diff options
| author | Alyssa Rosenzweig <[email protected]> | 2020-03-03 08:16:50 -0500 |
|---|---|---|
| committer | Marge Bot <[email protected]> | 2020-03-05 14:35:38 +0000 |
| commit | c70a198f24cbf5127d48673d96ad8f8153dbe729 (patch) | |
| tree | 0b9648ec93d9bf1ae47786e47de5b582ed7a9c94 /src/panfrost | |
| parent | fba1d12742db36536b6010807a59884abfb79973 (diff) | |
pan/bi: Clarify special op scheduling
They're encoded on ADD but eat the full cycle.
Signed-off-by: Alyssa Rosenzweig <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4061>
Diffstat (limited to 'src/panfrost')
| -rw-r--r-- | src/panfrost/bifrost/bi_tables.c | 2 | ||||
| -rw-r--r-- | src/panfrost/bifrost/compiler.h | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/src/panfrost/bifrost/bi_tables.c b/src/panfrost/bifrost/bi_tables.c index cf3e774efd8..97244817301 100644 --- a/src/panfrost/bifrost/bi_tables.c +++ b/src/panfrost/bifrost/bi_tables.c @@ -47,7 +47,7 @@ unsigned bi_class_props[BI_NUM_CLASSES] = { [BI_SHIFT] = BI_SCHED_ALL, [BI_STORE] = BI_SCHED_ADD, [BI_STORE_VAR] = BI_SCHED_ADD, - [BI_SPECIAL] = BI_SCHED_ALL, + [BI_SPECIAL] = BI_SCHED_ADD | BI_SCHED_SLOW, [BI_TEX] = BI_SCHED_ADD, [BI_ROUND] = BI_GENERIC | BI_ROUNDMODE | BI_SCHED_ALL, }; diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h index ed9dd751910..6eddf448ad7 100644 --- a/src/panfrost/bifrost/compiler.h +++ b/src/panfrost/bifrost/compiler.h @@ -95,6 +95,10 @@ extern unsigned bi_class_props[BI_NUM_CLASSES]; /* Most ALU ops can do either, actually */ #define BI_SCHED_ALL (BI_SCHED_FMA | BI_SCHED_ADD) +/* Along with setting BI_SCHED_ADD, eats up the entire cycle, so FMA must be + * nopped out. Used for _FAST operations. */ +#define BI_SCHED_SLOW (1 << 5) + /* It can't get any worse than csel4... can it? */ #define BIR_SRC_COUNT 4 |