fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-08 13:28:06 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

brw: fix workaround fence rlen field
Some checks are pending
macOS-CI / macOS-CI (dri) (push) Waiting to run
Details
macOS-CI / macOS-CI (xlib) (push) Waiting to run
Details

Browse source 
send.ugm (1|M0)          r125     r0      null:0  0x0            0x0200651F           {$9} // wr:1+0, rd:0; fence invalid flush type scoped to tile

When destination of Send(s) is not null, the response length must not be 0.

Should only affect DG2 products.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: mesa-stable
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38478>
This commit is contained in:
Lionel Landwerlin 2025-11-17 09:52:53 +02:00 • committed by Marge Bot
parent 17c015c2de
commit 4816318887
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/intel/compiler/brw/brw_workaround.cpp
View file

@ -120,9 +120,11 @@ brw_workaround_memory_fence_before_eot(brw_shader &s)
dummy_fence->mlen = reg_unit(s.devinfo);
dummy_fence->ex_mlen = 0;
dummy_fence->sfid = BRW_SFID_UGM;
dummy_fence->desc = lsc_fence_msg_desc(s.devinfo, LSC_FENCE_TILE,
LSC_FLUSH_TYPE_NONE_6, false);
dummy_fence->size_written = REG_SIZE * reg_unit(s.devinfo);
dummy_fence->desc = lsc_fence_msg_desc(s.devinfo, LSC_FENCE_TILE,
LSC_FLUSH_TYPE_NONE_6, false) |
brw_message_desc(s.devinfo, dummy_fence->mlen,
dummy_fence->size_written / REG_SIZE, 0);
ubld.emit(FS_OPCODE_SCHEDULING_FENCE, ubld.null_reg_ud(), dst);
progress = true;
/* TODO: remove this break if we ever have shader with multiple EOT. */