[Intel-gfx] [RFC 2/6] drm/i915: Add tiled framebuffer modifiers

[Tvrtko Ursulin]

From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

To be used from the new addfb2 extension.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
 include/uapi/drm/i915_drm.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
index 6eed16b..a7327fd 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -28,6 +28,7 @@
 #define _UAPI_I915_DRM_H_
 
 #include <drm/drm.h>
+#include <uapi/drm/drm_fourcc.h>
 
 /* Please note that modifications to all structs defined here are
  * subject to backwards-compatibility constraints.
@@ -1101,4 +1102,16 @@ struct drm_i915_gem_context_param {
 	__u64 value;
 };
 
+/** @{
+ * Intel framebuffer modifiers
+ *
+ * Tiling modes supported by the display hardware
+ * to be passed in via the DRM addfb2 ioctl.
+ */
+/** None */
+#define I915_FORMAT_MOD_NONE	fourcc_mod_code(INTEL, 0x00000000000000L)
+/** X tiling */
+#define I915_FORMAT_MOD_X_TILED	fourcc_mod_code(INTEL, 0x00000000000001L)
+/** @} */
+
 #endif /* _UAPI_I915_DRM_H_ */
-- 
2.2.2