diff --git a/src/soc/mediatek/common/display.c b/src/soc/mediatek/common/display.c
index c7493feeb8..417a764499 100644
--- a/src/soc/mediatek/common/display.c
+++ b/src/soc/mediatek/common/display.c
@@ -56,6 +56,13 @@ __weak int mtk_dsi_init(u32 mode_flags, u32 format, u32 lanes,
 	return -1;
 }
 
+static void process_panel_quirks(struct mtk_dp *mtk_dp,
+				 struct panel_description *panel)
+{
+	if (panel->quirks & PANEL_QUIRK_FORCE_MAX_SWING)
+		mtk_dp->force_max_swing = true;
+}
+
 int mtk_display_init(void)
 {
 	struct edid edid = {0};
@@ -80,6 +87,7 @@ int mtk_display_init(void)
 		panel->power_on();
 
 	mtk_ddp_init();
+	process_panel_quirks(&mtk_edp, panel);
 
 	if (panel->disp_path == DISP_PATH_EDP) {
 		mdelay(200);
diff --git a/src/soc/mediatek/common/dp/include/soc/dptx_common.h b/src/soc/mediatek/common/dp/include/soc/dptx_common.h
index 2ea070eca7..af8c9dce6d 100644
--- a/src/soc/mediatek/common/dp/include/soc/dptx_common.h
+++ b/src/soc/mediatek/common/dp/include/soc/dptx_common.h
@@ -212,6 +212,7 @@ struct mtk_dp {
 	bool dsc_enable;
 	bool enabled;
 	bool powered;
+	bool force_max_swing;
 };
 
 int mtk_edp_init(struct mtk_dp *mtk_dp, struct edid *edid);
diff --git a/src/soc/mediatek/common/include/soc/display.h b/src/soc/mediatek/common/include/soc/display.h
index 61bc21fc98..2881505860 100644
--- a/src/soc/mediatek/common/include/soc/display.h
+++ b/src/soc/mediatek/common/include/soc/display.h
@@ -12,6 +12,8 @@ enum disp_path_sel {
 	DISP_PATH_MIPI,
 };
 
+#define PANEL_QUIRK_FORCE_MAX_SWING	BIT(0)
+
 struct panel_description {
 	const char *name;
 	void (*configure_backlight)(void);
@@ -21,6 +23,7 @@ struct panel_description {
 	enum lb_fb_orientation orientation;
 	enum disp_path_sel disp_path;
 	bool pwm_ctrl_gpio;
+	uint32_t quirks;
 };
 
 int mtk_display_init(void);
diff --git a/src/soc/mediatek/mt8196/dptx.c b/src/soc/mediatek/mt8196/dptx.c
index 926850a675..b892b1a562 100644
--- a/src/soc/mediatek/mt8196/dptx.c
+++ b/src/soc/mediatek/mt8196/dptx.c
@@ -61,7 +61,13 @@ static void update_swing_preemphasis(struct mtk_dp *mtk_dp, u8 lane_count,
 		int shift = lane % 2 ? DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT : 0;
 		u8 swing_value = dpcd_adjust_req[index] >> shift;
 
-		swing_val[lane] = swing_value & DP_ADJUST_VOLTAGE_SWING_LANE0_MASK;
+		if (mtk_dp->force_max_swing) {
+			swing_val[lane] = DPTX_SWING3;
+			printk(BIOS_INFO, "%s: Force swing setting to %u (500 mV)\n",
+			       __func__, swing_val[lane]);
+		} else {
+			swing_val[lane] = swing_value & DP_ADJUST_VOLTAGE_SWING_LANE0_MASK;
+		}
 		preemphasis[lane] = swing_value & DP_ADJUST_PRE_EMPHASIS_LANE0_MASK;
 		preemphasis[lane] >>= DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT;
 		val = swing_val[lane] << DP_TRAIN_VOLTAGE_SWING_SHIFT |