drm_hwcomposer: Fix missing definition build error on P and earlier
DRM_FORMAT_INVALID was introduced after libdrm-2.4.94, and does not exists in
Android-P and earlier.
Fixes: f63726cabf3f ("drm_hwcomposer: avoid using signed errno on uint32 type")
Signed-off-by: Roman Stratiienko <roman.stratiienko@globallogic.com>
diff --git a/platform/platformdrmgeneric.h b/platform/platformdrmgeneric.h
index 88bff5f..7bb2ea2 100644
--- a/platform/platformdrmgeneric.h
+++ b/platform/platformdrmgeneric.h
@@ -22,6 +22,12 @@
#include <hardware/gralloc.h>
+#include <drm/drm_fourcc.h>
+
+#ifndef DRM_FORMAT_INVALID
+#define DRM_FORMAT_INVALID 0
+#endif
+
namespace android {
class DrmGenericImporter : public Importer {