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brw: fixup scoreboarding for find_live_channels

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: mesa-stable
Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32895>
This commit is contained in:
Lionel Landwerlin 2025-01-05 16:17:44 +02:00 • committed by Marge Bot
parent 09b5de379c
commit c08b437db7
1 changed files with 7 additions and 0 deletions
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7
src/intel/compiler/brw_generator.cpp
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@ -1250,8 +1250,15 @@ brw_generator::generate_code(const cfg_t *cfg, int dispatch_width,
assert(inst->force_writemask_all && inst->group == 0);
assert(inst->dst.file == BAD_FILE);
brw_set_default_exec_size(p, BRW_EXECUTE_1);
brw_set_default_swsb(p, tgl_swsb_dst_dep(swsb, 1));
brw_MOV(p, retype(brw_flag_subreg(inst->flag_subreg), BRW_TYPE_UD),
retype(brw_mask_reg(0), BRW_TYPE_UD));
/* Reading certain ARF registers (like 'ce', the mask register) on
* Gfx12+ requires requires a dependency on all pipes on the read
* instruction and the next instructions
*/
if (devinfo->ver >= 12)
brw_SYNC(p, TGL_SYNC_NOP);
break;
}
case SHADER_OPCODE_BROADCAST: