diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index ef1c4b929..1b286f081 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -476,6 +476,26 @@ static struct panel_desc *panel_dpi_probe(struct device *dev)
 	drm_bus_flags_from_videomode(&vm, &bus_flags);
 	desc->bus_flags = bus_flags;
 
+	/*
+	 * Optional bus-format (a MEDIA_BUS_FMT_* code, e.g. RGB666_1X18) so the
+	 * RGB/parallel output can be configured for the panel's real data width.
+	 * Upstream panel-dpi doesn't read this, but a parallel RGB panel with no
+	 * bus_format leaves the encoder guessing and the screen black. Match the
+	 * vendor bindings, which carry bus-format on the panel node. Derive bpc
+	 * from the width so panel-simple's {6,8} check is satisfied.
+	 */
+	if (!of_property_read_u32(np, "bus-format", &desc->bus_format)) {
+		switch (desc->bus_format) {
+		case MEDIA_BUS_FMT_RGB666_1X18:
+		case MEDIA_BUS_FMT_RGB666_1X24_CPADHI:
+			desc->bpc = 6;
+			break;
+		default:
+			desc->bpc = 8;
+			break;
+		}
+	}
+
 	/* We do not know the connector for the DT node, so guess it */
 	desc->connector_type = DRM_MODE_CONNECTOR_DPI;
 
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index ba6b0528d..f678ad891 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -1406,7 +1406,19 @@ static void vop_crtc_atomic_enable(struct drm_crtc *crtc,
 
 	switch (s->output_type) {
 	case DRM_MODE_CONNECTOR_LVDS:
-		VOP_REG_SET(vop, output, rgb_dclk_pol, 1);
+		/*
+		 * WardenOS 86-Panel (RV1106 internal parallel RGB): the panel
+		 * latches pixel data on the NON-inverted dclk edge. Mainline
+		 * hardcodes rgb_dclk_pol=1 here (inverted), which makes the
+		 * panel sample RGB on the wrong clock edge -> fully healthy
+		 * pipeline (connector connected, VOP streaming, backlight on)
+		 * but a physically BLACK screen. Verified by reading the working
+		 * vendor-5.10 _a slot's VOP register PX30_DSP_CTRL0 (0xff990020)
+		 * on real hardware: rgb_dclk_pol (bit1) = 0. The vendor 5.10 VOP
+		 * driver derives this as (bus_flags & PIXDATA_DRIVE_NEGEDGE)?1:0,
+		 * which resolves to 0 for this panel. Match that.
+		 */
+		VOP_REG_SET(vop, output, rgb_dclk_pol, 0);
 		VOP_REG_SET(vop, output, rgb_pin_pol, pin_pol);
 		VOP_REG_SET(vop, output, rgb_en, 1);
 		break;
diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
index d1f788763..e0d09595f 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
@@ -1232,6 +1232,37 @@ static const struct vop_data rv1126_vop = {
 	.lut_size = 1024,
 };
 
+/*
+ * RV1106 VOP: the same RV-series "lite" VOP as rv1126 (VOP_VERSION 2.0xc vs
+ * 2.0xb), so it reuses rv1126's register sub-structs. Only the version and the
+ * smaller max raster differ. Ported for the WardenOS 86-Panel (720x720 RGB).
+ */
+/*
+ * RV1106 uses WIN1 as its (only) primary scanout plane -- see px30_win1_data.
+ * The vendor rv1106_vop_win_data is { NULL-win0, win1-primary }; mirror that
+ * as a single primary win1 here (mainline registers one plane per non-NULL
+ * entry). Reusing rv1126's { win0-overlay, win2-primary } set left the panel
+ * black because WIN2 does not drive this SoC's RGB output.
+ */
+static const struct vop_win_data rv1106_vop_win_data[] = {
+	{ .base = 0x00, .phy = &px30_win1_data,
+	  .type = DRM_PLANE_TYPE_PRIMARY },
+};
+
+static const struct vop_data rv1106_vop = {
+	.version = VOP_VERSION(2, 0xc),
+	.feature = VOP_FEATURE_INTERNAL_RGB,	/* RV1106 drives a parallel-RGB panel */
+	.intr = &px30_intr,
+	.common = &rv1126_common,
+	.modeset = &rv1126_modeset,
+	.output = &rv1126_output,
+	.misc = &rv1126_misc,
+	.win = rv1106_vop_win_data,
+	.win_size = ARRAY_SIZE(rv1106_vop_win_data),
+	.max_output = { 1280, 1280 },
+	.lut_size = 1024,
+};
+
 static const struct of_device_id vop_driver_dt_match[] = {
 	{ .compatible = "rockchip,rk3036-vop",
 	  .data = &rk3036_vop },
@@ -1261,6 +1292,8 @@ static const struct of_device_id vop_driver_dt_match[] = {
 	  .data = &rk3328_vop },
 	{ .compatible = "rockchip,rv1126-vop",
 	  .data = &rv1126_vop },
+	{ .compatible = "rockchip,rv1106-vop",
+	  .data = &rv1106_vop },
 	{},
 };
 MODULE_DEVICE_TABLE(of, vop_driver_dt_match);