diff options
| author | Marek Olšák <[email protected]> | 2016-12-27 16:12:05 +0100 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2017-01-05 18:43:24 +0100 |
| commit | 9e1aa81dfeced2381aa0df73758dd76f2722d857 (patch) | |
| tree | b77dedf4281b6f83a1d0ecc8ca16285569bd1b40 /src/gallium/drivers/r600/evergreen_hw_context.c | |
| parent | 3be83364405da8d5b7085512fcd80c0d910dffd9 (diff) | |
gallium/radeon: prevent SDMA stalls by detecting RAW hazards in need_dma_space
Call r600_dma_emit_wait_idle only when there is a possibility of
a read-after-write hazard. Buffers not yet used by the SDMA IB don't
have to wait.
Reviewed-by: Nicolai Hähnle <[email protected]>
Diffstat (limited to 'src/gallium/drivers/r600/evergreen_hw_context.c')
| -rw-r--r-- | src/gallium/drivers/r600/evergreen_hw_context.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/src/gallium/drivers/r600/evergreen_hw_context.c b/src/gallium/drivers/r600/evergreen_hw_context.c index 06f03482341..5352dc05779 100644 --- a/src/gallium/drivers/r600/evergreen_hw_context.c +++ b/src/gallium/drivers/r600/evergreen_hw_context.c @@ -77,7 +77,6 @@ void evergreen_dma_copy_buffer(struct r600_context *rctx, src_offset += csize << shift; size -= csize; } - r600_dma_emit_wait_idle(&rctx->b); } /* The max number of bytes to copy per packet. */ |