From: Marek Olšák Date: Fri, 22 Apr 2016 08:16:14 +0000 (+0200) Subject: radeonsi: remove flushes at the beginning and end of IBs done by the kernel X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7d49b459b64e8cad2210c2ffc409b4efe6ea2214;p=mesa.git radeonsi: remove flushes at the beginning and end of IBs done by the kernel Reviewed-by: Nicolai Hähnle --- diff --git a/src/gallium/drivers/radeonsi/si_hw_context.c b/src/gallium/drivers/radeonsi/si_hw_context.c index 5ab20d8e0d9..7fc58a60453 100644 --- a/src/gallium/drivers/radeonsi/si_hw_context.c +++ b/src/gallium/drivers/radeonsi/si_hw_context.c @@ -114,12 +114,13 @@ void si_context_gfx_flush(void *context, unsigned flags, r600_preflush_suspend_features(&ctx->b); - ctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER | - SI_CONTEXT_INV_VMEM_L1 | - SI_CONTEXT_INV_GLOBAL_L2 | - SI_CONTEXT_CS_PARTIAL_FLUSH | - /* this is probably not needed anymore */ + ctx->b.flags |= SI_CONTEXT_CS_PARTIAL_FLUSH | SI_CONTEXT_PS_PARTIAL_FLUSH; + /* The kernel doesn't flush TC for VI correctly (need TC_WB_ACTION_ENA). */ + if (ctx->b.chip_class == VI) + ctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2 | + SI_CONTEXT_INV_VMEM_L1; + si_emit_cache_flush(ctx, NULL); /* force to keep tiling flags */ @@ -184,13 +185,12 @@ void si_begin_new_cs(struct si_context *ctx) if (ctx->trace_buf) si_trace_emit(ctx); - /* Flush read caches at the beginning of CS. */ - ctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER | - SI_CONTEXT_INV_VMEM_L1 | - SI_CONTEXT_INV_GLOBAL_L2 | - SI_CONTEXT_INV_SMEM_L1 | - SI_CONTEXT_INV_ICACHE | - R600_CONTEXT_START_PIPELINE_STATS; + /* Flush read caches at the beginning of CS not flushed by the kernel. */ + if (ctx->b.chip_class >= CIK) + ctx->b.flags |= SI_CONTEXT_INV_SMEM_L1 | + SI_CONTEXT_INV_ICACHE; + + ctx->b.flags |= R600_CONTEXT_START_PIPELINE_STATS; /* set all valid group as dirty so they get reemited on * next draw command