From 58bd926d9e555e7be4af576fae60a65774d9d743 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Thu, 21 Feb 2013 17:06:26 +0100 Subject: [PATCH] r600g: don't require dword alignment with CP DMA for buffer transfers which is a leftover from the days when we used streamout to copy buffers Tested-by: Andreas Boll --- src/gallium/drivers/r600/r600_blit.c | 3 +-- src/gallium/drivers/r600/r600_buffer.c | 7 ++++--- src/gallium/drivers/r600/r600_hw_context.c | 7 +------ src/gallium/drivers/r600/r600_pipe.c | 2 ++ src/gallium/drivers/r600/r600_pipe.h | 1 + 5 files changed, 9 insertions(+), 11 deletions(-) diff --git a/src/gallium/drivers/r600/r600_blit.c b/src/gallium/drivers/r600/r600_blit.c index c737aa2..8fc83aa 100644 --- a/src/gallium/drivers/r600/r600_blit.c +++ b/src/gallium/drivers/r600/r600_blit.c @@ -508,8 +508,7 @@ void r600_copy_buffer(struct pipe_context *ctx, struct pipe_resource *dst, unsig { struct r600_context *rctx = (struct r600_context*)ctx; - /* CP DMA doesn't work on R600 (flushing seems to be unreliable). */ - if (rctx->screen->info.drm_minor >= 27 && rctx->chip_class >= R700) { + if (rctx->screen->has_cp_dma) { r600_cp_dma_copy_buffer(rctx, dst, dstx, src, src_box->x, src_box->width); } else if (rctx->screen->has_streamout && diff --git a/src/gallium/drivers/r600/r600_buffer.c b/src/gallium/drivers/r600/r600_buffer.c index 7574cd6..4dbe363 100644 --- a/src/gallium/drivers/r600/r600_buffer.c +++ b/src/gallium/drivers/r600/r600_buffer.c @@ -150,9 +150,10 @@ static void *r600_buffer_transfer_map(struct pipe_context *ctx, } else if ((usage & PIPE_TRANSFER_DISCARD_RANGE) && !(usage & PIPE_TRANSFER_UNSYNCHRONIZED) && - rctx->screen->has_streamout && - /* The buffer range must be aligned to 4. */ - box->x % 4 == 0 && box->width % 4 == 0) { + (rctx->screen->has_cp_dma || + (rctx->screen->has_streamout && + /* The buffer range must be aligned to 4 with streamout. */ + box->x % 4 == 0 && box->width % 4 == 0))) { assert(usage & PIPE_TRANSFER_WRITE); /* Check if mapping this buffer would cause waiting for the GPU. */ diff --git a/src/gallium/drivers/r600/r600_hw_context.c b/src/gallium/drivers/r600/r600_hw_context.c index c2f3aab..677c6fc 100644 --- a/src/gallium/drivers/r600/r600_hw_context.c +++ b/src/gallium/drivers/r600/r600_hw_context.c @@ -1087,12 +1087,7 @@ void r600_cp_dma_copy_buffer(struct r600_context *rctx, struct radeon_winsys_cs *cs = rctx->rings.gfx.cs; assert(size); - assert(rctx->chip_class != R600); - - /* CP DMA doesn't work on R600 (flushing seems to be unreliable). */ - if (rctx->chip_class == R600) { - return; - } + assert(rctx->screen->has_cp_dma); dst_offset += r600_resource_va(&rctx->screen->screen, dst); src_offset += r600_resource_va(&rctx->screen->screen, src); diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c index a0504d1..e81856c 100644 --- a/src/gallium/drivers/r600/r600_pipe.c +++ b/src/gallium/drivers/r600/r600_pipe.c @@ -1123,6 +1123,8 @@ struct pipe_screen *r600_screen_create(struct radeon_winsys *ws) break; } + rscreen->has_cp_dma = rscreen->info.drm_minor >= 27 && rscreen->chip_class >= R700; + if (r600_init_tiling(rscreen)) { FREE(rscreen); return NULL; diff --git a/src/gallium/drivers/r600/r600_pipe.h b/src/gallium/drivers/r600/r600_pipe.h index f9519d7..cb52083 100644 --- a/src/gallium/drivers/r600/r600_pipe.h +++ b/src/gallium/drivers/r600/r600_pipe.h @@ -232,6 +232,7 @@ struct r600_screen { struct radeon_info info; bool has_streamout; bool has_msaa; + bool has_cp_dma; enum r600_msaa_texture_mode msaa_texture_support; bool use_hyperz; struct r600_tiling_info tiling_info; -- 2.7.4