Module: Mesa Branch: main Commit: 207eb94445039533864ed2f4a5a32f6679e61412 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=207eb94445039533864ed2f4a5a32f6679e61412
Author: Tapani Pälli <[email protected]> Date: Tue Feb 28 19:28:52 2023 +0200 intel/compiler: add comment about workaround on simd width Signed-off-by: Tapani Pälli <[email protected]> Reviewed-by: Lionel Landwerlin <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21619> --- src/intel/compiler/brw_fs_visitor.cpp | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/intel/compiler/brw_fs_visitor.cpp b/src/intel/compiler/brw_fs_visitor.cpp index d21be91323a..f43e4787bc0 100644 --- a/src/intel/compiler/brw_fs_visitor.cpp +++ b/src/intel/compiler/brw_fs_visitor.cpp @@ -888,6 +888,12 @@ fs_visitor::emit_fb_writes() this->outputs[0].file != BAD_FILE); assert(!prog_data->dual_src_blend || key->nr_color_regions == 1); + /* Following condition implements Wa_14017468336: + * + * "If dual source blend is enabled do not enable SIMD32 dispatch" and + * "For a thread dispatched as SIMD32, must not issue SIMD8 message with Last + * Render Target Select set." + */ if (devinfo->ver >= 11 && devinfo->ver <= 12 && prog_data->dual_src_blend) { /* The dual-source RT write messages fail to release the thread
