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authorChris Wilson <chris@chris-wilson.co.uk>2017-03-08 22:08:08 +0000
committerZhenyu Wang <zhenyuw@linux.intel.com>2017-03-17 16:46:45 +0800
commit3dce2aca02929f180ab66171b333fa48fe485a03 (patch)
treeb3eb2b237e8cb9575d99a59055ce8e2a1e7eb6c5
parent3f765a341798ebd4e0ece7cce34399a8fd4a7f9f (diff)
downloadblackbird-op-linux-3dce2aca02929f180ab66171b333fa48fe485a03.tar.gz
blackbird-op-linux-3dce2aca02929f180ab66171b333fa48fe485a03.zip
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>
-rw-r--r--drivers/gpu/drm/i915/gvt/scheduler.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index d29e4352d529..dd8f8cc69a76 100644
--- 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",
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