diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index a58a969..b5d79ec 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -204,7 +204,6 @@ rcar_du_fb_create(struct drm_device *dev, struct drm_file *file_priv,
 	const struct rcar_du_format_info *format;
 	unsigned int max_pitch;
 	unsigned int align;
-	unsigned int bpp;
 	unsigned int i;
 
 	format = rcar_du_format_info(mode_cmd->pixel_format);
@@ -214,20 +213,32 @@ rcar_du_fb_create(struct drm_device *dev, struct drm_file *file_priv,
 		return ERR_PTR(-EINVAL);
 	}
 
-	/*
-	 * The pitch and alignment constraints are expressed in pixels on the
-	 * hardware side and in bytes in the DRM API.
-	 */
-	bpp = format->planes == 1 ? format->bpp / 8 : 1;
-	max_pitch =  4096 * bpp;
+	if (rcdu->info->gen < 3) {
+		/*
+		 * On Gen2 the DU limits the pitch to 4095 pixels and requires
+		 * buffers to be aligned to a 16 pixels boundary (or 128 bytes
+		 * on some platforms).
+		 */
+		unsigned int bpp = format->planes == 1 ? format->bpp / 8 : 1;
 
-	if (rcar_du_needs(rcdu, RCAR_DU_QUIRK_ALIGN_128B))
-		align = 128;
-	else
-		align = 16 * bpp;
+		max_pitch = 4095 * bpp;
+
+		if (rcar_du_needs(rcdu, RCAR_DU_QUIRK_ALIGN_128B))
+			align = 128;
+		else
+			align = 16 * bpp;
+	} else {
+		/*
+		 * On Gen3 the memory interface is handled by the VSP that
+		 * limits the pitch to 65535 bytes and has no alignment
+		 * constraint.
+		 */
+		max_pitch = 65535;
+		align = 1;
+	}
 
 	if (mode_cmd->pitches[0] & (align - 1) ||
-	    mode_cmd->pitches[0] >= max_pitch) {
+	    mode_cmd->pitches[0] > max_pitch) {
 		dev_dbg(dev->dev, "invalid pitch value %u\n",
 			mode_cmd->pitches[0]);
 		return ERR_PTR(-EINVAL);