drm/i915/gvt: Remove bogus retry around i915_wait_request

commit 8f1117abb408 ("drm/i915/gvt: handle workload lifecycle properly")
includes some nonsense to retry a indefinite wait - i915_wait_request()
does not return until the request is completed when used from an
uninterruptible context.

Fixes: 8f1117abb408 ("drm/i915/gvt: handle workload lifecycle properly"
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chuanxiao Dong <chuanxiao.dong@intel.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index d29e435..dd8f8cc 100644 (file)
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -468,19 +468,7 @@ static int workload_thread(void *priv)
 
                gvt_dbg_sched("ring id %d wait workload %p\n",
                                workload->ring_id, workload);
-retry:
-               i915_wait_request(workload->req,
-                                        0, MAX_SCHEDULE_TIMEOUT);
-               /* I915 has replay mechanism and a request will be replayed
-                * if there is i915 reset. So the seqno will be updated anyway.
-                * If the seqno is not updated yet after waiting, which means
-                * the replay may still be in progress and we can wait again.
-                */
-               if (!i915_gem_request_completed(workload->req)) {
-                       gvt_dbg_sched("workload %p not completed, wait again\n",
-                                       workload);
-                       goto retry;
-               }
+               i915_wait_request(workload->req, 0, MAX_SCHEDULE_TIMEOUT);
 
 complete:
                gvt_dbg_sched("will complete workload %p, status: %d\n",