diff options
| author | Alyssa Rosenzweig <[email protected]> | 2020-03-26 10:06:49 -0400 |
|---|---|---|
| committer | Marge Bot <[email protected]> | 2020-03-31 01:12:26 +0000 |
| commit | f3726a08743a100c7e163489800fd0560da015b9 (patch) | |
| tree | f4f5b23536daaa062ed89d96211f1e7254e74a42 /src/panfrost/bifrost | |
| parent | 3d7166fa698f046814eb3803ec9ef5a5438e816f (diff) | |
pan/bi: Fix overzealous write barriers
It's possible this triggers an INSTR_INVALID_ENC.
Signed-off-by: Alyssa Rosenzweig <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4382>
Diffstat (limited to 'src/panfrost/bifrost')
| -rw-r--r-- | src/panfrost/bifrost/bi_schedule.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/panfrost/bifrost/bi_schedule.c b/src/panfrost/bifrost/bi_schedule.c index 4adab3bc60e..589c84897ac 100644 --- a/src/panfrost/bifrost/bi_schedule.c +++ b/src/panfrost/bifrost/bi_schedule.c @@ -110,7 +110,10 @@ bi_schedule(bi_context *ctx) ids = ids & 1; last_id = u->scoreboard_id; u->back_to_back = true; - u->data_register_write_barrier = true; + + /* Rule: first instructions cannot have write barriers */ + if (!is_first) + u->data_register_write_barrier = true; u->constant_count = 1; u->constants[0] = ins->constant.u64; |