On 2016.10.19 09:12:27 +0100, Chris Wilson wrote:
> The kthread will not be interrupted, don't even bother checking.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Zhenyu Wang <zhenyuw@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/gvt/scheduler.c | 9 ++-------
> 1 file changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
> index b15cdf5978a9..4cedd3274da7 100644
> --- a/drivers/gpu/drm/i915/gvt/scheduler.c
> +++ b/drivers/gpu/drm/i915/gvt/scheduler.c
> @@ -423,12 +423,7 @@ static int workload_thread(void *priv)
> /*
> * Always take i915 big lock first
> */
> - ret = i915_mutex_lock_interruptible(&gvt->dev_priv->drm);
> - if (ret < 0) {
> - gvt_err("i915 submission is not available, retry\n");
> - schedule_timeout(1);
> - continue;
> - }
> + mutex_lock(&gvt->dev_priv->drm.struct_mutex);
>
> gvt_dbg_sched("ring id %d will dispatch workload %p\n",
> workload->ring_id, workload);
> @@ -447,7 +442,7 @@ static int workload_thread(void *priv)
> workload->ring_id, workload);
>
> workload->status = i915_wait_request(workload->req,
> - I915_WAIT_INTERRUPTIBLE | I915_WAIT_LOCKED,
> + I915_WAIT_LOCKED,
> NULL, NULL);
> if (workload->status != 0)
> gvt_err("fail to wait workload, skip\n");
> --
> 2.9.3
>
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