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broadcom/qpu: add qpu_writes_rf0_implicitly helper

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On v71 rf0 replaces r5 as the register that gets updated implicitly
with uniform loads, and gets the C coefficient with ldvary. This
helper return if rf0 gets implicitly updated.

Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25450>
This commit is contained in:
Alejandro Piñeiro 2021-09-15 10:56:43 +02:00 • committed by Marge Bot
parent 3e42b9ff47
commit c07eb1bae5
2 changed files with 14 additions and 0 deletions
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12
src/broadcom/qpu/qpu_instr.c
View file

@ -920,6 +920,18 @@ v3d_qpu_writes_accum(const struct v3d_device_info *devinfo,
return false;
}
bool
v3d_qpu_writes_rf0_implicitly(const struct v3d_device_info *devinfo,
const struct v3d_qpu_instr *inst)
{
if (devinfo->ver >= 71 &&
(inst->sig.ldvary || inst->sig.ldunif || inst->sig.ldunifa)) {
return true;
}
return false;
}
bool
v3d_qpu_uses_mux(const struct v3d_qpu_instr *inst, enum v3d_qpu_mux mux)
{

2
src/broadcom/qpu/qpu_instr.h
View file

@ -473,6 +473,8 @@ bool v3d_qpu_writes_r4(const struct v3d_device_info *devinfo,
const struct v3d_qpu_instr *instr) ATTRIBUTE_CONST;
bool v3d_qpu_writes_r5(const struct v3d_device_info *devinfo,
const struct v3d_qpu_instr *instr) ATTRIBUTE_CONST;
bool v3d_qpu_writes_rf0_implicitly(const struct v3d_device_info *devinfo,
const struct v3d_qpu_instr *instr) ATTRIBUTE_CONST;
bool v3d_qpu_writes_accum(const struct v3d_device_info *devinfo,
const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST;
bool v3d_qpu_waits_on_tmu(const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST;