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author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-08-05 09:14:24 (GMT) |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-08-05 09:54:44 (GMT) |
commit | 209b3f7ed0e865ef0f3ffde3d623703019daeafc (patch) | |
tree | f22fc50640a6329654364a9551a3578de56f15d7 /drivers/gpu/drm/i915/i915_gem_request.c | |
parent | 3e510a8e65ef6d1cf45c18bf79c8f91ec481f154 (diff) | |
download | linux-209b3f7ed0e865ef0f3ffde3d623703019daeafc.tar.xz |
drm/i915: Assert that the request hasn't been retired
With all callers now not playing tricks with dropping the struct_mutex
between waiting and retiring, we can assert that the request is ready to
be retired.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1470388464-28458-19-git-send-email-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_request.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem_request.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c index 1f91dc8..b317a67 100644 --- a/drivers/gpu/drm/i915/i915_gem_request.c +++ b/drivers/gpu/drm/i915/i915_gem_request.c @@ -170,7 +170,7 @@ static void i915_gem_request_retire(struct drm_i915_gem_request *request) struct i915_gem_active *active, *next; trace_i915_gem_request_retire(request); - list_del_init(&request->link); + list_del(&request->link); /* We know the GPU must have read the request to have * sent us the seqno + interrupt, so use the position @@ -228,9 +228,7 @@ void i915_gem_request_retire_upto(struct drm_i915_gem_request *req) struct drm_i915_gem_request *tmp; lockdep_assert_held(&req->i915->drm.struct_mutex); - - if (list_empty(&req->link)) - return; + GEM_BUG_ON(list_empty(&req->link)); do { tmp = list_first_entry(&engine->request_list, |