diff --git a/drivers/gpu/drm/apple/iomfb_v14_7.c b/drivers/gpu/drm/apple/iomfb_v14_7.c
index d55f96b2ba123f..58a127cb54f062 100644
--- a/drivers/gpu/drm/apple/iomfb_v14_7.c
+++ b/drivers/gpu/drm/apple/iomfb_v14_7.c
@@ -163,6 +163,12 @@ static const struct dcp_v14_board dcp_v14_board_j516c = {
 	.log_bringup = true,
 	.base_edid = true,
 	.swap_timestamps = true,
+	/*
+	 * The J516S panel and this image's swap carry the level block the
+	 * T6030 record uses (present byte +0x354, binary64 nits +0x35c, 500 nits
+	 * at most), as the e272b67 path on this J516C presented it.
+	 */
+	.panel_nits = true,
 };
 
 /*
@@ -292,7 +298,7 @@ struct apple_dcp_v14 {
 	u64 swaps;
 	u64 swap_ns_max;
 
-	/* Immutable probe admission: only the J514S/J516S internal panel. */
+	/* Immutable probe admission: only the J514S/J516S/J516C internal panel. */
 	bool panel_nits;
 	/* Copy of the last accepted surface; active_fb pins its DMA under lock. */
 	u8 shown_surface[DCP_V14_SURFACE_SIZE];
@@ -1690,7 +1696,8 @@ static bool dcp_v14_panel_nits_admit(const struct dcp_v14_board *board,
 				     dcp_v14_compat_fn machine_is, const void *ctx)
 {
 	return board && board->panel_nits &&
-		(machine_is(ctx, "apple,j514s") || machine_is(ctx, "apple,j516s"));
+		(machine_is(ctx, "apple,j514s") || machine_is(ctx, "apple,j516s") ||
+		 machine_is(ctx, "apple,j516c"));
 }
 
 const char *iomfb_v14_7_board_name(const struct dcp_v14_board *board)
diff --git a/drivers/gpu/drm/apple/iomfb_v14_7_backlight_test.c b/drivers/gpu/drm/apple/iomfb_v14_7_backlight_test.c
index d2e56c427f3683..061af270a7f4ad 100644
--- a/drivers/gpu/drm/apple/iomfb_v14_7_backlight_test.c
+++ b/drivers/gpu/drm/apple/iomfb_v14_7_backlight_test.c
@@ -8,7 +8,7 @@
  * a refused level never becomes the actual one).
  *
  * The objects are built here, with no DCP: nothing in a case may reach an
- * RPC. A J613, J615 or J516C panel never initialises the backlight policy;
+ * RPC. A J613, J615 or J514C panel never initialises the backlight policy;
  * its state is set to answer "yes" so that a case fails if anything on
  * those boards looks at it.
  */
@@ -122,7 +122,7 @@ static bool v14_bl_ctx_machine_is(const void *ctx, const char *compat)
 	return !strcmp(((const char *const *)ctx)[1], compat);
 }
 
-/* Only the T6030 record (J514S, J516S) carries levels. */
+/* Only the T6030 record (J514S, J516S) and the J516C record carry levels. */
 static void v14_bl_boards(struct kunit *test)
 {
 	static const char *const t6030_j516s[] = { "apple,t6030-dcp", "apple,j516s" };
@@ -156,7 +156,8 @@ static void v14_bl_boards(struct kunit *test)
 	KUNIT_EXPECT_FALSE(test, board->panel_nits);
 	board = dcp_v14_board_select(v14_bl_ctx_dcp_is, v14_bl_ctx_machine_is, j516c, &known);
 	KUNIT_ASSERT_NOT_NULL(test, board);
-	KUNIT_EXPECT_FALSE(test, board->panel_nits);
+	KUNIT_EXPECT_TRUE(test, board->panel_nits);
+	KUNIT_EXPECT_TRUE(test, dcp_v14_panel_nits_admit(board, v14_bl_ctx_machine_is, j516c));
 }
 
 static void v14_bl_gate_transitions(struct kunit *test)
@@ -342,14 +343,13 @@ static bool v14_bl_queued(struct apple_dcp_v14 *v14)
 }
 
 /*
- * The production paths on J613, J615 and J516C: no policy is consulted, no
+ * The production paths on J613, J615 and J514C: no policy is consulted, no
  * level is encoded, the work does nothing, sleep leaves the gate alone.
  */
 static void v14_bl_other_boards_untouched(struct kunit *test)
 {
 	const struct dcp_v14_board *boards[] = {
-		&dcp_v14_board_j613, &dcp_v14_board_j615, &dcp_v14_board_j516c,
-		&dcp_v14_board_j514c,
+		&dcp_v14_board_j613, &dcp_v14_board_j615, &dcp_v14_board_j514c,
 	};
 	struct dcp_backlight_present present;
 	unsigned int i;