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authorKristian Høgsberg Kristensen <kristian.h.kristensen@intel.com>2015-12-11 13:09:06 -0800
committerKristian Høgsberg Kristensen <kristian.h.kristensen@intel.com>2015-12-11 13:09:06 -0800
commit21d5e52da862af7e6f4509ae70667b12d2280b47 (patch)
tree85cf39a299a117bc2212596be4dbd2463011b41f /src/gallium/drivers/radeonsi/si_cp_dma.c
parent6ae4e59faca7875322a9a8a64e9d7b4a5a87ed48 (diff)
parentc51f133197437d01696abd9513fbcda4b16b897c (diff)
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Merge ../mesa into vulkan
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_cp_dma.c')
-rw-r--r--src/gallium/drivers/radeonsi/si_cp_dma.c38
1 files changed, 21 insertions, 17 deletions
diff --git a/src/gallium/drivers/radeonsi/si_cp_dma.c b/src/gallium/drivers/radeonsi/si_cp_dma.c
index 0bf85a0..dc62415 100644
--- a/src/gallium/drivers/radeonsi/si_cp_dma.c
+++ b/src/gallium/drivers/radeonsi/si_cp_dma.c
@@ -176,7 +176,7 @@ static void si_clear_buffer(struct pipe_context *ctx, struct pipe_resource *dst,
/* Fallback for unaligned clears. */
if (offset % 4 != 0 || size % 4 != 0) {
- uint8_t *map = sctx->b.ws->buffer_map(r600_resource(dst)->cs_buf,
+ uint8_t *map = sctx->b.ws->buffer_map(r600_resource(dst)->buf,
sctx->b.gfx.cs,
PIPE_TRANSFER_WRITE);
map += offset;
@@ -273,22 +273,26 @@ void si_copy_buffer(struct si_context *sctx,
dst_offset += r600_resource(dst)->gpu_address;
src_offset += r600_resource(src)->gpu_address;
- /* If the size is not aligned, we must add a dummy copy at the end
- * just to align the internal counter. Otherwise, the DMA engine
- * would slow down by an order of magnitude for following copies.
- */
- if (size % CP_DMA_ALIGNMENT)
- realign_size = CP_DMA_ALIGNMENT - (size % CP_DMA_ALIGNMENT);
-
- /* If the copy begins unaligned, we must start copying from the next
- * aligned block and the skipped part should be copied after everything
- * else has been copied. Only the src alignment matters, not dst.
- */
- if (src_offset % CP_DMA_ALIGNMENT) {
- skipped_size = CP_DMA_ALIGNMENT - (src_offset % CP_DMA_ALIGNMENT);
- /* The main part will be skipped if the size is too small. */
- skipped_size = MIN2(skipped_size, size);
- size -= skipped_size;
+ /* The workarounds aren't needed on Fiji and beyond. */
+ if (sctx->b.family <= CHIP_CARRIZO ||
+ sctx->b.family == CHIP_STONEY) {
+ /* If the size is not aligned, we must add a dummy copy at the end
+ * just to align the internal counter. Otherwise, the DMA engine
+ * would slow down by an order of magnitude for following copies.
+ */
+ if (size % CP_DMA_ALIGNMENT)
+ realign_size = CP_DMA_ALIGNMENT - (size % CP_DMA_ALIGNMENT);
+
+ /* If the copy begins unaligned, we must start copying from the next
+ * aligned block and the skipped part should be copied after everything
+ * else has been copied. Only the src alignment matters, not dst.
+ */
+ if (src_offset % CP_DMA_ALIGNMENT) {
+ skipped_size = CP_DMA_ALIGNMENT - (src_offset % CP_DMA_ALIGNMENT);
+ /* The main part will be skipped if the size is too small. */
+ skipped_size = MIN2(skipped_size, size);
+ size -= skipped_size;
+ }
}
/* Flush the caches. */