diff options
| author | Marek Olšák <[email protected]> | 2017-08-19 00:34:12 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2017-08-22 13:29:47 +0200 |
| commit | 287b0a28f486c9e47f227e2a702577e2b812c7f2 (patch) | |
| tree | 956ed3360ae787db4beaeb65d6b21b8de2fe5d6e /src | |
| parent | 759526813be137f7f139d6b4e56c5afeb8ba53c9 (diff) | |
radeonsi/gfx9: use correct TC flush flags when invalidating CB & DB
Now we can finally stop flushing L2 data.
Reviewed-by: Nicolai Hähnle <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state_draw.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c index ebc362ed03e..7bc52f29e25 100644 --- a/src/gallium/drivers/radeonsi/si_state_draw.c +++ b/src/gallium/drivers/radeonsi/si_state_draw.c @@ -976,17 +976,31 @@ void si_emit_cache_flush(struct si_context *sctx) cb_db_event = V_028A90_CACHE_FLUSH_AND_INV_TS_EVENT; } - /* TC | TC_WB = invalidate L2 data - * TC_MD | TC_WB = invalidate L2 metadata (DCC, etc.) - * TC | TC_WB | TC_MD = invalidate L2 data & metadata + /* These are the only allowed combinations. If you need to + * do multiple operations at once, do them separately. + * All operations that invalidate L2 also seem to invalidate + * metadata. Volatile (VOL) and WC flushes are not listed here. + * + * TC | TC_WB = writeback & invalidate L2 & L1 + * TC | TC_WB | TC_NC = writeback & invalidate L2 for MTYPE == NC + * TC_WB | TC_NC = writeback L2 for MTYPE == NC + * TC | TC_NC = invalidate L2 for MTYPE == NC + * TC | TC_MD = writeback & invalidate L2 metadata (DCC, etc.) + * TCL1 = invalidate L1 + */ + + /* When flushing CB or DB, L2 metadata should always be invali- + * dated before texturing. Invalidating L2 data is not needed + * in some cases. */ - tc_flags = 0; + tc_flags = EVENT_TC_ACTION_ENA | + EVENT_TC_MD_ACTION_ENA; /* Ideally flush TC together with CB/DB. */ if (rctx->flags & SI_CONTEXT_INV_GLOBAL_L2) { - tc_flags |= EVENT_TC_ACTION_ENA | - EVENT_TC_WB_ACTION_ENA | - EVENT_TCL1_ACTION_ENA; + /* Writeback and invalidate everything in L2 & L1. */ + tc_flags = EVENT_TC_ACTION_ENA | + EVENT_TC_WB_ACTION_ENA; /* Clear the flags. */ rctx->flags &= ~(SI_CONTEXT_INV_GLOBAL_L2 | |