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From: Alessio Belle <alessio.belle@imgtec.com>
To: Frank Binns <frank.binns@imgtec.com>,
	Matt Coster <matt.coster@imgtec.com>,
	Brajesh Gupta <brajesh.gupta@imgtec.com>,
	"Alexandru Dadu" <alexandru.dadu@imgtec.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
	Sumit Semwal <sumit.semwal@linaro.org>,
	Christian König <christian.koenig@amd.com>,
	Boris Brezillon <boris.brezillon@collabora.com>
Cc: <dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>,
	<linux-media@vger.kernel.org>, <linaro-mm-sig@lists.linaro.org>,
	"Alessio Belle" <alessio.belle@imgtec.com>
Subject: [PATCH 6/8] drm/imagination: Move repeated job fence check to its own function
Date: Mon, 30 Mar 2026 08:56:41 +0100	[thread overview]
Message-ID: <20260330-job-submission-fixes-cleanup-v1-6-7de8c09cef8c@imgtec.com> (raw)
In-Reply-To: <20260330-job-submission-fixes-cleanup-v1-0-7de8c09cef8c@imgtec.com>

This should make the code slightly clearer.

Signed-off-by: Alessio Belle <alessio.belle@imgtec.com>
---
 drivers/gpu/drm/imagination/pvr_queue.c | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/imagination/pvr_queue.c b/drivers/gpu/drm/imagination/pvr_queue.c
index df0a110ed96f..4a49d954562e 100644
--- a/drivers/gpu/drm/imagination/pvr_queue.c
+++ b/drivers/gpu/drm/imagination/pvr_queue.c
@@ -177,6 +177,24 @@ static const struct dma_fence_ops pvr_queue_job_fence_ops = {
 	.release = pvr_queue_fence_release,
 };
 
+/**
+ * pvr_queue_fence_is_ufo_backed() - Check if a dma_fence is backed by a UFO.
+ * @f: The dma_fence to check.
+ *
+ * Return:
+ * * true if the dma_fence is backed by a UFO, or
+ * * false otherwise.
+ */
+static inline bool
+pvr_queue_fence_is_ufo_backed(struct dma_fence *f)
+{
+	/*
+	 * Currently the only dma_fence backed by a UFO object is the job fence,
+	 * e.g. pvr_job::done_fence, wrapped by a pvr_queue_fence object.
+	 */
+	return f && f->ops == &pvr_queue_job_fence_ops;
+}
+
 /**
  * to_pvr_queue_job_fence() - Return a pvr_queue_fence object if the fence is
  * already backed by a UFO.
@@ -194,7 +212,7 @@ to_pvr_queue_job_fence(struct dma_fence *f)
 	if (sched_fence)
 		f = sched_fence->parent;
 
-	if (f && f->ops == &pvr_queue_job_fence_ops)
+	if (pvr_queue_fence_is_ufo_backed(f))
 		return container_of(f, struct pvr_queue_fence, base);
 
 	return NULL;
@@ -915,10 +933,7 @@ bool pvr_queue_fence_is_native(struct dma_fence *f)
 	    sched_fence->sched->ops == &pvr_queue_sched_ops)
 		return true;
 
-	if (f && f->ops == &pvr_queue_job_fence_ops)
-		return true;
-
-	return false;
+	return pvr_queue_fence_is_ufo_backed(f);
 }
 
 /**

-- 
2.43.0


  parent reply	other threads:[~2026-03-30  7:57 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-30  7:56 [PATCH 0/8] drm/imagination: Job submission fixes and cleanup Alessio Belle
2026-03-30  7:56 ` [PATCH 1/8] drm/imagination: Count paired job fence as dependency in prepare_job() Alessio Belle
2026-03-31  7:33   ` Claude review: " Claude Code Review Bot
2026-03-30  7:56 ` [PATCH 2/8] drm/imagination: Fit paired fragment job in the correct CCCB Alessio Belle
2026-03-31  7:33   ` Claude review: " Claude Code Review Bot
2026-03-30  7:56 ` [PATCH 3/8] drm/imagination: Skip check on paired job fence during job submission Alessio Belle
2026-03-31  7:33   ` Claude review: " Claude Code Review Bot
2026-03-30  7:56 ` [PATCH 4/8] drm/imagination: Rename pvr_queue_fence_is_ufo_backed() to reflect usage Alessio Belle
2026-03-31  7:33   ` Claude review: " Claude Code Review Bot
2026-03-30  7:56 ` [PATCH 5/8] drm/imagination: Rename fence returned by pvr_queue_job_arm() Alessio Belle
2026-03-31  7:33   ` Claude review: " Claude Code Review Bot
2026-03-30  7:56 ` Alessio Belle [this message]
2026-03-31  7:33   ` Claude review: drm/imagination: Move repeated job fence check to its own function Claude Code Review Bot
2026-03-30  7:56 ` [PATCH 7/8] drm/imagination: Update check to skip prepare_job() for fragment jobs Alessio Belle
2026-03-31  7:33   ` Claude review: " Claude Code Review Bot
2026-03-30  7:56 ` [PATCH 8/8] drm/imagination: Minor improvements to job submission code documentation Alessio Belle
2026-03-31  7:33   ` Claude review: " Claude Code Review Bot
2026-03-31  7:33 ` Claude review: drm/imagination: Job submission fixes and cleanup Claude Code Review Bot

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