From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Fri, 16 Dec 2016 13:22:16 +0000 (+0100)
Subject: nv50/ir: do not insert texture barriers on gm107
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1b3b4196f08bf825d031cdf6bfcbc7dd3ccf3172;p=mesa.git

nv50/ir: do not insert texture barriers on gm107

It's actually useless to insert those texture barriers post RA
because the current control code (ie. st 0x0) will wait for all
dependencies before issuing a new instruction.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Pierre Moreau <pierre.morrow@free.fr>
---

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
index fe18f4718de..ff253af6997 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
@@ -190,7 +190,8 @@ NVC0LegalizePostRA::NVC0LegalizePostRA(const Program *prog)
    : rZero(NULL),
      carry(NULL),
      pOne(NULL),
-     needTexBar(prog->getTarget()->getChipset() >= 0xe0)
+     needTexBar(prog->getTarget()->getChipset() >= 0xe0 &&
+                prog->getTarget()->getChipset() < 0x110)
 {
 }