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path: root/drivers/gpu/drm/scheduler/sched_main.c
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Diffstat (limited to 'drivers/gpu/drm/scheduler/sched_main.c')
-rw-r--r--drivers/gpu/drm/scheduler/sched_main.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index 78c959eaef0c..8c183639603e 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -53,6 +53,7 @@
#include <drm/drm_print.h>
#include <drm/drm_gem.h>
+#include <drm/drm_syncobj.h>
#include <drm/gpu_scheduler.h>
#include <drm/spsc_queue.h>
@@ -720,6 +721,34 @@ int drm_sched_job_add_dependency(struct drm_sched_job *job,
EXPORT_SYMBOL(drm_sched_job_add_dependency);
/**
+ * drm_sched_job_add_syncobj_dependency - adds a syncobj's fence as a job dependency
+ * @job: scheduler job to add the dependencies to
+ * @file: drm file private pointer
+ * @handle: syncobj handle to lookup
+ * @point: timeline point
+ *
+ * This adds the fence matching the given syncobj to @job.
+ *
+ * Returns:
+ * 0 on success, or an error on failing to expand the array.
+ */
+int drm_sched_job_add_syncobj_dependency(struct drm_sched_job *job,
+ struct drm_file *file,
+ u32 handle,
+ u32 point)
+{
+ struct dma_fence *fence;
+ int ret;
+
+ ret = drm_syncobj_find_fence(file, handle, point, 0, &fence);
+ if (ret)
+ return ret;
+
+ return drm_sched_job_add_dependency(job, fence);
+}
+EXPORT_SYMBOL(drm_sched_job_add_syncobj_dependency);
+
+/**
* drm_sched_job_add_resv_dependencies - add all fences from the resv to the job
* @job: scheduler job to add the dependencies to
* @resv: the dma_resv object to get the fences from
@@ -1014,7 +1043,7 @@ static int drm_sched_main(void *param)
drm_sched_fence_scheduled(s_fence);
if (!IS_ERR_OR_NULL(fence)) {
- s_fence->parent = dma_fence_get(fence);
+ drm_sched_fence_set_parent(s_fence, fence);
/* Drop for original kref_init of the fence */
dma_fence_put(fence);