Mesa (master): pan/mdg: Use the writeout tag for tilebuffer wait loops

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Module: Mesa
Branch: master
Commit: f2eced966028e91213ddd7a4287fa63db3505859
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f2eced966028e91213ddd7a4287fa63db3505859

Author: Icecream95 <ixn at keemail.me>
Date:   Tue Jul  7 10:11:53 2020 +1200

pan/mdg: Use the writeout tag for tilebuffer wait loops

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5755>

---

 src/panfrost/midgard/midgard_schedule.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/panfrost/midgard/midgard_schedule.c b/src/panfrost/midgard/midgard_schedule.c
index 7f3c3ba68ea..56c324ce3fe 100644
--- a/src/panfrost/midgard/midgard_schedule.c
+++ b/src/panfrost/midgard/midgard_schedule.c
@@ -1331,8 +1331,11 @@ mir_schedule_alu(
         /* Size ALU instruction for tag */
         bundle.tag = (TAG_ALU_4) + (bytes_emitted / 16) - 1;
 
+        bool tilebuf_wait = branch && branch->compact_branch &&
+           branch->branch.target_type == TARGET_TILEBUF_WAIT;
+
         /* MRT capable GPUs use a special writeout procedure */
-        if (writeout && !(ctx->quirks & MIDGARD_NO_UPPER_ALU))
+        if ((writeout || tilebuf_wait) && !(ctx->quirks & MIDGARD_NO_UPPER_ALU))
                 bundle.tag += 4;
 
         bundle.padding = padding;