diff options
author | Dafna Hirschfeld <dhirschfeld@habana.ai> | 2022-06-23 07:28:17 +0300 |
---|---|---|
committer | Oded Gabbay <ogabbay@kernel.org> | 2022-07-12 09:09:25 +0300 |
commit | 8c834a1442ad4e06f2be2574eee4a6985ad297aa (patch) | |
tree | f2317796afbe7e48a7d6d84e8186b0a9e81c95c4 /drivers/misc/habanalabs/gaudi/gaudi.c | |
parent | c1048d14c009e2c5c777956f8481296f8526a864 (diff) | |
download | linux-8c834a1442ad4e06f2be2574eee4a6985ad297aa.tar.xz |
habanalabs: don't send addr and size to scrub_device_mem cb
We use scrub_device_mem only to scrub the entire SRAM and entire
DRAM. Therefore there is no need to send addr and size
args to the callback.
Signed-off-by: Dafna Hirschfeld <dhirschfeld@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs/gaudi/gaudi.c')
-rw-r--r-- | drivers/misc/habanalabs/gaudi/gaudi.c | 64 |
1 files changed, 31 insertions, 33 deletions
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 453de3d27d0c..bc5e74505d03 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -1657,7 +1657,7 @@ static int gaudi_late_init(struct hl_device *hdev) } /* Scrub both SRAM and DRAM */ - rc = hdev->asic_funcs->scrub_device_mem(hdev, 0, 0); + rc = hdev->asic_funcs->scrub_device_mem(hdev); if (rc) goto disable_pci_access; @@ -4846,51 +4846,49 @@ static int gaudi_scrub_device_dram(struct hl_device *hdev, u64 val) return 0; } -static int gaudi_scrub_device_mem(struct hl_device *hdev, u64 addr, u64 size) +static int gaudi_scrub_device_mem(struct hl_device *hdev) { struct asic_fixed_properties *prop = &hdev->asic_prop; + u64 addr, size, dummy_val; int rc = 0; u64 val = 0; if (!hdev->memory_scrub) return 0; - if (!addr && !size) { - /* Wait till device is idle */ - rc = hl_poll_timeout( - hdev, - mmDMA0_CORE_STS0/* dummy */, - val/* dummy */, - (hdev->asic_funcs->is_device_idle(hdev, NULL, - 0, NULL)), - 1000, - HBM_SCRUBBING_TIMEOUT_US); - if (rc) { - dev_err(hdev->dev, "waiting for idle timeout\n"); - return -EIO; - } + /* Wait till device is idle */ + rc = hl_poll_timeout(hdev, + mmDMA0_CORE_STS0 /* dummy */, + dummy_val /* dummy */, + (hdev->asic_funcs->is_device_idle(hdev, NULL, 0, NULL)), + 1000, + HBM_SCRUBBING_TIMEOUT_US); + if (rc) { + dev_err(hdev->dev, "waiting for idle timeout\n"); + return -EIO; + } - /* Scrub SRAM */ - addr = prop->sram_user_base_address; - size = hdev->pldm ? 0x10000 : - (prop->sram_size - SRAM_USER_BASE_OFFSET); - val = 0x7777777777777777ull; + /* Scrub SRAM */ + addr = prop->sram_user_base_address; + size = hdev->pldm ? 0x10000 : prop->sram_size - SRAM_USER_BASE_OFFSET; + val = 0x7777777777777777ull; - rc = gaudi_memset_device_memory(hdev, addr, size, val); - if (rc) { - dev_err(hdev->dev, - "Failed to clear SRAM in mem scrub all\n"); - return rc; - } + dev_dbg(hdev->dev, "Scrubing SRAM: 0x%09llx - 0x%09llx val: 0x%llx\n", + addr, addr + size, val); + rc = gaudi_memset_device_memory(hdev, addr, size, val); + if (rc) { + dev_err(hdev->dev, "Failed to clear SRAM (%d)\n", rc); + return rc; + } - /* Scrub HBM using all DMA channels in parallel */ - rc = gaudi_scrub_device_dram(hdev, 0xdeadbeaf); - if (rc) - dev_err(hdev->dev, - "Failed to clear HBM in mem scrub all\n"); + /* Scrub HBM using all DMA channels in parallel */ + rc = gaudi_scrub_device_dram(hdev, 0xdeadbeaf); + if (rc) { + dev_err(hdev->dev, "Failed to clear HBM (%d)\n", rc); + return rc; } - return rc; + return 0; } static void *gaudi_get_int_queue_base(struct hl_device *hdev, |