From: Alex Deucher <alexander.deuc...@amd.com> The DMA block seems to have alignment issues with large block sizes. Use the blitter for these surfaces.
v2: cayman/TN only Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=60802 Note: this is a candidate for the 9.1 branch. Signed-off-by: Alex Deucher <alexander.deuc...@amd.com> --- src/gallium/drivers/r600/evergreen_state.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c index 2bdefb0..b40ed01 100644 --- a/src/gallium/drivers/r600/evergreen_state.c +++ b/src/gallium/drivers/r600/evergreen_state.c @@ -3674,6 +3674,15 @@ boolean evergreen_dma_blit(struct pipe_context *ctx, return FALSE; } + /* The DMA block on cayman seems to have alignment issues + * with large block sizes. Needs more investigation. + */ + if ((rctx->chip_class == CAYMAN) && + (src_mode != dst_mode) && + (util_format_get_blocksize(src->format) >= 16)) { + return FALSE; + } + if (src_mode == dst_mode) { uint64_t dst_offset, src_offset; /* simple dma blit would do NOTE code here assume : -- 1.7.7.5 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
