From 8e70a58af394a8699aecdaad6e406a9183ce2090 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Tue, 12 Apr 2016 23:39:42 +0200 Subject: [PATCH] radeonsi: fix a critical SI hang since PIPELINESTAT_START/STOP was added For some reason unknown to me, SI hangs if the event is written after CONTEXT_CONTROL. --- src/gallium/drivers/radeonsi/si_hw_context.c | 3 ++- src/gallium/drivers/radeonsi/si_state.c | 8 -------- 2 files changed, 2 insertions(+), 9 deletions(-) diff --git a/src/gallium/drivers/radeonsi/si_hw_context.c b/src/gallium/drivers/radeonsi/si_hw_context.c index 242c22c88af..b621b55abd3 100644 --- a/src/gallium/drivers/radeonsi/si_hw_context.c +++ b/src/gallium/drivers/radeonsi/si_hw_context.c @@ -155,7 +155,8 @@ void si_begin_new_cs(struct si_context *ctx) SI_CONTEXT_INV_VMEM_L1 | SI_CONTEXT_INV_GLOBAL_L2 | SI_CONTEXT_INV_SMEM_L1 | - SI_CONTEXT_INV_ICACHE; + SI_CONTEXT_INV_ICACHE | + R600_CONTEXT_START_PIPELINE_STATS; /* set all valid group as dirty so they get reemited on * next draw command diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c index 664506e85d4..4d24fa39841 100644 --- a/src/gallium/drivers/radeonsi/si_state.c +++ b/src/gallium/drivers/radeonsi/si_state.c @@ -3817,14 +3817,6 @@ static void si_init_config(struct si_context *sctx) si_pm4_cmd_add(pm4, 0x80000000); si_pm4_cmd_end(pm4, false); - /* This enables pipeline stat & streamout queries. - * They are only disabled by blits. - */ - si_pm4_cmd_begin(pm4, PKT3_EVENT_WRITE); - si_pm4_cmd_add(pm4, EVENT_TYPE(V_028A90_PIPELINESTAT_START) | - EVENT_INDEX(0)); - si_pm4_cmd_end(pm4, false); - si_pm4_set_reg(pm4, R_028A18_VGT_HOS_MAX_TESS_LEVEL, fui(64)); si_pm4_set_reg(pm4, R_028A1C_VGT_HOS_MIN_TESS_LEVEL, fui(0)); -- 2.30.2