diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index 403bbd5f99a9fa97c025f60be11e31a6e043027e..e3f03efe719b11987d8dc7f3d1ec1a2f508dbe72 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -546,18 +546,17 @@ static void vc4_crtc_enable(struct drm_crtc *crtc)
 	drm_crtc_vblank_on(crtc);
 }
 
-static bool vc4_crtc_mode_fixup(struct drm_crtc *crtc,
-				const struct drm_display_mode *mode,
-				struct drm_display_mode *adjusted_mode)
+static enum drm_mode_status vc4_crtc_mode_valid(struct drm_crtc *crtc,
+						const struct drm_display_mode *mode)
 {
 	/* Do not allow doublescan modes from user space */
-	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) {
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN) {
 		DRM_DEBUG_KMS("[CRTC:%d] Doublescan mode rejected.\n",
 			      crtc->base.id);
-		return false;
+		return MODE_NO_DBLESCAN;
 	}
 
-	return true;
+	return MODE_OK;
 }
 
 static int vc4_crtc_atomic_check(struct drm_crtc *crtc,
@@ -867,7 +866,7 @@ static const struct drm_crtc_helper_funcs vc4_crtc_helper_funcs = {
 	.mode_set_nofb = vc4_crtc_mode_set_nofb,
 	.disable = vc4_crtc_disable,
 	.enable = vc4_crtc_enable,
-	.mode_fixup = vc4_crtc_mode_fixup,
+	.mode_valid = vc4_crtc_mode_valid,
 	.atomic_check = vc4_crtc_atomic_check,
 	.atomic_flush = vc4_crtc_atomic_flush,
 };
diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c
index 2e0fe46aeb2e19c441509ffbfcd77a2a70590002..519cefef800d91f7fa6eb00dfbe2d5cb58393988 100644
--- a/drivers/gpu/drm/vc4/vc4_dpi.c
+++ b/drivers/gpu/drm/vc4/vc4_dpi.c
@@ -224,20 +224,19 @@ static void vc4_dpi_encoder_enable(struct drm_encoder *encoder)
 		DRM_ERROR("Failed to set clock rate: %d\n", ret);
 }
 
-static bool vc4_dpi_encoder_mode_fixup(struct drm_encoder *encoder,
-				       const struct drm_display_mode *mode,
-				       struct drm_display_mode *adjusted_mode)
+static enum drm_mode_status vc4_dpi_encoder_mode_valid(struct drm_encoder *encoder,
+						       const struct drm_display_mode *mode)
 {
-	if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
-		return false;
+	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+		return MODE_NO_INTERLACE;
 
-	return true;
+	return MODE_OK;
 }
 
 static const struct drm_encoder_helper_funcs vc4_dpi_encoder_helper_funcs = {
 	.disable = vc4_dpi_encoder_disable,
 	.enable = vc4_dpi_encoder_enable,
-	.mode_fixup = vc4_dpi_encoder_mode_fixup,
+	.mode_valid = vc4_dpi_encoder_mode_valid,
 };
 
 static const struct of_device_id vc4_dpi_dt_match[] = {