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habanalabs: add notice of device not idle

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The device should be idle after a context is closed. If not, print a
notice.

Reviewed-by: Tomer Tayar <ttayar@habana.ai>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Oded Gabbay 2020-09-23 23:56:18 +03:00
parent 3c3aa5dbd6
commit eab1f6e7b0
1 changed files with 8 additions and 0 deletions
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8
drivers/misc/habanalabs/common/context.c
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@ -12,6 +12,7 @@
static void hl_ctx_fini(struct hl_ctx *ctx)
{
struct hl_device *hdev = ctx->hdev;
u64 idle_mask = 0;
int i;
/*
@ -42,6 +43,13 @@ static void hl_ctx_fini(struct hl_ctx *ctx)
hl_cb_va_pool_fini(ctx);
hl_vm_ctx_fini(ctx);
hl_asid_free(hdev, ctx->asid);
if ((!hdev->pldm) && (hdev->pdev) &&
(!hdev->asic_funcs->is_device_idle(hdev,
&idle_mask, NULL)))
dev_notice(hdev->dev,
"device not idle after user context is closed (0x%llx)\n",
idle_mask);
} else {
dev_dbg(hdev->dev, "closing kernel context\n");
hl_mmu_ctx_fini(ctx);