Signed-off-by: Rob Clark <robdclark@xxxxxxxxx>
---
drivers/gpu/drm/msm/adreno/adreno_gpu.c | 4 +-
drivers/gpu/drm/msm/msm_atomic.c | 42 ++++++-----
drivers/gpu/drm/msm/msm_drv.h | 5 +-
drivers/gpu/drm/msm/msm_fence.c | 71 +++++++++++++++++-
drivers/gpu/drm/msm/msm_fence.h | 4 ++
drivers/gpu/drm/msm/msm_gem.c | 124 ++++++++++++++++++++++++--------
drivers/gpu/drm/msm/msm_gem.h | 16 +----
drivers/gpu/drm/msm/msm_gem_submit.c | 22 +++++-
drivers/gpu/drm/msm/msm_gpu.c | 27 ++++---
drivers/gpu/drm/msm/msm_rd.c | 2 +-
10 files changed, 233 insertions(+), 84 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index 9aab871..95aed37 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -168,7 +168,7 @@ int adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
OUT_PKT2(ring);
OUT_PKT0(ring, REG_AXXX_CP_SCRATCH_REG2, 1);
- OUT_RING(ring, submit->fence);
+ OUT_RING(ring, submit->fence->seqno);
if (adreno_is_a3xx(adreno_gpu) || adreno_is_a4xx(adreno_gpu)) {
/* Flush HLSQ lazy updates to make sure there is nothing
@@ -185,7 +185,7 @@ int adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
OUT_PKT3(ring, CP_EVENT_WRITE, 3);
OUT_RING(ring, CACHE_FLUSH_TS);
OUT_RING(ring, rbmemptr(adreno_gpu, fence));
- OUT_RING(ring, submit->fence);
+ OUT_RING(ring, submit->fence->seqno);
/* we could maybe be clever and only CP_COND_EXEC the interrupt: */
OUT_PKT3(ring, CP_INTERRUPT, 1);
diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c
index 7fc719d..5f6fc19 100644
--- a/drivers/gpu/drm/msm/msm_atomic.c
+++ b/drivers/gpu/drm/msm/msm_atomic.c
@@ -107,27 +107,6 @@ static void msm_atomic_wait_for_commit_done(struct drm_device *dev,
}
}
-static void wait_fences(struct msm_commit *c, bool async)
-{
- int nplanes = c->dev->mode_config.num_total_plane;
- ktime_t timeout = ktime_add_ms(ktime_get(), 1000);
- int i;
-
- for (i = 0; i < nplanes; i++) {
- struct drm_plane *plane = c->state->planes[i];
- struct drm_plane_state *new_state = c->state->plane_states[i];
-
- if (!plane)
- continue;
-
- if ((plane->state->fb != new_state->fb) && new_state->fb) {
- struct drm_gem_object *obj =
- msm_framebuffer_bo(new_state->fb, 0);
- msm_gem_cpu_sync(obj, MSM_PREP_READ, &timeout);
- }
- }
-}
-
/* The (potentially) asynchronous part of the commit. At this point
* nothing can fail short of armageddon.
*/
@@ -138,7 +117,7 @@ static void complete_commit(struct msm_commit *c, bool async)
struct msm_drm_private *priv = dev->dev_private;
struct msm_kms *kms = priv->kms;
- wait_fences(c, async);
+ drm_atomic_helper_wait_for_fences(dev, state);
kms->funcs->prepare_commit(kms, state);
@@ -214,6 +193,7 @@ int msm_atomic_commit(struct drm_device *dev,
struct drm_atomic_state *state, bool async)
{
struct msm_drm_private *priv = dev->dev_private;
+ int nplanes = dev->mode_config.num_total_plane;
int ncrtcs = dev->mode_config.num_crtc;
struct msm_commit *c;
int i, ret;
@@ -239,6 +219,24 @@ int msm_atomic_commit(struct drm_device *dev,
}
/*
+ * Figure out what fence to wait for:
+ */
+ for (i = 0; i < nplanes; i++) {
+ struct drm_plane *plane = state->planes[i];
+ struct drm_plane_state *new_state = state->plane_states[i];
+
+ if (!plane)
+ continue;
+
+ if ((plane->state->fb != new_state->fb) && new_state->fb) {
+ struct drm_gem_object *obj = msm_framebuffer_bo(new_state->fb, 0);
+ struct msm_gem_object *msm_obj = to_msm_bo(obj);
+
+ new_state->fence = reservation_object_get_excl_unlocked(msm_obj->resv);
+ }
+ }
+
+ /*
* Wait for pending updates on any of the same crtc's and then
* mark our set of crtc's as busy:
*/
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index 6194450..1ad6c79 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -192,10 +192,11 @@ void *msm_gem_vaddr_locked(struct drm_gem_object *obj);
void *msm_gem_vaddr(struct drm_gem_object *obj);
int msm_gem_queue_inactive_cb(struct drm_gem_object *obj,
struct msm_fence_cb *cb);
+int msm_gem_sync_object(struct drm_gem_object *obj,
+ struct msm_fence_context *fctx, bool exclusive);
void msm_gem_move_to_active(struct drm_gem_object *obj,
- struct msm_gpu *gpu, bool write, uint32_t fence);
+ struct msm_gpu *gpu, bool exclusive, struct fence *fence);
void msm_gem_move_to_inactive(struct drm_gem_object *obj);
-int msm_gem_cpu_sync(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout);
int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout);
int msm_gem_cpu_fini(struct drm_gem_object *obj);
void msm_gem_free_object(struct drm_gem_object *obj);
diff --git a/drivers/gpu/drm/msm/msm_fence.c b/drivers/gpu/drm/msm/msm_fence.c
index 088610c..a9b9b1c 100644
--- a/drivers/gpu/drm/msm/msm_fence.c
+++ b/drivers/gpu/drm/msm/msm_fence.c
@@ -32,7 +32,9 @@ msm_fence_context_alloc(struct drm_device *dev, const char *name)
fctx->dev = dev;
fctx->name = name;
+ fctx->context = fence_context_alloc(1);
init_waitqueue_head(&fctx->event);
+ spin_lock_init(&fctx->spinlock);
return fctx;
}
@@ -47,6 +49,7 @@ static inline bool fence_completed(struct msm_fence_context *fctx, uint32_t fenc
return (int32_t)(fctx->completed_fence - fence) >= 0;
}
+/* legacy path for WAIT_FENCE ioctl: */
int msm_wait_fence(struct msm_fence_context *fctx, uint32_t fence,
ktime_t *timeout, bool interruptible)
{
@@ -88,9 +91,73 @@ int msm_wait_fence(struct msm_fence_context *fctx, uint32_t fence,
/* called from workqueue */
void msm_update_fence(struct msm_fence_context *fctx, uint32_t fence)
{
- mutex_lock(&fctx->dev->struct_mutex);
+ spin_lock(&fctx->spinlock);
fctx->completed_fence = max(fence, fctx->completed_fence);
- mutex_unlock(&fctx->dev->struct_mutex);
+ spin_unlock(&fctx->spinlock);
wake_up_all(&fctx->event);
}
+
+struct msm_fence {
+ struct msm_fence_context *fctx;
+ struct fence base;
+};
+
+static inline struct msm_fence *to_msm_fence(struct fence *fence)
+{
+ return container_of(fence, struct msm_fence, base);
+}
+
+static const char *msm_fence_get_driver_name(struct fence *fence)
+{
+ return "msm";
+}
+
+static const char *msm_fence_get_timeline_name(struct fence *fence)
+{
+ struct msm_fence *f = to_msm_fence(fence);
+ return f->fctx->name;
+}
+
+static bool msm_fence_enable_signaling(struct fence *fence)
+{
+ return true;
+}
+
+static bool msm_fence_signaled(struct fence *fence)
+{
+ struct msm_fence *f = to_msm_fence(fence);
+ return fence_completed(f->fctx, f->base.seqno);
+}
+
+static void msm_fence_release(struct fence *fence)
+{
+ struct msm_fence *f = to_msm_fence(fence);
+ kfree_rcu(f, base.rcu);
+}
+
+static const struct fence_ops msm_fence_ops = {
+ .get_driver_name = msm_fence_get_driver_name,
+ .get_timeline_name = msm_fence_get_timeline_name,
+ .enable_signaling = msm_fence_enable_signaling,
+ .signaled = msm_fence_signaled,
+ .wait = fence_default_wait,
+ .release = msm_fence_release,
+};
+
+struct fence *
+msm_fence_alloc(struct msm_fence_context *fctx)
+{
+ struct msm_fence *f;
+
+ f = kzalloc(sizeof(*f), GFP_KERNEL);
+ if (!f)
+ return ERR_PTR(-ENOMEM);
+
+ f->fctx = fctx;
+
+ fence_init(&f->base, &msm_fence_ops, &fctx->spinlock,
+ fctx->context, ++fctx->last_fence);
+
+ return &f->base;
+}
diff --git a/drivers/gpu/drm/msm/msm_fence.h b/drivers/gpu/drm/msm/msm_fence.h
index 2820781..ceb5b3d 100644
--- a/drivers/gpu/drm/msm/msm_fence.h
+++ b/drivers/gpu/drm/msm/msm_fence.h
@@ -23,10 +23,12 @@
struct msm_fence_context {
struct drm_device *dev;
const char *name;
+ unsigned context;
/* last_fence == completed_fence --> no pending work */
uint32_t last_fence; /* last assigned fence */
uint32_t completed_fence; /* last completed fence */
wait_queue_head_t event;
+ spinlock_t spinlock;
};
struct msm_fence_context * msm_fence_context_alloc(struct drm_device *dev,
@@ -39,4 +41,6 @@ int msm_queue_fence_cb(struct msm_fence_context *fctx,
struct msm_fence_cb *cb, uint32_t fence);
void msm_update_fence(struct msm_fence_context *fctx, uint32_t fence);
+struct fence * msm_fence_alloc(struct msm_fence_context *fctx);
+
#endif
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 1aabc41..00b718e 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -423,15 +423,62 @@ int msm_gem_queue_inactive_cb(struct drm_gem_object *obj,
return msm_queue_fence_cb(obj->dev, cb, fence);
}
+/* must be called before _move_to_active().. */
+int msm_gem_sync_object(struct drm_gem_object *obj,
+ struct msm_fence_context *fctx, bool exclusive)
+{
+ struct msm_gem_object *msm_obj = to_msm_bo(obj);
+ struct reservation_object_list *fobj;
+ struct fence *fence;
+ int i, ret;
+
+ if (!exclusive) {
+ /* NOTE: _reserve_shared() must happen before _add_shared_fence(),
+ * which makes this a slightly strange place to call it. OTOH this
+ * is a convenient can-fail point to hook it in. (And similar to
+ * how etnaviv and nouveau handle this.)
+ */
+ ret = reservation_object_reserve_shared(msm_obj->resv);
+ if (ret)
+ return ret;
+ }
+
+ fobj = reservation_object_get_list(msm_obj->resv);
+ if (!fobj || (fobj->shared_count == 0)) {
+ fence = reservation_object_get_excl(msm_obj->resv);
+ /* don't need to wait on our own fences, since ring is fifo */
+ if (fence && (fence->context != fctx->context)) {
+ ret = fence_wait(fence, true);
+ if (ret)
+ return ret;
+ }
+ }
+
+ if (!exclusive || !fobj)
+ return 0;
+
+ for (i = 0; i < fobj->shared_count; i++) {
+ fence = rcu_dereference_protected(fobj->shared[i],
+ reservation_object_held(msm_obj->resv));
+ if (fence->context != fctx->context) {
+ ret = fence_wait(fence, true);
+ if (ret)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
void msm_gem_move_to_active(struct drm_gem_object *obj,
- struct msm_gpu *gpu, bool write, uint32_t fence)
+ struct msm_gpu *gpu, bool exclusive, struct fence *fence)
{
struct msm_gem_object *msm_obj = to_msm_bo(obj);
msm_obj->gpu = gpu;
- if (write)
- msm_obj->write_fence = fence;
+ if (exclusive)
+ reservation_object_add_excl_fence(msm_obj->resv, fence);
else
- msm_obj->read_fence = fence;
+ reservation_object_add_shared_fence(msm_obj->resv, fence);
list_del_init(&msm_obj->mm_list);
list_add_tail(&msm_obj->mm_list, &gpu->active_list);
}
@@ -445,39 +492,30 @@ void msm_gem_move_to_inactive(struct drm_gem_object *obj)
WARN_ON(!mutex_is_locked(&dev->struct_mutex));
msm_obj->gpu = NULL;
- msm_obj->read_fence = 0;
- msm_obj->write_fence = 0;
list_del_init(&msm_obj->mm_list);
list_add_tail(&msm_obj->mm_list, &priv->inactive_list);
}
-int msm_gem_cpu_sync(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout)
+int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout)
{
- struct drm_device *dev = obj->dev;
- struct msm_drm_private *priv = dev->dev_private;
struct msm_gem_object *msm_obj = to_msm_bo(obj);
- int ret = 0;
-
- if (is_active(msm_obj)) {
- uint32_t fence = msm_gem_fence(msm_obj, op);
+ bool write = !!(op & MSM_PREP_WRITE);
- if (op & MSM_PREP_NOSYNC)
- timeout = NULL;
+ if (op & MSM_PREP_NOSYNC) {
+ if (!reservation_object_test_signaled_rcu(msm_obj->resv, write))
+ return -EBUSY;
+ } else {
+ int ret;
- if (priv->gpu)
- ret = msm_wait_fence(priv->gpu->fctx, fence, timeout, true);
+ ret = reservation_object_wait_timeout_rcu(msm_obj->resv, write,
+ true, timeout_to_jiffies(timeout));
+ if (ret <= 0)
+ return ret == 0 ? -ETIMEDOUT : ret;
}
- return ret;
-}
-
-int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout)
-{
- int ret = msm_gem_cpu_sync(obj, op, timeout);
-
/* TODO cache maintenance */
- return ret;
+ return 0;
}
int msm_gem_cpu_fini(struct drm_gem_object *obj)
@@ -487,18 +525,46 @@ int msm_gem_cpu_fini(struct drm_gem_object *obj)
}
#ifdef CONFIG_DEBUG_FS
+static void describe_fence(struct fence *fence, const char *type,
+ struct seq_file *m)
+{
+ if (!fence_is_signaled(fence))
+ seq_printf(m, "\t%9s: %s %s seq %u\n", type,
+ fence->ops->get_driver_name(fence),
+ fence->ops->get_timeline_name(fence),
+ fence->seqno);
+}
+
void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m)
{
- struct drm_device *dev = obj->dev;
struct msm_gem_object *msm_obj = to_msm_bo(obj);
+ struct reservation_object *robj = msm_obj->resv;
+ struct reservation_object_list *fobj;
+ struct fence *fence;
uint64_t off = drm_vma_node_start(&obj->vma_node);
- WARN_ON(!mutex_is_locked(&dev->struct_mutex));
- seq_printf(m, "%08x: %c(r=%u,w=%u) %2d (%2d) %08llx %p %zu\n",
+ WARN_ON(!mutex_is_locked(&obj->dev->struct_mutex));
+
+ seq_printf(m, "%08x: %c %2d (%2d) %08llx %p %zu\n",
msm_obj->flags, is_active(msm_obj) ? 'A' : 'I',
- msm_obj->read_fence, msm_obj->write_fence,
obj->name, obj->refcount.refcount.counter,
off, msm_obj->vaddr, obj->size);
+
+ rcu_read_lock();
+ fobj = rcu_dereference(robj->fence);
+ if (fobj) {
+ unsigned int i, shared_count = fobj->shared_count;
+
+ for (i = 0; i < shared_count; i++) {
+ fence = rcu_dereference(fobj->shared[i]);
+ describe_fence(fence, "Shared", m);
+ }
+ }
+
+ fence = rcu_dereference(robj->fence_excl);
+ if (fence)
+ describe_fence(fence, "Exclusive", m);
+ rcu_read_unlock();
}
void msm_gem_describe_objects(struct list_head *list, struct seq_file *m)
diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h
index b890451..2771d15 100644
--- a/drivers/gpu/drm/msm/msm_gem.h
+++ b/drivers/gpu/drm/msm/msm_gem.h
@@ -39,7 +39,6 @@ struct msm_gem_object {
*/
struct list_head mm_list;
struct msm_gpu *gpu; /* non-null if active */
- uint32_t read_fence, write_fence;
/* Transiently in the process of submit ioctl, objects associated
* with the submit are on submit->bo_list.. this only lasts for
@@ -73,19 +72,6 @@ static inline bool is_active(struct msm_gem_object *msm_obj)
return msm_obj->gpu != NULL;
}
-static inline uint32_t msm_gem_fence(struct msm_gem_object *msm_obj,
- uint32_t op)
-{
- uint32_t fence = 0;
-
- if (op & MSM_PREP_READ)
- fence = msm_obj->write_fence;
- if (op & MSM_PREP_WRITE)
- fence = max(fence, msm_obj->read_fence);
-
- return fence;
-}
-
#define MAX_CMDS 4
/* Created per submit-ioctl, to track bo's and cmdstream bufs, etc,
@@ -99,7 +85,7 @@ struct msm_gem_submit {
struct list_head node; /* node in gpu submit_list */
struct list_head bo_list;
struct ww_acquire_ctx ticket;
- uint32_t fence;
+ struct fence *fence;
bool valid; /* true if no cmdstream patching needed */
unsigned int nr_cmds;
unsigned int nr_bos;
diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
index b231544..2661a7c 100644
--- a/drivers/gpu/drm/msm/msm_gem_submit.c
+++ b/drivers/gpu/drm/msm/msm_gem_submit.c
@@ -184,6 +184,22 @@ fail:
return ret;
}
+static int submit_fence_sync(struct msm_gem_submit *submit)
+{
+ int i, ret = 0;
+
+ for (i = 0; i < submit->nr_bos; i++) {
+ struct msm_gem_object *msm_obj = submit->bos[i].obj;
+ bool write = submit->bos[i].flags & MSM_SUBMIT_BO_WRITE;
+
+ ret = msm_gem_sync_object(&msm_obj->base, submit->gpu->fctx, write);
+ if (ret)
+ break;
+ }
+
+ return ret;
+}
+
static int submit_pin_objects(struct msm_gem_submit *submit)
{
int i, ret = 0;
@@ -358,6 +374,10 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
if (ret)
goto out;
+ ret = submit_fence_sync(submit);
+ if (ret)
+ goto out;
+
ret = submit_pin_objects(submit);
if (ret)
goto out;
@@ -424,7 +444,7 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
ret = msm_gpu_submit(gpu, submit, ctx);
- args->fence = submit->fence;
+ args->fence = submit->fence->seqno;
out:
submit_cleanup(submit, !!ret);
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index e04bd2f..5db4b57 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -266,22 +266,24 @@ static void inactive_start(struct msm_gpu *gpu)
* Hangcheck detection for locked gpu:
*/
-static void retire_submits(struct msm_gpu *gpu, uint32_t fence);
+static void retire_submits(struct msm_gpu *gpu);
static void recover_worker(struct work_struct *work)
{
struct msm_gpu *gpu = container_of(work, struct msm_gpu, recover_work);
struct drm_device *dev = gpu->dev;
+ uint32_t fence = gpu->funcs->last_fence(gpu);
dev_err(dev->dev, "%s: hangcheck recover!\n", gpu->name);
+ msm_update_fence(gpu->fctx, fence + 1);
+
mutex_lock(&dev->struct_mutex);
if (msm_gpu_active(gpu)) {
struct msm_gem_submit *submit;
- uint32_t fence = gpu->funcs->last_fence(gpu);
/* retire completed submits, plus the one that hung: */
- retire_submits(gpu, fence + 1);
+ retire_submits(gpu);
inactive_cancel(gpu);
gpu->funcs->recover(gpu);
@@ -444,11 +446,12 @@ static void retire_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
drm_gem_object_unreference(&msm_obj->base);
}
+ fence_put(submit->fence);
list_del(&submit->node);
kfree(submit);
}
-static void retire_submits(struct msm_gpu *gpu, uint32_t fence)
+static void retire_submits(struct msm_gpu *gpu)
{
struct drm_device *dev = gpu->dev;
@@ -460,7 +463,7 @@ static void retire_submits(struct msm_gpu *gpu, uint32_t fence)
submit = list_first_entry(&gpu->submit_list,
struct msm_gem_submit, node);
- if (submit->fence <= fence) {
+ if (fence_is_signaled(submit->fence)) {
retire_submit(gpu, submit);
} else {
break;
@@ -477,7 +480,7 @@ static void retire_worker(struct work_struct *work)
msm_update_fence(gpu->fctx, fence);
mutex_lock(&dev->struct_mutex);
- retire_submits(gpu, fence);
+ retire_submits(gpu);
mutex_unlock(&dev->struct_mutex);
if (!msm_gpu_active(gpu))
@@ -502,7 +505,12 @@ int msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
WARN_ON(!mutex_is_locked(&dev->struct_mutex));
- submit->fence = ++gpu->fctx->last_fence;
+ submit->fence = msm_fence_alloc(gpu->fctx);
+ if (IS_ERR(submit->fence)) {
+ ret = PTR_ERR(submit->fence);
+ submit->fence = NULL;
+ return ret;
+ }
inactive_cancel(gpu);
@@ -526,11 +534,10 @@ int msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
msm_gem_get_iova_locked(&msm_obj->base,
submit->gpu->id, &iova);
- if (submit->bos[i].flags & MSM_SUBMIT_BO_READ)
- msm_gem_move_to_active(&msm_obj->base, gpu, false, submit->fence);
-
if (submit->bos[i].flags & MSM_SUBMIT_BO_WRITE)
msm_gem_move_to_active(&msm_obj->base, gpu, true, submit->fence);
+ else if (submit->bos[i].flags & MSM_SUBMIT_BO_READ)
+ msm_gem_move_to_active(&msm_obj->base, gpu, false, submit->fence);
}
ret = gpu->funcs->submit(gpu, submit, ctx);
diff --git a/drivers/gpu/drm/msm/msm_rd.c b/drivers/gpu/drm/msm/msm_rd.c
index 9a78c48..b48f73a 100644
--- a/drivers/gpu/drm/msm/msm_rd.c
+++ b/drivers/gpu/drm/msm/msm_rd.c
@@ -296,7 +296,7 @@ void msm_rd_dump_submit(struct msm_gem_submit *submit)
n = snprintf(msg, sizeof(msg), "%.*s/%d: fence=%u",
TASK_COMM_LEN, current->comm, task_pid_nr(current),
- submit->fence);
+ submit->fence->seqno);
rd_write_section(rd, RD_CMD, msg, ALIGN(n, 4));
--
2.5.0
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