diff --git a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
index eb1433456af6..ae95fb5b3d3a 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
@@ -1256,7 +1256,7 @@ static const struct vop2_video_port_data rk3568_vop_video_ports[] = {
 			VOP_FEATURE_HDR10 | VOP_FEATURE_OVERSCAN,
 	 .gamma_lut_len = 1024,
 	 .cubic_lut_len = 729, /* 9x9x9 */
-	 .max_output = { 4096, 2304 },
+	 .max_output = { 4096, 4096 },
 	 .pre_scan_max_dly = { 69, 53, 53, 42 },
 	 .intr = &rk3568_vp0_intr,
 	 .hdr_table = &rk3568_vop_hdr_table,
@@ -1267,7 +1267,7 @@ static const struct vop2_video_port_data rk3568_vop_video_ports[] = {
 	 .soc_id = { 0x3568, 0x3566 },
 	 .feature = VOP_FEATURE_ALPHA_SCALE | VOP_FEATURE_OVERSCAN,
 	 .gamma_lut_len = 1024,
-	 .max_output = { 2048, 1536 },
+	 .max_output = { 2048, 2048 },
 	 .pre_scan_max_dly = { 40, 40, 40, 40 },
 	 .intr = &rk3568_vp1_intr,
 	 .regs = &rk3568_vop_vp1_regs,
@@ -1277,7 +1277,7 @@ static const struct vop2_video_port_data rk3568_vop_video_ports[] = {
 	 .feature = VOP_FEATURE_ALPHA_SCALE | VOP_FEATURE_OVERSCAN,
 	 .soc_id = { 0x3568, 0x3566 },
 	 .gamma_lut_len = 1024,
-	 .max_output = { 1920, 1080 },
+	 .max_output = { 1920, 1920 },
 	 .pre_scan_max_dly = { 40, 40, 40, 40 },
 	 .intr = &rk3568_vp2_intr,
 	 .regs = &rk3568_vop_vp2_regs,