v3d: handle tlb read dependency tracking as if they were writes

Tile buffer reads are emitted as ordered sequences and cannot be reordered.

Reviewed-by: Eric Anholt <eric@anholt.net>

diff --git a/src/broadcom/compiler/qpu_schedule.c b/src/broadcom/compiler/qpu_schedule.c
index 338f75e4a187b145208c595f6c2e1856ecf1ea5c..b8e04f6ea1303c07d8c7dd723c86ebc60bbc6590 100644 (file)
--- a/src/broadcom/compiler/qpu_schedule.c
+++ b/src/broadcom/compiler/qpu_schedule.c
@@ -382,7 +382,7 @@ calculate_deps(struct schedule_state *state, struct schedule_node *n)
                 add_write_dep(state, &state->last_tmu_config, n);
 
         if (inst->sig.ldtlb | inst->sig.ldtlbu)
                 add_write_dep(state, &state->last_tmu_config, n);
 
         if (inst->sig.ldtlb | inst->sig.ldtlbu)

-                add_read_dep(state, state->last_tlb, n);
+                add_write_dep(state, &state->last_tlb, n);

 
         if (inst->sig.ldvpm) {
                 add_write_dep(state, &state->last_vpm_read, n);
 
         if (inst->sig.ldvpm) {
                 add_write_dep(state, &state->last_vpm_read, n);