radeonsi/gfx10: set GE_PC_ALLOC

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Acked-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index 3b95ed5d7abe6adb582f00b72f70add08e598fd5..5a3d534d475e5eb2209c4da8de27cafd31fca49a 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -1054,6 +1054,14 @@ static void gfx10_emit_shader_ngg_tess_gs(struct si_context *sctx)
        gfx10_emit_shader_ngg_tail(sctx, shader, initial_cdw);
 }
 
+static void si_set_ge_pc_alloc(struct si_screen *sscreen,
+                              struct si_pm4_state *pm4, bool culling)
+{
+       si_pm4_set_reg(pm4, R_030980_GE_PC_ALLOC,
+                      S_030980_OVERSUB_EN(1) |
+                      S_030980_NUM_PC_LINES((culling ? 256 : 128) * sscreen->info.max_se - 1));
+}
+
 unsigned si_get_input_prim(const struct si_shader_selector *gs)
 {
        if (gs->type == PIPE_SHADER_GEOMETRY)
@@ -1158,6 +1166,7 @@ static void gfx10_shader_ngg(struct si_screen *sscreen, struct si_shader *shader
                       S_00B22C_USER_SGPR_MSB_GFX10(num_user_sgprs >> 5) |
                       S_00B22C_OC_LDS_EN(es_type == PIPE_SHADER_TESS_EVAL) |
                       S_00B22C_LDS_SIZE(shader->config.lds_size));
+       si_set_ge_pc_alloc(sscreen, pm4, false);
 
        nparams = MAX2(shader->info.nr_param_exports, 1);
        shader->ctx_reg.ngg.spi_vs_out_config =
@@ -1391,6 +1400,8 @@ static void si_shader_vs(struct si_screen *sscreen, struct si_shader *shader,
 
        si_pm4_set_reg(pm4, R_00B120_SPI_SHADER_PGM_LO_VS, va >> 8);
        si_pm4_set_reg(pm4, R_00B124_SPI_SHADER_PGM_HI_VS, S_00B124_MEM_BASE(va >> 40));
+       if (sscreen->info.chip_class >= GFX10)
+               si_set_ge_pc_alloc(sscreen, pm4, false);
 
        uint32_t rsrc1 = S_00B128_VGPRS((shader->config.num_vgprs - 1) / 4) |
                         S_00B128_VGPR_COMP_CNT(vgpr_comp_cnt) |