diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/command_submission.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/command_submission.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/misc/habanalabs/common/command_submission.c b/drivers/misc/habanalabs/common/command_submission.c index cf4118515678..746b688d34cf 100644 --- a/drivers/misc/habanalabs/common/command_submission.c +++ b/drivers/misc/habanalabs/common/command_submission.c @@ -1590,13 +1590,14 @@ static int hl_cs_ctx_switch(struct hl_fpriv *hpriv, union hl_cs_args *args, struct hl_device *hdev = hpriv->hdev; struct hl_ctx *ctx = hpriv->ctx; bool need_soft_reset = false; - int rc = 0, do_ctx_switch; + int rc = 0, do_ctx_switch = 0; void __user *chunks; u32 num_chunks, tmp; u16 sob_count; int ret; - do_ctx_switch = atomic_cmpxchg(&ctx->thread_ctx_switch_token, 1, 0); + if (hdev->supports_ctx_switch) + do_ctx_switch = atomic_cmpxchg(&ctx->thread_ctx_switch_token, 1, 0); if (do_ctx_switch || (args->in.cs_flags & HL_CS_FLAGS_FORCE_RESTORE)) { mutex_lock(&hpriv->restore_phase_mutex); @@ -1667,9 +1668,10 @@ wait_again: } } - ctx->thread_ctx_switch_wait_token = 1; + if (hdev->supports_ctx_switch) + ctx->thread_ctx_switch_wait_token = 1; - } else if (!ctx->thread_ctx_switch_wait_token) { + } else if (hdev->supports_ctx_switch && !ctx->thread_ctx_switch_wait_token) { rc = hl_poll_timeout_memory(hdev, &ctx->thread_ctx_switch_wait_token, tmp, (tmp == 1), 100, jiffies_to_usecs(hdev->timeout_jiffies), false); |