2 files changed, 26 insertions, 0 deletions
diff --git a/lib/ioctl_wrappers.c b/lib/ioctl_wrappers.c
index af63be34..67351afd 100644
--- a/lib/ioctl_wrappers.c
+++ b/lib/ioctl_wrappers.c
@@ -108,6 +108,31 @@ gem_handle_to_libdrm_bo(drm_intel_bufmgr *bufmgr, int fd, const char *name, uint
 	return bo;
 }
 
+/**
+ * gem_get_tiling:
+ * @fd: open i915 drm file descriptor
+ * @handle: gem buffer object handle
+ * @tiling: (out) tiling mode of the gem buffer
+ * @swizzle: (out) bit 6 swizzle mode
+ *
+ * This wraps the GET_TILING ioctl.
+ */
+void
+gem_get_tiling(int fd, uint32_t handle, uint32_t *tiling, uint32_t *swizzle)
+{
+	struct drm_i915_gem_get_tiling get_tiling;
+	int ret;
+
+	memset(&get_tiling, 0, sizeof(get_tiling));
+	get_tiling.handle = handle;
+
+	ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_GET_TILING, &get_tiling);
+	igt_assert(ret == 0);
+
+	*tiling = get_tiling.tiling_mode;
+	*swizzle = get_tiling.swizzle_mode;
+}
+
 int __gem_set_tiling(int fd, uint32_t handle, uint32_t tiling, uint32_t stride)
 {
 	struct drm_i915_gem_set_tiling st;
diff --git a/lib/ioctl_wrappers.h b/lib/ioctl_wrappers.h
index 8ca21814..310d82ea 100644
--- a/lib/ioctl_wrappers.h
+++ b/lib/ioctl_wrappers.h
@@ -42,6 +42,7 @@ drm_intel_bo * gem_handle_to_libdrm_bo(drm_intel_bufmgr *bufmgr, int fd,
 /* ioctl_wrappers.c:
  *
  * ioctl wrappers and similar stuff for bare metal testing */
+void gem_get_tiling(int fd, uint32_t handle, uint32_t *tiling, uint32_t *swizzle);
 void gem_set_tiling(int fd, uint32_t handle, uint32_t tiling, uint32_t stride);
 int __gem_set_tiling(int fd, uint32_t handle, uint32_t tiling, uint32_t stride);