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-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c6
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c17
-rw-r--r--drivers/gpu/drm/i915/i915_vma.c5
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c1
4 files changed, 25 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index d689e511744e..4bd1467c17b1 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -292,6 +292,8 @@ static int per_file_stats(int id, void *ptr, void *data)
struct file_stats *stats = data;
struct i915_vma *vma;
+ lockdep_assert_held(&obj->base.dev->struct_mutex);
+
stats->count++;
stats->total += obj->base.size;
if (!obj->bind_count)
@@ -476,6 +478,8 @@ static int i915_gem_object_info(struct seq_file *m, void *data)
struct drm_i915_gem_request *request;
struct task_struct *task;
+ mutex_lock(&dev->struct_mutex);
+
memset(&stats, 0, sizeof(stats));
stats.file_priv = file->driver_priv;
spin_lock(&file->table_lock);
@@ -487,7 +491,6 @@ static int i915_gem_object_info(struct seq_file *m, void *data)
* still alive (e.g. get_pid(current) => fork() => exit()).
* Therefore, we need to protect this ->comm access using RCU.
*/
- mutex_lock(&dev->struct_mutex);
request = list_first_entry_or_null(&file_priv->mm.request_list,
struct drm_i915_gem_request,
client_link);
@@ -497,6 +500,7 @@ static int i915_gem_object_info(struct seq_file *m, void *data)
PIDTYPE_PID);
print_file_stats(m, task ? task->comm : "<unknown>", stats);
rcu_read_unlock();
+
mutex_unlock(&dev->struct_mutex);
}
mutex_unlock(&dev->filelist_mutex);
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index a3e59c8ef27b..9ad13eeed904 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -546,11 +546,12 @@ repeat:
}
static int
-i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
+i915_gem_execbuffer_relocate_entry(struct i915_vma *vma,
struct eb_vmas *eb,
struct drm_i915_gem_relocation_entry *reloc,
struct reloc_cache *cache)
{
+ struct drm_i915_gem_object *obj = vma->obj;
struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
struct drm_gem_object *target_obj;
struct drm_i915_gem_object *target_i915_obj;
@@ -628,6 +629,16 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
return -EINVAL;
}
+ /*
+ * If we write into the object, we need to force the synchronisation
+ * barrier, either with an asynchronous clflush or if we executed the
+ * patching using the GPU (though that should be serialised by the
+ * timeline). To be completely sure, and since we are required to
+ * do relocations we are already stalling, disable the user's opt
+ * of our synchronisation.
+ */
+ vma->exec_entry->flags &= ~EXEC_OBJECT_ASYNC;
+
ret = relocate_entry(obj, reloc, cache, target_offset);
if (ret)
return ret;
@@ -678,7 +689,7 @@ i915_gem_execbuffer_relocate_vma(struct i915_vma *vma,
do {
u64 offset = r->presumed_offset;
- ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, r, &cache);
+ ret = i915_gem_execbuffer_relocate_entry(vma, eb, r, &cache);
if (ret)
goto out;
@@ -726,7 +737,7 @@ i915_gem_execbuffer_relocate_vma_slow(struct i915_vma *vma,
reloc_cache_init(&cache, eb->i915);
for (i = 0; i < entry->relocation_count; i++) {
- ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, &relocs[i], &cache);
+ ret = i915_gem_execbuffer_relocate_entry(vma, eb, &relocs[i], &cache);
if (ret)
break;
}
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index 1aba47024656..f066e2d785f5 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -650,6 +650,11 @@ int i915_vma_unbind(struct i915_vma *vma)
break;
}
+ if (!ret) {
+ ret = i915_gem_active_retire(&vma->last_fence,
+ &vma->vm->i915->drm.struct_mutex);
+ }
+
__i915_vma_unpin(vma);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
index 13db8a2851ed..1f013d45c9e9 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
@@ -321,6 +321,7 @@ void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man)
list_for_each_entry_safe(entry, next, &man->list, head)
vmw_cmdbuf_res_free(man, entry);
+ drm_ht_remove(&man->resources);
kfree(man);
}