Reviewed-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>

But please, fix the comment in the nv50_query struct, now it is "/* base + i * 32 */".

On 04/04/2015 06:00 AM, Ilia Mirkin wrote:
Commit 1a170980a09 started writing to q->data[4]/[5] but kept the
per-query space at 16, which meant that in some cases we would write
past the end of the buffer. Rotate by 32, like nvc0 does.

Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
Tested-by: Nick Tenney <nick.ten...@gmail.com>
Cc: "10.4 10.5" <mesa-sta...@lists.freedesktop.org>
---
  src/gallium/drivers/nouveau/nv50/nv50_query.c | 8 ++++----
  1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/gallium/drivers/nouveau/nv50/nv50_query.c 
b/src/gallium/drivers/nouveau/nv50/nv50_query.c
index e81ac5a..6a23de4 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_query.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_query.c
@@ -116,8 +116,8 @@ nv50_query_create(struct pipe_context *pipe, unsigned type, 
unsigned index)
     q->type = type;
if (q->type == PIPE_QUERY_OCCLUSION_COUNTER) {
-      q->offset -= 16;
-      q->data -= 16 / sizeof(*q->data); /* we advance before query_begin ! */
+      q->offset -= 32;
+      q->data -= 32 / sizeof(*q->data); /* we advance before query_begin ! */
     }
return (struct pipe_query *)q;
@@ -150,8 +150,8 @@ nv50_query_begin(struct pipe_context *pipe, struct 
pipe_query *pq)
      * initialized it to TRUE.
      */
     if (q->type == PIPE_QUERY_OCCLUSION_COUNTER) {
-      q->offset += 16;
-      q->data += 16 / sizeof(*q->data);
+      q->offset += 32;
+      q->data += 32 / sizeof(*q->data);
        if (q->offset - q->base == NV50_QUERY_ALLOC_SPACE)
           nv50_query_allocate(nv50, q, NV50_QUERY_ALLOC_SPACE);

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