Mesa (master): nvc0: reduce the number of GPR used when reading MP perf counters

[Samuel Pitoiset]

Module: Mesa
Branch: master
Commit: 69271bba068c21a07b0698bf579becc20767b158
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=69271bba068c21a07b0698bf579becc20767b158

Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date:   Sat Nov 14 17:20:09 2015 +0100

nvc0: reduce the number of GPR used when reading MP perf counters

No need to allocate more GPR than used in the compute kernel which
reads MP performance counters on Fermi.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>

---

 src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_sm.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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 44b222e..7962143 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_sm.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_sm.c
@@ -1014,14 +1014,15 @@ nvc0_hw_sm_end_query(struct nvc0_context *nvc0, struct nvc0_hw_query *hq)
       struct nvc0_program *prog = CALLOC_STRUCT(nvc0_program);
       prog->type = PIPE_SHADER_COMPUTE;
       prog->translated = true;
-      prog->num_gprs = 14;
       prog->parm_size = 12;
       if (is_nve4) {
          prog->code = (uint32_t *)nve4_read_hw_sm_counters_code;
          prog->code_size = sizeof(nve4_read_hw_sm_counters_code);
+         prog->num_gprs = 14;
       } else {
          prog->code = (uint32_t *)nvc0_read_hw_sm_counters_code;
          prog->code_size = sizeof(nvc0_read_hw_sm_counters_code);
+         prog->num_gprs = 12;
       }
       screen->pm.prog = prog;
    }