X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fi915%2Fgt%2Fintel_gt.h;h=e1f13735f530edad3e72e2dfd8b0d5b07f2a641a;hb=221d6546bd16e08a4b18d67698e624459dab1795;hp=970bedf6b78a7b82b69509b8f8c37c868ee81ccd;hpb=13d88ac54ddd1011b6e94443958e798aa06eb835;p=linux-2.6-block.git

diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h b/drivers/gpu/drm/i915/gt/intel_gt.h
index 970bedf6b78a..e1f13735f530 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt.h
@@ -167,6 +167,20 @@ void intel_gt_release_all(struct drm_i915_private *i915);
 	     (id__)++) \
 		for_each_if(((gt__) = (i915__)->gt[(id__)]))
 
+/* Simple iterator over all initialised engines */
+#define for_each_engine(engine__, gt__, id__) \
+	for ((id__) = 0; \
+	     (id__) < I915_NUM_ENGINES; \
+	     (id__)++) \
+		for_each_if ((engine__) = (gt__)->engine[(id__)])
+
+/* Iterator over subset of engines selected by mask */
+#define for_each_engine_masked(engine__, gt__, mask__, tmp__) \
+	for ((tmp__) = (mask__) & (gt__)->info.engine_mask; \
+	     (tmp__) ? \
+	     ((engine__) = (gt__)->engine[__mask_next_bit(tmp__)]), 1 : \
+	     0;)
+
 void intel_gt_info_print(const struct intel_gt_info *info,
 			 struct drm_printer *p);