etnaviv: Use hash table to track BO indexes

[mesa.git] / src / etnaviv / drm / etnaviv_priv.h

diff --git a/src/etnaviv/drm/etnaviv_priv.h b/src/etnaviv/drm/etnaviv_priv.h
index 527cee30dc31d4fd150186a86507f0ab2d1d19e0..d8f053771e927ce0fcfd8ed087bcc2e1afef5a4d 100644 (file)
--- a/src/etnaviv/drm/etnaviv_priv.h
+++ b/src/etnaviv/drm/etnaviv_priv.h
@@ -99,12 +99,10 @@ struct etna_bo {
        uint64_t        offset;         /* offset to mmap() */
        int             refcnt;
 
-       /* in the common case, a bo won't be referenced by more than a single
-        * command stream.  So to avoid looping over all the bo's in the
-        * reloc table to find the idx of a bo that might already be in the
-        * table, we cache the idx in the bo.  But in order to detect the
-        * slow-path where bo is ref'd in multiple streams, we also must track
-        * the current_stream for which the idx is valid.  See bo2idx().
+       /*
+        * To avoid excess hashtable lookups, cache the stream this bo was
+        * last emitted on (since that will probably also be the next ring
+        * it is emitted on).
         */
        struct etna_cmd_stream *current_stream;
        uint32_t idx;
@@ -154,6 +152,8 @@ struct etna_cmd_stream_priv {
        /* notify callback if buffer reset happened */
        void (*reset_notify)(struct etna_cmd_stream *stream, void *priv);
        void *reset_notify_priv;
+
+       void *bo_table;
 };
 
 struct etna_perfmon {