From c811f7bc771f1cc3b1d932d5439757802806a789 Mon Sep 17 00:00:00 2001 From: Tomer Tayar Date: Thu, 7 Mar 2019 14:26:02 +0200 Subject: habanalabs: Add a printout with the name of a busy engine Print the name of a busy engine when checking if a device is idle. The change is done mainly to help a user to pinpoint problems in his topology's recipe. Signed-off-by: Tomer Tayar Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/goya/goya.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) (limited to 'drivers/misc/habanalabs/goya/goya.c') diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 3b34627500a2..630979422390 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -2783,6 +2783,7 @@ static int goya_send_job_on_qman0(struct hl_device *hdev, struct hl_cs_job *job) dma_addr_t fence_dma_addr; struct hl_cb *cb; u32 tmp, timeout; + char buf[16] = {}; int rc; if (hdev->pldm) @@ -2790,9 +2791,10 @@ static int goya_send_job_on_qman0(struct hl_device *hdev, struct hl_cs_job *job) else timeout = HL_DEVICE_TIMEOUT_USEC; - if (!hdev->asic_funcs->is_device_idle(hdev)) { + if (!hdev->asic_funcs->is_device_idle(hdev, buf, sizeof(buf))) { dev_err_ratelimited(hdev->dev, - "Can't send KMD job on QMAN0 if device is not idle\n"); + "Can't send KMD job on QMAN0 because %s is busy\n", + buf); return -EBUSY; } @@ -4691,7 +4693,7 @@ static void goya_disable_clock_gating(struct hl_device *hdev) } -static bool goya_is_device_idle(struct hl_device *hdev) +static bool goya_is_device_idle(struct hl_device *hdev, char *buf, size_t size) { u64 offset, dma_qm_reg, tpc_qm_reg, tpc_cmdq_reg, tpc_cfg_reg; int i; @@ -4703,7 +4705,7 @@ static bool goya_is_device_idle(struct hl_device *hdev) if ((RREG32(dma_qm_reg) & DMA_QM_IDLE_MASK) != DMA_QM_IDLE_MASK) - return false; + return HL_ENG_BUSY(buf, size, "DMA%d_QM", i); } offset = mmTPC1_QM_GLBL_STS0 - mmTPC0_QM_GLBL_STS0; @@ -4715,31 +4717,31 @@ static bool goya_is_device_idle(struct hl_device *hdev) if ((RREG32(tpc_qm_reg) & TPC_QM_IDLE_MASK) != TPC_QM_IDLE_MASK) - return false; + return HL_ENG_BUSY(buf, size, "TPC%d_QM", i); if ((RREG32(tpc_cmdq_reg) & TPC_CMDQ_IDLE_MASK) != TPC_CMDQ_IDLE_MASK) - return false; + return HL_ENG_BUSY(buf, size, "TPC%d_CMDQ", i); if ((RREG32(tpc_cfg_reg) & TPC_CFG_IDLE_MASK) != TPC_CFG_IDLE_MASK) - return false; + return HL_ENG_BUSY(buf, size, "TPC%d_CFG", i); } if ((RREG32(mmMME_QM_GLBL_STS0) & MME_QM_IDLE_MASK) != MME_QM_IDLE_MASK) - return false; + return HL_ENG_BUSY(buf, size, "MME_QM"); if ((RREG32(mmMME_CMDQ_GLBL_STS0) & MME_CMDQ_IDLE_MASK) != MME_CMDQ_IDLE_MASK) - return false; + return HL_ENG_BUSY(buf, size, "MME_CMDQ"); if ((RREG32(mmMME_ARCH_STATUS) & MME_ARCH_IDLE_MASK) != MME_ARCH_IDLE_MASK) - return false; + return HL_ENG_BUSY(buf, size, "MME_ARCH"); if (RREG32(mmMME_SHADOW_0_STATUS) & MME_SHADOW_IDLE_MASK) - return false; + return HL_ENG_BUSY(buf, size, "MME"); return true; } -- cgit v1.2.3