From: Marek Olšák Date: Fri, 15 Aug 2014 14:32:03 +0000 (+0200) Subject: radeonsi: set IA_MULTI_VGT_PARAM on SI the same as on CIK (v2) X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=94e474f3c3cb9f846c0fd6443d154baa1baeaecb;p=mesa.git radeonsi: set IA_MULTI_VGT_PARAM on SI the same as on CIK (v2) Nothing's changed for CIK here. Reviewed-by: Alex Deucher Reviewed-by: Michel Dänzer --- diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c index 4ab2b8bf5b6..571c487ed50 100644 --- a/src/gallium/drivers/radeonsi/si_state.c +++ b/src/gallium/drivers/radeonsi/si_state.c @@ -3044,12 +3044,6 @@ void si_init_config(struct si_context *sctx) si_pm4_set_reg(pm4, R_028B90_VGT_GS_INSTANCE_CNT, 0); si_pm4_set_reg(pm4, R_028B98_VGT_STRMOUT_BUFFER_CONFIG, 0x0); - if (sctx->b.chip_class == SI) { - si_pm4_set_reg(pm4, R_028AA8_IA_MULTI_VGT_PARAM, - S_028AA8_SWITCH_ON_EOP(1) | - S_028AA8_PARTIAL_VS_WAVE_ON(1) | - S_028AA8_PRIMGROUP_SIZE(63)); - } si_pm4_set_reg(pm4, R_028AB4_VGT_REUSE_OFF, 0x00000000); si_pm4_set_reg(pm4, R_028AB8_VGT_VTX_CNT_EN, 0x0); if (sctx->b.chip_class < CIK) diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c index 573487cedab..2e999f6d186 100644 --- a/src/gallium/drivers/radeonsi/si_state_draw.c +++ b/src/gallium/drivers/radeonsi/si_state_draw.c @@ -379,6 +379,53 @@ static unsigned si_conv_prim_to_gs_out(unsigned mode) return prim_conv[mode]; } +static unsigned si_get_ia_multi_vgt_param(struct si_context *sctx, + const struct pipe_draw_info *info) +{ + struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; + unsigned prim = info->mode; + unsigned primgroup_size = 64; + + /* SWITCH_ON_EOP(0) is always preferable. */ + bool wd_switch_on_eop = false; + bool ia_switch_on_eop = false; + + /* This is a hardware requirement. */ + if ((rs && rs->line_stipple_enable) || + (sctx->b.screen->debug_flags & DBG_SWITCH_ON_EOP)) { + ia_switch_on_eop = true; + wd_switch_on_eop = true; + } + + if (sctx->b.chip_class >= CIK) { + /* WD_SWITCH_ON_EOP has no effect on GPUs with less than + * 4 shader engines. Set 1 to pass the assertion below. + * The other cases are hardware requirements. */ + if (sctx->b.screen->info.max_se < 4 || + prim == PIPE_PRIM_POLYGON || + prim == PIPE_PRIM_LINE_LOOP || + prim == PIPE_PRIM_TRIANGLE_FAN || + prim == PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY || + info->primitive_restart) + wd_switch_on_eop = true; + + /* Hawaii hangs if instancing is enabled and WD_SWITCH_ON_EOP is 0. + * We don't know that for indirect drawing, so treat it as + * always problematic. */ + if (sctx->b.family == CHIP_HAWAII && + (info->indirect || info->instance_count > 1)) + wd_switch_on_eop = true; + + /* If the WD switch is false, the IA switch must be false too. */ + assert(wd_switch_on_eop || !ia_switch_on_eop); + } + + return S_028AA8_SWITCH_ON_EOP(ia_switch_on_eop) | + S_028AA8_PARTIAL_VS_WAVE_ON(1) | + S_028AA8_PRIMGROUP_SIZE(primgroup_size - 1) | + S_028AA8_WD_SWITCH_ON_EOP(sctx->b.chip_class >= CIK ? wd_switch_on_eop : 0); +} + static bool si_update_draw_info_state(struct si_context *sctx, const struct pipe_draw_info *info, const struct pipe_index_buffer *ib) @@ -391,6 +438,7 @@ static bool si_update_draw_info_state(struct si_context *sctx, sctx->gs_shader->current->shader.gs_output_prim : info->mode); unsigned ls_mask = 0; + unsigned ia_multi_vgt_param = si_get_ia_multi_vgt_param(sctx, info); if (pm4 == NULL) return false; @@ -401,55 +449,17 @@ static bool si_update_draw_info_state(struct si_context *sctx, } if (sctx->b.chip_class >= CIK) { - struct si_state_rasterizer *rs = sctx->queued.named.rasterizer; - unsigned primgroup_size = 64; - - /* SWITCH_ON_EOP(0) is always preferable. */ - bool wd_switch_on_eop = false; - bool ia_switch_on_eop = false; - - /* WD_SWITCH_ON_EOP has no effect on GPUs with less than - * 4 shader engines. Set 1 to pass the assertion below. - * The other cases are hardware requirements. */ - if (sctx->b.screen->info.max_se < 4 || - prim == V_008958_DI_PT_POLYGON || - prim == V_008958_DI_PT_LINELOOP || - prim == V_008958_DI_PT_TRIFAN || - prim == V_008958_DI_PT_TRISTRIP_ADJ || - info->primitive_restart) - wd_switch_on_eop = true; - - /* Hawaii hangs if instancing is enabled and WD_SWITCH_ON_EOP is 0. - * We don't know that for indirect drawing, so treat it as - * always problematic. */ - if (sctx->b.family == CHIP_HAWAII && - (info->indirect || info->instance_count > 1)) - wd_switch_on_eop = true; - - /* This is a hardware requirement. */ - if ((rs && rs->line_stipple_enable) || - (sctx->b.screen->debug_flags & DBG_SWITCH_ON_EOP)) { - ia_switch_on_eop = true; - wd_switch_on_eop = true; - } - - /* If the WD switch is false, the IA switch must be false too. */ - assert(wd_switch_on_eop || !ia_switch_on_eop); - si_pm4_set_reg(pm4, R_028B74_VGT_DISPATCH_DRAW_INDEX, ib->index_size == 4 ? 0xFC000000 : 0xFC00); si_pm4_cmd_begin(pm4, PKT3_DRAW_PREAMBLE); si_pm4_cmd_add(pm4, prim); /* VGT_PRIMITIVE_TYPE */ - si_pm4_cmd_add(pm4, /* IA_MULTI_VGT_PARAM */ - S_028AA8_SWITCH_ON_EOP(ia_switch_on_eop) | - S_028AA8_PARTIAL_VS_WAVE_ON(1) | - S_028AA8_PRIMGROUP_SIZE(primgroup_size - 1) | - S_028AA8_WD_SWITCH_ON_EOP(wd_switch_on_eop)); + si_pm4_cmd_add(pm4, ia_multi_vgt_param); /* IA_MULTI_VGT_PARAM */ si_pm4_cmd_add(pm4, 0); /* VGT_LS_HS_CONFIG */ si_pm4_cmd_end(pm4, false); } else { si_pm4_set_reg(pm4, R_008958_VGT_PRIMITIVE_TYPE, prim); + si_pm4_set_reg(pm4, R_028AA8_IA_MULTI_VGT_PARAM, ia_multi_vgt_param); } si_pm4_set_reg(pm4, R_028A6C_VGT_GS_OUT_PRIM_TYPE, gs_out_prim);