Re: [PATCH v4 2/5] drm/i915/gt: Add intel_context_timeline_is_locked helper

[Das, Nirmoy]

On 3/8/2023 10:41 AM, Andi Shyti wrote:

We have:

  - intel_context_timeline_lock()
  - intel_context_timeline_unlock()

In the next patches we will also need:

  - intel_context_timeline_is_locked()

Add it.

Signed-off-by: Andi Shyti 
Cc: sta...@vger.kernel.org


Reviewed-by: Nirmoy Das 



---
  drivers/gpu/drm/i915/gt/intel_context.h | 6 ++
  1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_context.h 
b/drivers/gpu/drm/i915/gt/intel_context.h
index f919a66cebf5b..87d5e2d60b6db 100644
--- a/drivers/gpu/drm/i915/gt/intel_context.h
+++ b/drivers/gpu/drm/i915/gt/intel_context.h
@@ -265,6 +265,12 @@ static inline void intel_context_timeline_unlock(struct 
intel_timeline *tl)
mutex_unlock(>mutex);
  }
  
+static inline void intel_context_assert_timeline_is_locked(struct intel_timeline *tl)

+   __must_hold(>mutex)
+{
+   lockdep_assert_held(>mutex);
+}
+
  int intel_context_prepare_remote_request(struct intel_context *ce,
 struct i915_request *rq);
  

[PATCH v4 2/5] drm/i915/gt: Add intel_context_timeline_is_locked helper

[Andi Shyti]

We have:

 - intel_context_timeline_lock()
 - intel_context_timeline_unlock()

In the next patches we will also need:

 - intel_context_timeline_is_locked()

Add it.

Signed-off-by: Andi Shyti 
Cc: sta...@vger.kernel.org
---
 drivers/gpu/drm/i915/gt/intel_context.h | 6 ++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_context.h 
b/drivers/gpu/drm/i915/gt/intel_context.h
index f919a66cebf5b..87d5e2d60b6db 100644
--- a/drivers/gpu/drm/i915/gt/intel_context.h
+++ b/drivers/gpu/drm/i915/gt/intel_context.h
@@ -265,6 +265,12 @@ static inline void intel_context_timeline_unlock(struct 
intel_timeline *tl)
mutex_unlock(>mutex);
 }
 
+static inline void intel_context_assert_timeline_is_locked(struct 
intel_timeline *tl)
+   __must_hold(>mutex)
+{
+   lockdep_assert_held(>mutex);
+}
+
 int intel_context_prepare_remote_request(struct intel_context *ce,
 struct i915_request *rq);
 
-- 
2.39.2