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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-10-28 15:58:32 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-10-28 22:53:45 +0300 |
| commit | 4c7d62c6b8a2b4e2300d977644e78b25a2d5f4d0 (patch) | |
| tree | d7dd15a7872af1d87c39211beb92142e841bddb4 /drivers/gpu/drm/i915/i915_gem_request.c | |
| parent | 4e50f082ac51c95046a8315612ce1d9acb2b3d63 (diff) | |
| download | linux-4c7d62c6b8a2b4e2300d977644e78b25a2d5f4d0.tar.xz | |
drm/i915: Markup GEM API with lockdep asserts
Add lockdep_assert_held(struct_mutex) to the API preamble of the
internal GEM interfaces.
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/20161028125858.23563-9-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, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c index fbe0923fe0bc..d234c28cbb9f 100644 --- a/drivers/gpu/drm/i915/i915_gem_request.c +++ b/drivers/gpu/drm/i915/i915_gem_request.c @@ -143,6 +143,9 @@ static void i915_gem_request_retire(struct drm_i915_gem_request *request) { struct i915_gem_active *active, *next; + lockdep_assert_held(&request->i915->drm.struct_mutex); + GEM_BUG_ON(!i915_gem_request_completed(request)); + trace_i915_gem_request_retire(request); list_del_init(&request->link); @@ -268,6 +271,8 @@ int i915_gem_set_seqno(struct drm_device *dev, u32 seqno) struct drm_i915_private *dev_priv = to_i915(dev); int ret; + lockdep_assert_held(&dev_priv->drm.struct_mutex); + if (seqno == 0) return -EINVAL; @@ -612,6 +617,7 @@ void __i915_add_request(struct drm_i915_gem_request *request, bool flush_caches) u32 reserved_tail; int ret; + lockdep_assert_held(&request->i915->drm.struct_mutex); trace_i915_gem_request_add(request); /* |