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radeonsi/gfx10: don't initialize VGT_INSTANCE_STEP_RATE_0 

Only gfx9 and older use it to get InstanceID in VGPR1.

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
This commit is contained in:
Marek Olšák 2019-08-20 20:58:18 -04:00
parent 28f44ee533
commit f251fd7bf5
1 changed files with 2 additions and 1 deletions
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3
src/gallium/drivers/radeonsi/si_state.c
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@ -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)