All of lore.kernel.org
 help / color / mirror / Atom feed
* [Intel-gfx] [PATCH] drm/i915: Always defer fenced work to the worker
@ 2020-04-14 12:27 Chris Wilson
  2020-04-14 23:51 ` [Intel-gfx] ✗ Fi.CI.DOCS: warning for " Patchwork
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Chris Wilson @ 2020-04-14 12:27 UTC (permalink / raw)
  To: intel-gfx; +Cc: Chris Wilson

Currently, if an error is raised we always call the cleanup locally
[and skip the main work callback]. However, some future users may need
to take a mutex to cleanup and so we cannot immediately execute the
cleanup as we may still be in interrupt context.

With the execute-immediate flag, for most cases this should result in
immediate cleanup of an error.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_sw_fence_work.c | 25 +++++++++++------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_sw_fence_work.c b/drivers/gpu/drm/i915/i915_sw_fence_work.c
index a3a81bb8f2c3..29f63ebc24e8 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence_work.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence_work.c
@@ -16,11 +16,14 @@ static void fence_complete(struct dma_fence_work *f)
 static void fence_work(struct work_struct *work)
 {
 	struct dma_fence_work *f = container_of(work, typeof(*f), work);
-	int err;
 
-	err = f->ops->work(f);
-	if (err)
-		dma_fence_set_error(&f->dma, err);
+	if (!f->dma.error) {
+		int err;
+
+		err = f->ops->work(f);
+		if (err)
+			dma_fence_set_error(&f->dma, err);
+	}
 
 	fence_complete(f);
 	dma_fence_put(&f->dma);
@@ -36,15 +39,11 @@ fence_notify(struct i915_sw_fence *fence, enum i915_sw_fence_notify state)
 		if (fence->error)
 			dma_fence_set_error(&f->dma, fence->error);
 
-		if (!f->dma.error) {
-			dma_fence_get(&f->dma);
-			if (test_bit(DMA_FENCE_WORK_IMM, &f->dma.flags))
-				fence_work(&f->work);
-			else
-				queue_work(system_unbound_wq, &f->work);
-		} else {
-			fence_complete(f);
-		}
+		dma_fence_get(&f->dma);
+		if (test_bit(DMA_FENCE_WORK_IMM, &f->dma.flags))
+			fence_work(&f->work);
+		else
+			queue_work(system_unbound_wq, &f->work);
 		break;
 
 	case FENCE_FREE:
-- 
2.20.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2020-04-15 14:54 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-04-14 12:27 [Intel-gfx] [PATCH] drm/i915: Always defer fenced work to the worker Chris Wilson
2020-04-14 23:51 ` [Intel-gfx] ✗ Fi.CI.DOCS: warning for " Patchwork
2020-04-14 23:58 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2020-04-15 14:54 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.