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r600/sb: schedule LDS ops in appropriate places.

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So LDS ops have to be SLOT_X,
and LDS OQ reads have read port restrictions so we try
and force those into only having one per slot and avoiding
bank swizzles.

Acked-By: Roland Scheidegger <sroland@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2018-01-10 04:41:02 +00:00
parent 71a50de4fc
commit 8cfec333c0
2 changed files with 7 additions and 0 deletions
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3
src/gallium/drivers/r600/sb/sb_bc.h
View File

@ -711,6 +711,9 @@ public:
mask = 0x0F;
if (!is_cayman() && (slot_flags & AF_S))
mask |= 0x10;
/* Force LDS_IDX ops into SLOT_X */
if (op_ptr->opcode[0] == -1 && ((op_ptr->opcode[1] & 0xFF) == 0x11))
mask = 0x01;
return mask;
}

4
src/gallium/drivers/r600/sb/sb_sched.cpp
View File

@ -461,6 +461,10 @@ bool alu_group_tracker::try_reserve(alu_node* n) {
if (n->uses_ar() && has_mova)
return false;
if (consumes_lds_oqa)
return false;
if (n->consumes_lds_oq() && available_slots != (sh.get_ctx().has_trans ? 0x1F : 0x0F))
return false;
for (unsigned i = 0; i < nsrc; ++i) {
unsigned last_id = next_id;