radeonsi/gfx9: don't compare src_va w/ dst_va for CP_DMA_CLEAR

src_va contains the clear value in this case.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

diff --git a/src/gallium/drivers/radeonsi/si_cp_dma.c b/src/gallium/drivers/radeonsi/si_cp_dma.c
index 1381d8c..74e0b2d 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_cp_dma.c
+++ b/src/gallium/drivers/radeonsi/si_cp_dma.c
@@ -84,7 +84,8 @@ static void si_emit_cp_dma(struct si_context *sctx, uint64_t dst_va,
                command |= S_414_RAW_WAIT(1);
 
        /* Src and dst flags. */
-       if (sctx->b.chip_class >= GFX9 && src_va == dst_va)
+       if (sctx->b.chip_class >= GFX9 && !(flags & CP_DMA_CLEAR) &&
+           src_va == dst_va)
                header |= S_411_DSL_SEL(V_411_NOWHERE); /* prefetch only */
        else if (flags & CP_DMA_USE_L2)
                header |= S_411_DSL_SEL(V_411_DST_ADDR_TC_L2);