diff --git a/cros_gralloc/cros_gralloc_driver.cc b/cros_gralloc/cros_gralloc_driver.cc
index 8a0dd12..847316e 100644
--- a/cros_gralloc/cros_gralloc_driver.cc
+++ b/cros_gralloc/cros_gralloc_driver.cc
@@ -255,6 +255,9 @@ bool cros_gralloc_driver::get_resolved_format_and_use_flags(
 		return true;
 	}
 
+	if ((descriptor->use_flags & BO_USE_PRIVATE_1)) {
+		ALOGI("prop set, sepeical flag BO_USE_PRIVATE_1\n");
+	}
 	drv_resolve_format_and_use_flags(drv, descriptor->drm_format, descriptor->use_flags,
 					 &resolved_format, &resolved_use_flags);
 
diff --git a/cros_gralloc/cros_gralloc_helpers.cc b/cros_gralloc/cros_gralloc_helpers.cc
index cb2d1cc..1ec1b22 100644
--- a/cros_gralloc/cros_gralloc_helpers.cc
+++ b/cros_gralloc/cros_gralloc_helpers.cc
@@ -26,6 +26,9 @@
 /* Define to match AIDL PixelFormat::R_8. */
 #define HAL_PIXEL_FORMAT_R8 0x38
 
+/* Define to match BufferUsage::GRALLOC_USAGE_PRIVATE_0. */
+#define GRALLOC_USAGE_PRIVATE_1 (1 << 29)
+
 const char *drmFormat2Str(int drm_format)
 {
 	static char buf[5];
@@ -160,6 +163,7 @@ uint64_t cros_gralloc_convert_usage(uint64_t usage)
 		     BO_USE_SENSOR_DIRECT_DATA);
 	handle_usage(&usage, BUFFER_USAGE_GPU_DATA_BUFFER, &use_flags, BO_USE_GPU_DATA_BUFFER);
 	handle_usage(&usage, BUFFER_USAGE_FRONT_RENDERING_MASK, &use_flags, BO_USE_FRONT_RENDERING);
+	handle_usage(&usage, GRALLOC_USAGE_PRIVATE_1, &use_flags, BO_USE_PRIVATE_1);
 
 	if (usage) {
 		ALOGE("Unhandled gralloc usage: %llx", (unsigned long long)usage);
diff --git a/drv.h b/drv.h
index 3411d03..d374de2 100644
--- a/drv.h
+++ b/drv.h
@@ -45,6 +45,7 @@ extern "C" {
 #define BO_USE_RENDERSCRIPT		(1ull << 17)
 #define BO_USE_GPU_DATA_BUFFER		(1ull << 18)
 #define BO_USE_SENSOR_DIRECT_DATA	(1ull << 19)
+#define BO_USE_PRIVATE_1               (1ull << 29)
 
 #define BO_USE_ARC_SCREEN_CAP_PROBED	(1ull << 63)
 
diff --git a/i915.c b/i915.c
index a8a237a..09e24f0 100644
--- a/i915.c
+++ b/i915.c
@@ -338,7 +338,7 @@ static int i915_add_combinations(struct driver *drv)
 {
 	struct i915_device *i915 = drv->priv;
 
-	const uint64_t scanout_and_render = BO_USE_RENDER_MASK | BO_USE_SCANOUT;
+	const uint64_t scanout_and_render = BO_USE_RENDER_MASK | BO_USE_SCANOUT | BO_USE_PRIVATE_1;
 	const uint64_t render = BO_USE_RENDER_MASK;
 	const uint64_t texture_only = BO_USE_TEXTURE_MASK;
 	uint64_t render_flags = BO_USE_RENDER_MASK;