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habanalabs: set TPC Icache to 16 cache lines 

Reduce latency to memory during TPC kernel execution.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: Tomer Tayar <ttayar@habana.ai>
This commit is contained in:
Oded Gabbay 2019-10-02 14:14:08 +03:00
parent cb596aee88
commit 8fdacf2a53
2 changed files with 7 additions and 3 deletions
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3
drivers/misc/habanalabs/goya/goya.c
View File

@ -1457,6 +1457,9 @@ static void goya_init_golden_registers(struct hl_device *hdev)
1 << TPC0_NRTR_SCRAMB_EN_VAL_SHIFT); 1 << TPC0_NRTR_SCRAMB_EN_VAL_SHIFT);
WREG32(mmTPC0_NRTR_NON_LIN_SCRAMB + offset, WREG32(mmTPC0_NRTR_NON_LIN_SCRAMB + offset,
1 << TPC0_NRTR_NON_LIN_SCRAMB_EN_SHIFT); 1 << TPC0_NRTR_NON_LIN_SCRAMB_EN_SHIFT);
WREG32_FIELD(TPC0_CFG_MSS_CONFIG, offset,
ICACHE_FETCH_LINE_NUM, 2);
} }
WREG32(mmDMA_NRTR_SCRAMB_EN, 1 << DMA_NRTR_SCRAMB_EN_VAL_SHIFT); WREG32(mmDMA_NRTR_SCRAMB_EN, 1 << DMA_NRTR_SCRAMB_EN_VAL_SHIFT);

7
drivers/misc/habanalabs/habanalabs.h
View File

@ -1062,9 +1062,10 @@ void hl_wreg(struct hl_device *hdev, u32 reg, u32 val);
#define REG_FIELD_SHIFT(reg, field) reg##_##field##_SHIFT #define REG_FIELD_SHIFT(reg, field) reg##_##field##_SHIFT
#define REG_FIELD_MASK(reg, field) reg##_##field##_MASK #define REG_FIELD_MASK(reg, field) reg##_##field##_MASK
#define WREG32_FIELD(reg, field, val) \ #define WREG32_FIELD(reg, offset, field, val) \
WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | \ WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & \
(val) << REG_FIELD_SHIFT(reg, field)) ~REG_FIELD_MASK(reg, field)) | \
(val) << REG_FIELD_SHIFT(reg, field))
/* Timeout should be longer when working with simulator but cap the /* Timeout should be longer when working with simulator but cap the
* increased timeout to some maximum * increased timeout to some maximum