intel/drm: Pull in the i915 fence array API

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>

diff --git a/include/drm-uapi/i915_drm.h b/include/drm-uapi/i915_drm.h
index c26bf7c125f099cfb5fff7150ede8f1c8853d39f..338c8c2d935cf614d1c599d82eba6f78352c0b9a 100644 (file)
--- a/include/drm-uapi/i915_drm.h
+++ b/include/drm-uapi/i915_drm.h
@@ -431,6 +431,11 @@ typedef struct drm_i915_irq_wait {
  */
 #define I915_PARAM_HAS_EXEC_BATCH_FIRST         48
 
+/* Query whether DRM_I915_GEM_EXECBUFFER2 supports supplying an array of
+ * drm_i915_gem_exec_fence structures.  See I915_EXEC_FENCE_ARRAY.
+ */
+#define I915_PARAM_HAS_EXEC_FENCE_ARRAY  49
+
 typedef struct drm_i915_getparam {
        __s32 param;
        /*
@@ -812,6 +817,17 @@ struct drm_i915_gem_exec_object2 {
        __u64 rsvd2;
 };
 
+struct drm_i915_gem_exec_fence {
+       /**
+        * User's handle for a dma-fence to wait on or signal.
+        */
+       __u32 handle;
+
+#define I915_EXEC_FENCE_WAIT            (1<<0)
+#define I915_EXEC_FENCE_SIGNAL          (1<<1)
+       __u32 flags;
+};
+
 struct drm_i915_gem_execbuffer2 {
        /**
         * List of gem_exec_object2 structs
@@ -826,7 +842,10 @@ struct drm_i915_gem_execbuffer2 {
        __u32 DR1;
        __u32 DR4;
        __u32 num_cliprects;
-       /** This is a struct drm_clip_rect *cliprects */
+       /** This is a struct drm_clip_rect *cliprects if I915_EXEC_FENCE_ARRAY
+     * is not set.  If I915_EXEC_FENCE_ARRAY is set, then this is a
+     * struct drm_i915_gem_exec_fence *fences.
+     */
        __u64 cliprects_ptr;
 #define I915_EXEC_RING_MASK              (7<<0)
 #define I915_EXEC_DEFAULT                (0<<0)
@@ -927,7 +946,14 @@ struct drm_i915_gem_execbuffer2 {
  * element).
  */
 #define I915_EXEC_BATCH_FIRST          (1<<18)
-#define __I915_EXEC_UNKNOWN_FLAGS (-(I915_EXEC_BATCH_FIRST<<1))
+
+/* Setting I915_FENCE_ARRAY implies that num_cliprects and cliprects_ptr
+ * define an array of i915_gem_exec_fence structures which specify a set of
+ * dma fences to wait upon or signal.
+ */
+#define I915_EXEC_FENCE_ARRAY   (1<<19)
+
+#define __I915_EXEC_UNKNOWN_FLAGS (-(I915_EXEC_FENCE_ARRAY<<1))
 
 #define I915_EXEC_CONTEXT_ID_MASK      (0xffffffff)
 #define i915_execbuffer2_set_context_id(eb2, context) \