diff options
| -rw-r--r-- | src/gallium/drivers/r600/r600_pipe.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c index a59578db9c4..a7973a525db 100644 --- a/src/gallium/drivers/r600/r600_pipe.c +++ b/src/gallium/drivers/r600/r600_pipe.c @@ -22,6 +22,7 @@ */ #include "r600_pipe.h" #include "r600_public.h" +#include "r600d.h" #include <errno.h> #include "pipe/p_shader_tokens.h" @@ -165,12 +166,23 @@ static void r600_flush_gfx_ring(void *ctx, unsigned flags) static void r600_flush_dma_ring(void *ctx, unsigned flags) { struct r600_context *rctx = (struct r600_context *)ctx; + struct radeon_winsys_cs *cs = rctx->rings.dma.cs; + unsigned padding_dw, i; - if (!rctx->rings.dma.cs->cdw) { + if (!cs->cdw) { return; } + + /* Pad the DMA CS to a multiple of 8 dwords. */ + padding_dw = 8 - cs->cdw % 8; + if (padding_dw < 8) { + for (i = 0; i < padding_dw; i++) { + cs->buf[cs->cdw++] = DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0); + } + } + rctx->rings.dma.flushing = true; - rctx->ws->cs_flush(rctx->rings.dma.cs, flags); + rctx->ws->cs_flush(cs, flags); rctx->rings.dma.flushing = false; } |