radeonsi/gfx10: don't initialize VGT_INSTANCE_STEP_RATE_0
authorMarek Olšák <marek.olsak@amd.com>
Wed, 21 Aug 2019 00:58:18 +0000 (20:58 -0400)
committerMarek Olšák <marek.olsak@amd.com>
Tue, 27 Aug 2019 20:16:08 +0000 (16:16 -0400)
Only gfx9 and older use it to get InstanceID in VGPR1.

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
src/gallium/drivers/radeonsi/si_state.c

index 566954b1887d5b4700f2002f69c09faf0f3c3668..8c47002c99f1bcb34b395cce14c68196265fd03b 100644 (file)
@@ -5429,7 +5429,8 @@ static void si_init_config(struct si_context *sctx)
                si_pm4_set_reg(pm4, R_028B98_VGT_STRMOUT_BUFFER_CONFIG, 0x0);
        }
 
-       si_pm4_set_reg(pm4, R_028AA0_VGT_INSTANCE_STEP_RATE_0, 1);
+       if (sscreen->info.chip_class <= GFX9)
+               si_pm4_set_reg(pm4, R_028AA0_VGT_INSTANCE_STEP_RATE_0, 1);
        if (!has_clear_state)
                si_pm4_set_reg(pm4, R_028AB8_VGT_VTX_CNT_EN, 0x0);
        if (sctx->chip_class < GFX7)