From: Rob Clark <robdclark@chromium.org>
Date: Thu, 14 May 2020 22:43:31 +0000 (-0700)
Subject: freedreno/ir3/deps: report progress
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=721147a05d47229252dc49460f6de1eec793bfc2;p=mesa.git

freedreno/ir3/deps: report progress

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5048>
---

diff --git a/src/freedreno/ir3/ir3.h b/src/freedreno/ir3/ir3.h
index 70ead4e6cc8..a33050956aa 100644
--- a/src/freedreno/ir3/ir3.h
+++ b/src/freedreno/ir3/ir3.h
@@ -1204,7 +1204,7 @@ bool ir3_cp(struct ir3 *ir, struct ir3_shader_variant *so);
 void ir3_group(struct ir3 *ir);
 
 /* scheduling: */
-void ir3_sched_add_deps(struct ir3 *ir);
+bool ir3_sched_add_deps(struct ir3 *ir);
 int ir3_sched(struct ir3 *ir);
 
 struct ir3_context;
diff --git a/src/freedreno/ir3/ir3_sched.c b/src/freedreno/ir3/ir3_sched.c
index 57567555fd4..e6241215d1d 100644
--- a/src/freedreno/ir3/ir3_sched.c
+++ b/src/freedreno/ir3/ir3_sched.c
@@ -1202,20 +1202,19 @@ add_barrier_deps(struct ir3_block *block, struct ir3_instruction *instr)
  *  (2) reads that come before a write actually get scheduled before the
  *      write
  */
-static void
-calculate_deps(struct ir3_block *block)
-{
-	foreach_instr (instr, &block->instr_list) {
-		if (instr->barrier_class) {
-			add_barrier_deps(block, instr);
-		}
-	}
-}
-
-void
+bool
 ir3_sched_add_deps(struct ir3 *ir)
 {
+	bool progress = false;
+
 	foreach_block (block, &ir->block_list) {
-		calculate_deps(block);
+		foreach_instr (instr, &block->instr_list) {
+			if (instr->barrier_class) {
+				add_barrier_deps(block, instr);
+				progress = true;
+			}
+		}
 	}
+
+	return progress;
 }