From 16f49c16c79a67f174b92672d546f909425f7fc3 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Fri, 2 Dec 2016 19:10:11 +0100 Subject: [PATCH] radeonsi: wait for outstanding memory instructions in TCS barriers MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Cc: 13.0 Reviewed-by: Nicolai Hähnle --- src/gallium/drivers/radeonsi/si_shader.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 27926d56320..53a8493dfce 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -3280,6 +3280,7 @@ static void build_tex_intrinsic(const struct lp_build_tgsi_action *action, * point in the program by emitting empty inline assembly that is marked as * having side effects. */ +#if 0 /* unused currently */ static void emit_optimization_barrier(struct si_shader_context *ctx) { LLVMBuilderRef builder = ctx->gallivm.builder; @@ -3287,7 +3288,10 @@ static void emit_optimization_barrier(struct si_shader_context *ctx) LLVMValueRef inlineasm = LLVMConstInlineAsm(ftype, "", "", true, false); LLVMBuildCall(builder, inlineasm, NULL, 0, ""); } +#endif +/* Combine these with & instead of |. */ +#define LGKM_CNT 0x07f #define VM_CNT 0xf70 static void emit_waitcnt(struct si_shader_context *ctx, unsigned simm16) @@ -5333,7 +5337,7 @@ static void si_llvm_emit_barrier(const struct lp_build_tgsi_action *action, * always fits into a single wave. */ if (ctx->type == PIPE_SHADER_TESS_CTRL) { - emit_optimization_barrier(ctx); + emit_waitcnt(ctx, LGKM_CNT & VM_CNT); return; } -- 2.30.2