From: Chris Wilson Date: Wed, 19 Oct 2016 10:11:43 +0000 (+0100) Subject: drm/i915/gvt: Stop checking for impossible interrupts from a kthread X-Git-Tag: v5.15~11060^2~37^2~1051^2~24 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f460c251ea37836c57584a18981820fbde809d1d;p=platform%2Fkernel%2Flinux-starfive.git drm/i915/gvt: Stop checking for impossible interrupts from a kthread The kthread will not be interrupted, don't even bother checking. Signed-off-by: Chris Wilson Reviewed-by: Zhenyu Wang Signed-off-by: Zhenyu Wang --- diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index 3c2d8e9..9c508c3 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");