etnaviv: change begin_query(..) to a void function

We always return true.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4456>

src/gallium/drivers/etnaviv/etnaviv_query.c

@@ -60,15 +60,14 @@ static bool
 etna_begin_query(struct pipe_context *pctx, struct pipe_query *pq)
 {
    struct etna_query *q = etna_query(pq);
-   bool ret;
 
    if (q->active)
       return false;
 
-   ret = q->funcs->begin_query(etna_context(pctx), q);
-   q->active = ret;
+   q->funcs->begin_query(etna_context(pctx), q);
+   q->active = true;
 
-   return ret;
+   return true;
 }
 
 static bool

src/gallium/drivers/etnaviv/etnaviv_query.h

@@ -35,7 +35,7 @@ struct etna_query;
 
 struct etna_query_funcs {
    void (*destroy_query)(struct etna_context *ctx, struct etna_query *q);
-   bool (*begin_query)(struct etna_context *ctx, struct etna_query *q);
+   void (*begin_query)(struct etna_context *ctx, struct etna_query *q);
    void (*end_query)(struct etna_context *ctx, struct etna_query *q);
    bool (*get_query_result)(struct etna_context *ctx, struct etna_query *q,
                             bool wait, union pipe_query_result *result);

src/gallium/drivers/etnaviv/etnaviv_query_acc.c

@@ -78,7 +78,7 @@ realloc_query_bo(struct etna_context *ctx, struct etna_acc_query *aq)
    etna_bo_cpu_fini(rsc->bo);
 }
 
-static bool
+static void
 etna_acc_begin_query(struct etna_context *ctx, struct etna_query *q)
 {
    struct etna_acc_query *aq = etna_acc_query(q);
@@ -93,8 +93,6 @@ etna_acc_begin_query(struct etna_context *ctx, struct etna_query *q)
    /* add to active list */
    assert(list_is_empty(&aq->node));
    list_addtail(&aq->node, &ctx->active_acc_queries);
-
-   return true;
 }
 
 static void

src/gallium/drivers/etnaviv/etnaviv_query_sw.c

@@ -56,14 +56,12 @@ read_counter(struct etna_context *ctx, unsigned type)
    return 0;
 }
 
-static bool
+static void
 etna_sw_begin_query(struct etna_context *ctx, struct etna_query *q)
 {
    struct etna_sw_query *sq = etna_sw_query(q);
 
    sq->begin_value = read_counter(ctx, q->type);
-
-   return true;
 }
 
 static void