[Mesa-dev] [PATCH 4/5] i965/hsw: Change L3 MOCS of 3DSTATE_CONSTANT_VS/PS

[Chad Versace]

Change from "not cacheable" to "cacheable" in L3.
Do so for the draw upload path and blorp.

In blorp, change only the PS packet, because the VS packet is disabled.

CC: Kenneth Graunke <kenneth at whitecape.org>
Signed-off-by: Chad Versace <chad.versace at linux.intel.com>
---
 src/mesa/drivers/dri/i965/gen7_blorp.cpp  | 4 +++-
 src/mesa/drivers/dri/i965/gen7_vs_state.c | 4 +++-
 src/mesa/drivers/dri/i965/gen7_wm_state.c | 4 +++-
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/gen7_blorp.cpp b/src/mesa/drivers/dri/i965/gen7_blorp.cpp
index 0c08584..0fa352a 100644
--- a/src/mesa/drivers/dri/i965/gen7_blorp.cpp
+++ b/src/mesa/drivers/dri/i965/gen7_blorp.cpp
@@ -616,6 +616,8 @@ gen7_blorp_emit_constant_ps(struct brw_context *brw,
                             const brw_blorp_params *params,
                             uint32_t wm_push_const_offset)
 {
+   uint8_t mocs = brw->is_haswell ? GEN7_MOCS_L3 : 0;
+
    /* Make sure the push constants fill an exact integer number of
     * registers.
     */
@@ -630,7 +632,7 @@ gen7_blorp_emit_constant_ps(struct brw_context *brw,
              (7 - 2));
    OUT_BATCH(BRW_BLORP_NUM_PUSH_CONST_REGS);
    OUT_BATCH(0);
-   OUT_BATCH(wm_push_const_offset);
+   OUT_BATCH(wm_push_const_offset | mocs);
    OUT_BATCH(0);
    OUT_BATCH(0);
    OUT_BATCH(0);
diff --git a/src/mesa/drivers/dri/i965/gen7_vs_state.c b/src/mesa/drivers/dri/i965/gen7_vs_state.c
index 7369a9c..0340da4 100644
--- a/src/mesa/drivers/dri/i965/gen7_vs_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_vs_state.c
@@ -63,6 +63,8 @@ upload_vs_state(struct brw_context *brw)
       OUT_BATCH(0);
       ADVANCE_BATCH();
    } else {
+      uint8_t mocs = brw->is_haswell ? GEN7_MOCS_L3 : 0;
+
       BEGIN_BATCH(7);
       OUT_BATCH(_3DSTATE_CONSTANT_VS << 16 | (7 - 2));
       OUT_BATCH(brw->vs.push_const_size);
@@ -70,7 +72,7 @@ upload_vs_state(struct brw_context *brw)
       /* Pointer to the VS constant buffer.  Covered by the set of
        * state flags from gen6_prepare_wm_contants
        */
-      OUT_BATCH(brw->vs.push_const_offset);
+      OUT_BATCH(brw->vs.push_const_offset | mocs);
       OUT_BATCH(0);
       OUT_BATCH(0);
       OUT_BATCH(0);
diff --git a/src/mesa/drivers/dri/i965/gen7_wm_state.c b/src/mesa/drivers/dri/i965/gen7_wm_state.c
index 8f90371..1bc6e2e 100644
--- a/src/mesa/drivers/dri/i965/gen7_wm_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_wm_state.c
@@ -141,6 +141,8 @@ upload_ps_state(struct brw_context *brw)
       OUT_BATCH(0);
       ADVANCE_BATCH();
    } else {
+      uint8_t mocs = brw->is_haswell ? GEN7_MOCS_L3 : 0;
+
       BEGIN_BATCH(7);
       OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 | (7 - 2));
 
@@ -150,7 +152,7 @@ upload_ps_state(struct brw_context *brw)
       /* Pointer to the WM constant buffer.  Covered by the set of
        * state flags from gen6_upload_wm_push_constants.
        */
-      OUT_BATCH(brw->wm.push_const_offset);
+      OUT_BATCH(brw->wm.push_const_offset | mocs);
       OUT_BATCH(0);
       OUT_BATCH(0);
       OUT_BATCH(0);
-- 
1.8.3.1