Mesa (master): intel/eu: SVB writes only happen on Gen6

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Module: Mesa
Branch: master
Commit: 2e7656ae2fdd0cd898812b5762138c14149cb6e9
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2e7656ae2fdd0cd898812b5762138c14149cb6e9

Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date:   Fri Feb  5 08:09:47 2021 -0600

intel/eu: SVB writes only happen on Gen6

It's a Gen6 XFB thing.  It's never used for anything else so there's no
point in having a target cache switch.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7455>

---

 src/intel/compiler/brw_eu_emit.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/intel/compiler/brw_eu_emit.c b/src/intel/compiler/brw_eu_emit.c
index 138c48ed251..a8577fac632 100644
--- a/src/intel/compiler/brw_eu_emit.c
+++ b/src/intel/compiler/brw_eu_emit.c
@@ -3067,10 +3067,8 @@ brw_svb_write(struct brw_codegen *p,
               bool   send_commit_msg)
 {
    const struct intel_device_info *devinfo = p->devinfo;
-   const unsigned target_cache =
-      (devinfo->ver >= 7 ? GFX7_SFID_DATAPORT_DATA_CACHE :
-       devinfo->ver >= 6 ? GFX6_SFID_DATAPORT_RENDER_CACHE :
-       BRW_SFID_DATAPORT_WRITE);
+   assert(devinfo->ver == 6);
+   const unsigned target_cache = GFX6_SFID_DATAPORT_RENDER_CACHE;
    brw_inst *insn;
 
    gfx6_resolve_implied_move(p, &src0, msg_reg_nr);