[Mesa-dev] [PATCH 05/16] nvc0: fix sequence field init for MP counters on Fermi

Samuel Pitoiset samuel.pitoiset at gmail.com
Fri Oct 16 10:22:25 PDT 2015


Sequence fields are located at MP[i] + 0x20 in the buffer object.
This is used to check if result is available for MP[i].

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
 src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_sm.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_sm.c b/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_sm.c
index f7b49da..b810d25 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_sm.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_sm.c
@@ -439,8 +439,10 @@ nvc0_hw_sm_begin_query(struct nvc0_context *nvc0, struct nvc0_hw_query *hq)
    PUSH_SPACE(push, 4 * 8 * 6 + 4);
 
    /* set sequence field to 0 (used to check if result is available) */
-   for (i = 0; i < screen->mp_count; ++i)
-      hq->data[i * 10 + 10] = 0;
+   for (i = 0; i < screen->mp_count; ++i) {
+      const unsigned b = (0x24 / 4) * i;
+      hq->data[b + 8] = 0;
+   }
    hq->sequence++;
 
    for (i = 0; i < cfg->num_counters; ++i) {
-- 
2.6.1



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