Mesa (master): r600/sb: schedule LDS ops in appropriate places.
Dave Airlie
airlied at kemper.freedesktop.org
Thu Jan 18 03:39:44 UTC 2018
Module: Mesa
Branch: master
Commit: 8cfec333c08a9518735d261cc9d6a96d64276f1c
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=8cfec333c08a9518735d261cc9d6a96d64276f1c
Author: Dave Airlie <airlied at redhat.com>
Date: Wed Jan 10 04:41:02 2018 +0000
r600/sb: schedule LDS ops in appropriate places.
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 at vmware.com>
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
src/gallium/drivers/r600/sb/sb_bc.h | 3 +++
src/gallium/drivers/r600/sb/sb_sched.cpp | 4 ++++
2 files changed, 7 insertions(+)
diff --git a/src/gallium/drivers/r600/sb/sb_bc.h b/src/gallium/drivers/r600/sb/sb_bc.h
index 3a3bae9d44..b35671bf0f 100644
--- a/src/gallium/drivers/r600/sb/sb_bc.h
+++ b/src/gallium/drivers/r600/sb/sb_bc.h
@@ -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;
}
diff --git a/src/gallium/drivers/r600/sb/sb_sched.cpp b/src/gallium/drivers/r600/sb/sb_sched.cpp
index 1feef585df..f5fd84d54a 100644
--- a/src/gallium/drivers/r600/sb/sb_sched.cpp
+++ b/src/gallium/drivers/r600/sb/sb_sched.cpp
@@ -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;
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