[PATCH 4/8] drm/imagination: Rename pvr_queue_fence_is_ufo_backed() to reflect usage

Alessio Belle
2026-03-30T07:57:35Z

This function is only used by the synchronization code to figure out if
a fence belongs to this driver.
Rename it to pvr_queue_fence_is_native() and update its documentation to
reflect its current purpose.

Signed-off-by: Alessio Belle <alessio.belle@imgtec.com>
---
drivers/gpu/drm/imagination/pvr_queue.c | 14 +++++++-------
drivers/gpu/drm/imagination/pvr_queue.h | 2 +-
drivers/gpu/drm/imagination/pvr_sync.c | 4 ++--
3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/imagination/pvr_queue.c b/drivers/gpu/drm/imagination/pvr_queue.c
index 527eae1309d8..df0a110ed96f 100644
--- a/drivers/gpu/drm/imagination/pvr_queue.c
+++ b/drivers/gpu/drm/imagination/pvr_queue.c
@@ -898,16 +898,16 @@ static const struct drm_sched_backend_ops pvr_queue_sched_ops = {
};

/**
- * pvr_queue_fence_is_ufo_backed() - Check if a dma_fence is backed by a UFO object
+ * pvr_queue_fence_is_native() - Check if a dma_fence is native to this driver.
* @f: Fence to test.
*
- * A UFO-backed fence is a fence that can be signaled or waited upon FW-side.
- * pvr_job::done_fence objects are backed by the timeline UFO attached to the queue
- * they are pushed to, but those fences are not directly exposed to the outside
- * world, so we also need to check if the fence we're being passed is a
- * drm_sched_fence that was coming from our driver.
+ * Check if the fence we're being passed is a drm_sched_fence that is coming from this driver.
+ *
+ * It may be a UFO-backed fence i.e. a fence that can be signaled or waited upon FW-side,
+ * such as pvr_job::done_fence objects that are backed by the timeline UFO attached to the queue
+ * they are pushed to.
*/
-bool pvr_queue_fence_is_ufo_backed(struct dma_fence *f)
+bool pvr_queue_fence_is_native(struct dma_fence *f)
{
struct drm_sched_fence *sched_fence = f ? to_drm_sched_fence(f) : NULL;

diff --git a/drivers/gpu/drm/imagination/pvr_queue.h b/drivers/gpu/drm/imagination/pvr_queue.h
index fc1986d73fc8..4aa72665ce25 100644
--- a/drivers/gpu/drm/imagination/pvr_queue.h
+++ b/drivers/gpu/drm/imagination/pvr_queue.h
@@ -141,7 +141,7 @@ struct pvr_queue {
u64 callstack_addr;
};

-bool pvr_queue_fence_is_ufo_backed(struct dma_fence *f);
+bool pvr_queue_fence_is_native(struct dma_fence *f);

int pvr_queue_job_init(struct pvr_job *job, u64 drm_client_id);

diff --git a/drivers/gpu/drm/imagination/pvr_sync.c b/drivers/gpu/drm/imagination/pvr_sync.c
index 3582616ff722..757a18b1ab8f 100644
--- a/drivers/gpu/drm/imagination/pvr_sync.c
+++ b/drivers/gpu/drm/imagination/pvr_sync.c
@@ -211,7 +211,7 @@ pvr_sync_add_dep_to_job(struct drm_sched_job *job, struct dma_fence *f)
int err = 0;

dma_fence_unwrap_for_each(uf, &iter, f) {
- if (pvr_queue_fence_is_ufo_backed(uf))
+ if (pvr_queue_fence_is_native(uf))
native_fence_count++;
}

@@ -227,7 +227,7 @@ pvr_sync_add_dep_to_job(struct drm_sched_job *job, struct dma_fence *f)
if (err)
continue;

- if (pvr_queue_fence_is_ufo_backed(uf)) {
+ if (pvr_queue_fence_is_native(uf)) {
struct drm_sched_fence *s_fence = to_drm_sched_fence(uf);

/* If this is a native dependency, we wait for the scheduled fence,

--
2.43.0