we disable VESA ABC first.
+		core_link_read_dpcd(link, DP_EDP_BACKLIGHT_MODE_SET_REGISTER,
+			&backlight_enable, sizeof(uint8_t));
+
+		if (backlight_enable & DP_EDP_PANEL_LUMINANCE_CONTROL_ENABLE) {
+			backlight_enable &= ~DP_EDP_PANEL_LUMINANCE_CONTROL_ENABLE;
+			core_link_write_dpcd(link, DP_EDP_BACKLIGHT_MODE_SET_REGISTER,
+					&backlight_enable, sizeof(backlight_enable));
+		}
+
 		if (core_link_write_dpcd(link, DP_SOURCE_BACKLIGHT_LEVEL,
 			(uint8_t *)(&dpcd_backlight_set),
 			sizeof(dpcd_backlight_set)) != DC_OK)