Mesa (master): i965/gen10: Re-enable push constants.

[Rafael Antognolli]

Module: Mesa
Branch: master
Commit: bcfd78e4489f538e34138269650fc6cbe8c9d75f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=bcfd78e4489f538e34138269650fc6cbe8c9d75f

Author: Rafael Antognolli <rafael.antognolli at intel.com>
Date:   Wed Jan 24 16:33:58 2018 -0800

i965/gen10: Re-enable push constants.

The GPU hang caused by push constants is apparently fixed, so let's
enable them again.

Signed-off-by: Rafael Antognolli <rafael.antognolli at intel.com>
Cc: "18.0" <mesa-stable at lists.freedesktop.org>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

---

 src/intel/compiler/brw_fs.cpp | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp
index 09adcbc2df..6fb46e7374 100644
--- a/src/intel/compiler/brw_fs.cpp
+++ b/src/intel/compiler/brw_fs.cpp
@@ -2096,15 +2096,6 @@ fs_visitor::assign_constant_locations()
    if (subgroup_id_index >= 0)
       max_push_components--; /* Save a slot for the thread ID */
 
-   /* FIXME: We currently have some GPU hangs that happen apparently when using
-    * push constants. Since we have no solution for such hangs yet, just
-    * go ahead and use pull constants for now.
-    */
-   if (devinfo->gen == 10 && compiler->supports_pull_constants) {
-      compiler->shader_perf_log(log_data, "Disabling push constants.");
-      max_push_components = 0;
-   }
-
    /* We push small arrays, but no bigger than 16 floats.  This is big enough
     * for a vec4 but hopefully not large enough to push out other stuff.  We
     * should probably use a better heuristic at some point.