Thread (2 messages) 2 messages, 2 authors, 2021-02-17

Re: [PATCH v2 02/11] drm/qxl: more fence wait rework

From: Thomas Zimmermann <tzimmermann@suse.de>
Date: 2021-02-17 19:22:35
Also in: dri-devel, lkml


Am 17.02.21 um 13:32 schrieb Gerd Hoffmann:
Move qxl_io_notify_oom() call into wait condition.
That way the driver will call it again if one call
wasn't enough.

Also allows to remove the extra dma_fence_is_signaled()
check and the goto.

Fixes: 5a838e5d5825 ("drm/qxl: simplify qxl_fence_wait")
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
quoted hunk ↗ jump to hunk
---
  drivers/gpu/drm/qxl/qxl_release.c | 8 ++------
  1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c
index 6ed673d75f9f..579c6de10c8e 100644
--- a/drivers/gpu/drm/qxl/qxl_release.c
+++ b/drivers/gpu/drm/qxl/qxl_release.c
@@ -62,16 +62,12 @@ static long qxl_fence_wait(struct dma_fence *fence, bool intr,
  
  	qdev = container_of(fence->lock, struct qxl_device, release_lock);
  
-	if (dma_fence_is_signaled(fence))
-		goto signaled;
-
-	qxl_io_notify_oom(qdev);
  	if (!wait_event_timeout(qdev->release_event,
-				dma_fence_is_signaled(fence),
+				(dma_fence_is_signaled(fence) ||
+				 (qxl_io_notify_oom(qdev), 0)),
  				timeout))
  		return 0;
  
-signaled:
  	cur = jiffies;
  	if (time_after(cur, end))
  		return 0;
-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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