Module: Mesa
Branch: master
Commit: 6f73c7595fab450ae9fd1af67aaed322bca02ee0
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=6f73c7595fab450ae9fd1af67aaed322bca02ee0

Author: Nicolai Hähnle <[email protected]>
Date:   Thu Jul 14 16:21:52 2016 +0200

radeonsi: remove the DRAW_PREAMBLE packet

According to firmware guys, the new sequence that we added for Polaris should
work on all CIK parts, and should actually be faster on some parts.

Reviewed-by: Marek Olšák <[email protected]>

---

 src/gallium/drivers/radeonsi/si_debug.c      | 5 -----
 src/gallium/drivers/radeonsi/si_state_draw.c | 7 +------
 src/gallium/drivers/radeonsi/sid.h           | 1 -
 3 files changed, 1 insertion(+), 12 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_debug.c 
b/src/gallium/drivers/radeonsi/si_debug.c
index 57a930f..73e0bfe 100644
--- a/src/gallium/drivers/radeonsi/si_debug.c
+++ b/src/gallium/drivers/radeonsi/si_debug.c
@@ -286,11 +286,6 @@ static uint32_t *si_parse_packet3(FILE *f, uint32_t *ib, 
int *num_dw,
        case PKT3_SET_SH_REG:
                si_parse_set_reg_packet(f, ib, count, SI_SH_REG_OFFSET);
                break;
-       case PKT3_DRAW_PREAMBLE:
-               si_dump_reg(f, R_030908_VGT_PRIMITIVE_TYPE, ib[1], ~0);
-               si_dump_reg(f, R_028AA8_IA_MULTI_VGT_PARAM, ib[2], ~0);
-               si_dump_reg(f, R_028B58_VGT_LS_HS_CONFIG, ib[3], ~0);
-               break;
        case PKT3_ACQUIRE_MEM:
                si_dump_reg(f, R_0301F0_CP_COHER_CNTL, ib[1], ~0);
                si_dump_reg(f, R_0301F4_CP_COHER_SIZE, ib[2], ~0);
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c 
b/src/gallium/drivers/radeonsi/si_state_draw.c
index a596bd8..24fa682 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -478,15 +478,10 @@ static void si_emit_draw_registers(struct si_context 
*sctx,
        if (prim != sctx->last_prim ||
            ia_multi_vgt_param != sctx->last_multi_vgt_param ||
            ls_hs_config != sctx->last_ls_hs_config) {
-               if (sctx->b.family >= CHIP_POLARIS10) {
+               if (sctx->b.chip_class >= CIK) {
                        radeon_set_context_reg_idx(cs, 
R_028AA8_IA_MULTI_VGT_PARAM, 1, ia_multi_vgt_param);
                        radeon_set_context_reg_idx(cs, 
R_028B58_VGT_LS_HS_CONFIG, 2, ls_hs_config);
                        radeon_set_uconfig_reg_idx(cs, 
R_030908_VGT_PRIMITIVE_TYPE, 1, prim);
-               } else if (sctx->b.chip_class >= CIK) {
-                       radeon_emit(cs, PKT3(PKT3_DRAW_PREAMBLE, 2, 0));
-                       radeon_emit(cs, prim); /* VGT_PRIMITIVE_TYPE */
-                       radeon_emit(cs, ia_multi_vgt_param); /* 
IA_MULTI_VGT_PARAM */
-                       radeon_emit(cs, ls_hs_config); /* VGT_LS_HS_CONFIG */
                } else {
                        radeon_set_config_reg(cs, R_008958_VGT_PRIMITIVE_TYPE, 
prim);
                        radeon_set_context_reg(cs, R_028AA8_IA_MULTI_VGT_PARAM, 
ia_multi_vgt_param);
diff --git a/src/gallium/drivers/radeonsi/sid.h 
b/src/gallium/drivers/radeonsi/sid.h
index b973489..f6a05c5 100644
--- a/src/gallium/drivers/radeonsi/sid.h
+++ b/src/gallium/drivers/radeonsi/sid.h
@@ -101,7 +101,6 @@
 #define PKT3_INDIRECT_BUFFER_CONST             0x33
 #define PKT3_STRMOUT_BUFFER_UPDATE             0x34
 #define PKT3_DRAW_INDEX_OFFSET_2               0x35
-#define PKT3_DRAW_PREAMBLE                     0x36 /* new on CIK, required on 
GFX7.2 and later */
 #define PKT3_WRITE_DATA                        0x37
 #define   R_370_CONTROL                                0x370 /* 0x[packet 
number][word index] */
 #define     S_370_ENGINE_SEL(x)                        (((unsigned)(x) & 0x3) 
<< 30)

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