Mesa (master): panfrost: Drop dependency on nonexistant write_value

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Module: Mesa
Branch: master
Commit: 3025ea6abe97b42bc85fc7f6e6c47bf916da0738
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3025ea6abe97b42bc85fc7f6e6c47bf916da0738

Author: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Date:   Fri Apr 10 17:10:24 2020 -0400

panfrost: Drop dependency on nonexistant write_value

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4530>

---

 src/gallium/drivers/panfrost/pan_scoreboard.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/gallium/drivers/panfrost/pan_scoreboard.c b/src/gallium/drivers/panfrost/pan_scoreboard.c
index 6ba1634cc93..4141f9c19c4 100644
--- a/src/gallium/drivers/panfrost/pan_scoreboard.c
+++ b/src/gallium/drivers/panfrost/pan_scoreboard.c
@@ -115,15 +115,18 @@ panfrost_new_job(
                 void *payload, size_t payload_size,
                 bool inject)
 {
+        struct panfrost_device *dev = pan_device(batch->ctx->base.screen);
+
         unsigned global_dep = 0;
 
         if (type == JOB_TYPE_TILER) {
-                /* Tiler jobs must be chained, and the first tiler job must
-                 * depend on the write value job, whose index we reserve now */
+                /* Tiler jobs must be chained, and on Midgard, the first tiler
+                 * job must depend on the write value job, whose index we
+                 * reserve now */
 
                 if (batch->tiler_dep)
                         global_dep = batch->tiler_dep;
-                else {
+                else if (!(dev->quirks & IS_BIFROST)) {
                         batch->write_value_index = ++batch->job_index;
                         global_dep = batch->write_value_index;
                 }