diff options
| author | Oded Gabbay <ogabbay@kernel.org> | 2021-12-01 00:02:21 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2021-12-26 09:59:08 +0300 |
| commit | 4337b50b5fe5ee64c821790f601ee6153bb9f027 (patch) | |
| tree | 8a528f4e86286c1b4129134d21cbb65909cac438 /drivers/misc/habanalabs/common/debugfs.c | |
| parent | 6798676f7ef5916133e0c915be73b7a3b7e2a312 (diff) | |
| download | linux-4337b50b5fe5ee64c821790f601ee6153bb9f027.tar.xz | |
habanalabs: add helper to get compute context
There are multiple places where the code needs to get the context's
pointer and increment its ref cnt. This is the proper way instead
of using the compute context pointer in the device structure.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs/common/debugfs.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/debugfs.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/misc/habanalabs/common/debugfs.c b/drivers/misc/habanalabs/common/debugfs.c index 9727d82b121f..2e9c31d79d5e 100644 --- a/drivers/misc/habanalabs/common/debugfs.c +++ b/drivers/misc/habanalabs/common/debugfs.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright 2016-2019 HabanaLabs, Ltd. + * Copyright 2016-2021 HabanaLabs, Ltd. * All Rights Reserved. */ @@ -327,11 +327,7 @@ static int vm_show(struct seq_file *s, void *data) spin_unlock(&dev_entry->ctx_mem_hash_spinlock); - mutex_lock(&dev_entry->hdev->fpriv_list_lock); - ctx = dev_entry->hdev->compute_ctx; - if (ctx) - hl_ctx_get(dev_entry->hdev, ctx); - mutex_unlock(&dev_entry->hdev->fpriv_list_lock); + ctx = hl_get_compute_ctx(dev_entry->hdev); if (ctx) { seq_puts(s, "\nVA ranges:\n\n"); for (i = HL_VA_RANGE_TYPE_HOST ; i < HL_VA_RANGE_TYPE_MAX ; ++i) { @@ -443,7 +439,7 @@ static int mmu_show(struct seq_file *s, void *data) if (dev_entry->mmu_asid == HL_KERNEL_ASID_ID) ctx = hdev->kernel_ctx; else - ctx = hdev->compute_ctx; + ctx = hl_get_compute_ctx(hdev); if (!ctx) { dev_err(hdev->dev, "no ctx available\n"); @@ -596,7 +592,7 @@ static int device_va_to_pa(struct hl_device *hdev, u64 virt_addr, u32 size, u64 *phys_addr) { struct hl_vm_phys_pg_pack *phys_pg_pack; - struct hl_ctx *ctx = hdev->compute_ctx; + struct hl_ctx *ctx; struct hl_vm_hash_node *hnode; u64 end_address, range_size; struct hl_userptr *userptr; @@ -604,6 +600,8 @@ static int device_va_to_pa(struct hl_device *hdev, u64 virt_addr, u32 size, bool valid = false; int i, rc = 0; + ctx = hl_get_compute_ctx(hdev); + if (!ctx) { dev_err(hdev->dev, "no ctx available\n"); return -EINVAL; |