AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

brw: add a comment what Gfx12.5 URB fences

Browse Source 
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Rohan Garg <rohan.garg@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30849>
This commit is contained in:
Lionel Landwerlin
2024-08-27 14:23:19 +03:00
committed by Marge Bot
parent 93fba40389
commit e97b968aeb
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/intel/compiler/brw_eu_emit.c
+4
View File
@@ -1817,6 +1817,10 @@ gfx12_set_memory_fence_message(struct brw_codegen *p,
brw_inst_set_sfid(p->devinfo, insn, sfid);
/* On Gfx12.5 URB is not listed as port usable for fences with the LSC (see
* BSpec 53578 for Gfx12.5, BSpec 57330 for Gfx20), so we completely ignore
* the descriptor value and rebuild a legacy URB fence descriptor.
*/
if (sfid == BRW_SFID_URB && p->devinfo->ver < 20) {
brw_set_desc(p, insn, brw_urb_fence_desc(p->devinfo) |
brw_message_desc(p->devinfo, mlen, rlen, true));