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path: root/drivers/gpu/drm/i915/gem/i915_gem_wait.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_wait.c')
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_wait.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_wait.c b/drivers/gpu/drm/i915/gem/i915_gem_wait.c
index 26ec6579b7cd..8af55cd3e690 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_wait.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_wait.c
@@ -31,11 +31,10 @@ i915_gem_object_wait_fence(struct dma_fence *fence,
}
static long
-i915_gem_object_wait_reservation(struct reservation_object *resv,
+i915_gem_object_wait_reservation(struct dma_resv *resv,
unsigned int flags,
long timeout)
{
- unsigned int seq = __read_seqcount_begin(&resv->seq);
struct dma_fence *excl;
bool prune_fences = false;
@@ -44,7 +43,7 @@ i915_gem_object_wait_reservation(struct reservation_object *resv,
unsigned int count, i;
int ret;
- ret = reservation_object_get_fences_rcu(resv,
+ ret = dma_resv_get_fences_rcu(resv,
&excl, &count, &shared);
if (ret)
return ret;
@@ -73,7 +72,7 @@ i915_gem_object_wait_reservation(struct reservation_object *resv,
*/
prune_fences = count && timeout >= 0;
} else {
- excl = reservation_object_get_excl_rcu(resv);
+ excl = dma_resv_get_excl_rcu(resv);
}
if (excl && timeout >= 0)
@@ -83,15 +82,12 @@ i915_gem_object_wait_reservation(struct reservation_object *resv,
/*
* Opportunistically prune the fences iff we know they have *all* been
- * signaled and that the reservation object has not been changed (i.e.
- * no new fences have been added).
+ * signaled.
*/
- if (prune_fences && !__read_seqcount_retry(&resv->seq, seq)) {
- if (reservation_object_trylock(resv)) {
- if (!__read_seqcount_retry(&resv->seq, seq))
- reservation_object_add_excl_fence(resv, NULL);
- reservation_object_unlock(resv);
- }
+ if (prune_fences && dma_resv_trylock(resv)) {
+ if (dma_resv_test_signaled_rcu(resv, true))
+ dma_resv_add_excl_fence(resv, NULL);
+ dma_resv_unlock(resv);
}
return timeout;
@@ -144,7 +140,7 @@ i915_gem_object_wait_priority(struct drm_i915_gem_object *obj,
unsigned int count, i;
int ret;
- ret = reservation_object_get_fences_rcu(obj->base.resv,
+ ret = dma_resv_get_fences_rcu(obj->base.resv,
&excl, &count, &shared);
if (ret)
return ret;
@@ -156,7 +152,7 @@ i915_gem_object_wait_priority(struct drm_i915_gem_object *obj,
kfree(shared);
} else {
- excl = reservation_object_get_excl_rcu(obj->base.resv);
+ excl = dma_resv_get_excl_rcu(obj->base.resv);
}
if (excl) {