drm/plane: Use consistent data types for format count

Rather than a mix of the the sized uint32_t and signed integer, use an
unsized unsigned int to specify the format count.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 97ec61c..0a1d4a5 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13681,7 +13681,7 @@
 	struct intel_plane *primary;
 	struct intel_plane_state *state;
 	const uint32_t *intel_primary_formats;
-	int num_formats;
+	unsigned int num_formats;
 
 	primary = kzalloc(sizeof(*primary), GFP_KERNEL);
 	if (primary == NULL)