[Mesa-dev] [PATCH 4/7] i965: Replace opencoding of brw_load_register_imm32

Chris Wilson chris at chris-wilson.co.uk
Fri Dec 9 10:54:20 UTC 2016


There are a few open coded setting of single registers using
MI_LOAD_REGISTER_IMM, replace those with a call to
brw_load_register_imm32().

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 src/mesa/drivers/dri/i965/brw_draw.c         |  6 +-----
 src/mesa/drivers/dri/i965/brw_state_upload.c | 13 +++++--------
 src/mesa/drivers/dri/i965/gen7_l3_state.c    | 20 ++++++++------------
 src/mesa/drivers/dri/i965/gen8_depth_state.c |  8 +++-----
 4 files changed, 17 insertions(+), 30 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_draw.c b/src/mesa/drivers/dri/i965/brw_draw.c
index 52589d0d13..b78e73516e 100644
--- a/src/mesa/drivers/dri/i965/brw_draw.c
+++ b/src/mesa/drivers/dri/i965/brw_draw.c
@@ -239,11 +239,7 @@ brw_emit_prim(struct brw_context *brw,
       } else {
          brw_load_register_mem32(brw, GEN7_3DPRIM_START_INSTANCE, bo,
                                  prim->indirect_offset + 12);
-         BEGIN_BATCH(3);
-         OUT_BATCH(MI_LOAD_REGISTER_IMM | (3 - 2));
-         OUT_BATCH(GEN7_3DPRIM_BASE_VERTEX);
-         OUT_BATCH(0);
-         ADVANCE_BATCH();
+         brw_load_register_imm32(brw, GEN7_3DPRIM_BASE_VERTEX, 0);
       }
    } else {
       indirect_flag = 0;
diff --git a/src/mesa/drivers/dri/i965/brw_state_upload.c b/src/mesa/drivers/dri/i965/brw_state_upload.c
index b689ae41f6..ea58bf02cf 100644
--- a/src/mesa/drivers/dri/i965/brw_state_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_state_upload.c
@@ -399,14 +399,11 @@ brw_upload_initial_gpu_state(struct brw_context *brw)
    brw_upload_invariant_state(brw);
 
    /* Recommended optimization for Victim Cache eviction in pixel backend. */
-   if (brw->gen >= 9) {
-      BEGIN_BATCH(3);
-      OUT_BATCH(MI_LOAD_REGISTER_IMM | (3 - 2));
-      OUT_BATCH(GEN7_CACHE_MODE_1);
-      OUT_BATCH(REG_MASK(GEN9_PARTIAL_RESOLVE_DISABLE_IN_VC) |
-                GEN9_PARTIAL_RESOLVE_DISABLE_IN_VC);
-      ADVANCE_BATCH();
-   }
+   if (brw->gen >= 9)
+      brw_load_register_imm32(brw,
+                              GEN7_CACHE_MODE_1,
+                              REG_MASK(GEN9_PARTIAL_RESOLVE_DISABLE_IN_VC) |
+                              GEN9_PARTIAL_RESOLVE_DISABLE_IN_VC);
 
    if (brw->gen >= 8) {
       gen8_emit_3dstate_sample_pattern(brw);
diff --git a/src/mesa/drivers/dri/i965/gen7_l3_state.c b/src/mesa/drivers/dri/i965/gen7_l3_state.c
index e746b995c1..dd68f036b3 100644
--- a/src/mesa/drivers/dri/i965/gen7_l3_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_l3_state.c
@@ -117,21 +117,17 @@ setup_l3_config(struct brw_context *brw, const struct gen_l3_config *cfg)
                                PIPE_CONTROL_CS_STALL);
 
    if (brw->gen >= 8) {
-      assert(!cfg->n[GEN_L3P_IS] && !cfg->n[GEN_L3P_C] && !cfg->n[GEN_L3P_T]);
+      uint32_t partition;
 
-      BEGIN_BATCH(3);
-      OUT_BATCH(MI_LOAD_REGISTER_IMM | (3 - 2));
+      assert(!cfg->n[GEN_L3P_IS] && !cfg->n[GEN_L3P_C] && !cfg->n[GEN_L3P_T]);
 
       /* Set up the L3 partitioning. */
-      OUT_BATCH(GEN8_L3CNTLREG);
-      OUT_BATCH((has_slm ? GEN8_L3CNTLREG_SLM_ENABLE : 0) |
-                SET_FIELD(cfg->n[GEN_L3P_URB], GEN8_L3CNTLREG_URB_ALLOC) |
-                SET_FIELD(cfg->n[GEN_L3P_RO], GEN8_L3CNTLREG_RO_ALLOC) |
-                SET_FIELD(cfg->n[GEN_L3P_DC], GEN8_L3CNTLREG_DC_ALLOC) |
-                SET_FIELD(cfg->n[GEN_L3P_ALL], GEN8_L3CNTLREG_ALL_ALLOC));
-
-      ADVANCE_BATCH();
-
+      partition = has_slm ? GEN8_L3CNTLREG_SLM_ENABLE : 0;
+      partition |= SET_FIELD(cfg->n[GEN_L3P_URB], GEN8_L3CNTLREG_URB_ALLOC);
+      partition |= SET_FIELD(cfg->n[GEN_L3P_RO],  GEN8_L3CNTLREG_RO_ALLOC);
+      partition |= SET_FIELD(cfg->n[GEN_L3P_DC],  GEN8_L3CNTLREG_DC_ALLOC);
+      partition |= SET_FIELD(cfg->n[GEN_L3P_ALL], GEN8_L3CNTLREG_ALL_ALLOC);
+      brw_load_register_imm32(brw, GEN8_L3CNTLREG, partition);
    } else {
       assert(!cfg->n[GEN_L3P_ALL]);
 
diff --git a/src/mesa/drivers/dri/i965/gen8_depth_state.c b/src/mesa/drivers/dri/i965/gen8_depth_state.c
index 14689f400f..71e5831cf1 100644
--- a/src/mesa/drivers/dri/i965/gen8_depth_state.c
+++ b/src/mesa/drivers/dri/i965/gen8_depth_state.c
@@ -347,11 +347,9 @@ gen8_write_pma_stall_bits(struct brw_context *brw, uint32_t pma_stall_bits)
                                render_cache_flush);
 
    /* CACHE_MODE_1 is a non-privileged register. */
-   BEGIN_BATCH(3);
-   OUT_BATCH(MI_LOAD_REGISTER_IMM | (3 - 2));
-   OUT_BATCH(GEN7_CACHE_MODE_1);
-   OUT_BATCH(GEN8_HIZ_PMA_MASK_BITS | pma_stall_bits);
-   ADVANCE_BATCH();
+   brw_load_register_imm32(brw,
+                           GEN7_CACHE_MODE_1,
+                           GEN8_HIZ_PMA_MASK_BITS | pma_stall_bits);
 
    /* After the LRI, a PIPE_CONTROL with both the Depth Stall and Depth Cache
     * Flush bits is often necessary.  We do it regardless because it's easier.
-- 
2.11.0



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