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broadcom/compiler: add a v3d_qpu_instr_is_legacy_sfu helper

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This checks for the deprecated, old-style SFU instructions triggered by
magic writes.

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
cc: mesa-stable

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22593>
This commit is contained in:
Iago Toral Quiroga 2023-04-24 08:51:47 +02:00 • committed by Marge Bot
parent 4a3be610d5
commit b3ac456eb1
2 changed files with 9 additions and 2 deletions
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10
src/broadcom/qpu/qpu_instr.c
View file

@ -660,9 +660,15 @@ v3d_qpu_uses_tlb(const struct v3d_qpu_instr *inst)
bool
v3d_qpu_uses_sfu(const struct v3d_qpu_instr *inst)
{
if (v3d_qpu_instr_is_sfu(inst))
return true;
return v3d_qpu_instr_is_sfu(inst) || v3d_qpu_instr_is_legacy_sfu(inst);
}
/* Checks whether the instruction implements a SFU operation by the writing
* to specific magic register addresses instead of using SFU ALU opcodes.
*/
bool
v3d_qpu_instr_is_legacy_sfu(const struct v3d_qpu_instr *inst)
{
if (inst->type == V3D_QPU_INSTR_TYPE_ALU) {
if (inst->alu.add.op != V3D_QPU_A_NOP &&
inst->alu.add.magic_write &&

1
src/broadcom/qpu/qpu_instr.h
View file

@ -452,6 +452,7 @@ bool v3d_qpu_magic_waddr_is_tsy(enum v3d_qpu_waddr waddr) ATTRIBUTE_CONST;
bool v3d_qpu_magic_waddr_loads_unif(enum v3d_qpu_waddr waddr) ATTRIBUTE_CONST;
bool v3d_qpu_uses_tlb(const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST;
bool v3d_qpu_instr_is_sfu(const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST;
bool v3d_qpu_instr_is_legacy_sfu(const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST;
bool v3d_qpu_uses_sfu(const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST;
bool v3d_qpu_writes_tmu(const struct v3d_device_info *devinfo,
const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST;