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broadcom/vc5: Add validation that we don't violate GFXH-1633 requirements.

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We don't use ldunifa yet, but we will eventually for UBOs.
This commit is contained in:
Eric Anholt 2018-04-25 16:24:15 -07:00
parent 089c32eefd
commit 77b4f30bae
1 changed files with 13 additions and 0 deletions
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13
src/broadcom/compiler/qpu_validate.c
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@ -124,6 +124,19 @@ qpu_validate_inst(struct v3d_qpu_validate_state *state, struct qinst *qinst)
fail_instr(state, "LDUNIF after a LDVARY");
}
/* GFXH-1633 */
bool last_reads_ldunif = (state->last && (state->last->sig.ldunif ||
state->last->sig.ldunifrf));
bool last_reads_ldunifa = (state->last && (state->last->sig.ldunifa ||
state->last->sig.ldunifarf));
bool reads_ldunif = inst->sig.ldunif || inst->sig.ldunifrf;
bool reads_ldunifa = inst->sig.ldunifa || inst->sig.ldunifarf;
if ((last_reads_ldunif && reads_ldunifa) ||
(last_reads_ldunifa && reads_ldunif)) {
fail_instr(state,
"LDUNIF and LDUNIFA can't be next to each other");
}
int tmu_writes = 0;
int sfu_writes = 0;
int vpm_writes = 0;