diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index f404273243f..10f40a925e4 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -5440,10 +5440,13 @@ static void si_llvm_emit_barrier(const struct lp_build_tgsi_action *action, struct si_shader_context *ctx = si_shader_context(bld_base); struct gallivm_state *gallivm = bld_base->base.gallivm; - /* The real barrier instruction isn’t needed, because an entire patch + /* SI only (thanks to a hw bug workaround): + * The real barrier instruction isn’t needed, because an entire patch * always fits into a single wave. */ - if (ctx->type == PIPE_SHADER_TESS_CTRL) { + if (HAVE_LLVM >= 0x0309 && + ctx->screen->b.chip_class == SI && + ctx->type == PIPE_SHADER_TESS_CTRL) { emit_waitcnt(ctx, LGKM_CNT & VM_CNT); return; } |