diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 2809d0ccb1a7c27bf4c5971a52795aacda97430c..1a114e380f13ee8e13d970d18d57c8f4f930e093 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -875,6 +875,7 @@ static int sun4i_tcon_bind(struct device *dev, struct device *master,
 	struct sunxi_engine *engine;
 	struct device_node *remote;
 	struct sun4i_tcon *tcon;
+	struct reset_control *edp_rstc;
 	bool has_lvds_rst, has_lvds_alt, can_lvds;
 	int ret;
 
@@ -899,6 +900,20 @@ static int sun4i_tcon_bind(struct device *dev, struct device *master,
 		return PTR_ERR(tcon->lcd_rst);
 	}
 
+	if (tcon->quirks->needs_edp_reset) {
+		edp_rstc = devm_reset_control_get_shared(dev, "edp");
+		if (IS_ERR(edp_rstc)) {
+			dev_err(dev, "Couldn't get edp reset line\n");
+			return PTR_ERR(edp_rstc);
+		}
+
+		ret = reset_control_deassert(edp_rstc);
+		if (ret) {
+			dev_err(dev, "Couldn't deassert edp reset line\n");
+			return ret;
+		}
+	}
+
 	/* Make sure our TCON is reset */
 	ret = reset_control_reset(tcon->lcd_rst);
 	if (ret) {
@@ -1191,6 +1206,16 @@ static const struct sun4i_tcon_quirks sun8i_v3s_quirks = {
 	.has_channel_0		= true,
 };
 
+static const struct sun4i_tcon_quirks sun9i_a80_tcon_lcd_quirks = {
+	.has_channel_0	= true,
+	.needs_edp_reset = true,
+};
+
+static const struct sun4i_tcon_quirks sun9i_a80_tcon_tv_quirks = {
+	.has_channel_1	= true,
+	.needs_edp_reset = true,
+};
+
 /* sun4i_drv uses this list to check if a device node is a TCON */
 const struct of_device_id sun4i_tcon_of_table[] = {
 	{ .compatible = "allwinner,sun4i-a10-tcon", .data = &sun4i_a10_quirks },
@@ -1202,6 +1227,8 @@ const struct of_device_id sun4i_tcon_of_table[] = {
 	{ .compatible = "allwinner,sun8i-a83t-tcon-lcd", .data = &sun8i_a83t_lcd_quirks },
 	{ .compatible = "allwinner,sun8i-a83t-tcon-tv", .data = &sun8i_a83t_tv_quirks },
 	{ .compatible = "allwinner,sun8i-v3s-tcon", .data = &sun8i_v3s_quirks },
+	{ .compatible = "allwinner,sun9i-a80-tcon-lcd", .data = &sun9i_a80_tcon_lcd_quirks },
+	{ .compatible = "allwinner,sun9i-a80-tcon-tv", .data = &sun9i_a80_tcon_tv_quirks },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, sun4i_tcon_of_table);
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.h b/drivers/gpu/drm/sun4i/sun4i_tcon.h
index 78d55e7cd2b3d286b6d16c19a94c28e55a50c91c..d3a945b7bb604330945cc4f07084b9d0dfc9dd34 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.h
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.h
@@ -176,6 +176,7 @@ struct sun4i_tcon_quirks {
 	bool	has_channel_1;	/* a33 does not have channel 1 */
 	bool	has_lvds_alt;	/* Does the LVDS clock have a parent other than the TCON clock? */
 	bool	needs_de_be_mux; /* sun6i needs mux to select backend */
+	bool    needs_edp_reset; /* a80 edp reset needed for tcon0 access */
 
 	/* callback to handle tcon muxing options */
 	int	(*set_mux)(struct sun4i_tcon *, const struct drm_encoder *);