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-rw-r--r--drivers/gpu/drm/qxl/qxl_release.c50
-rw-r--r--include/linux/dma-fence.h7
2 files changed, 5 insertions, 52 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c
index 9febc8b73f09..368d26da0d6a 100644
--- a/drivers/gpu/drm/qxl/qxl_release.c
+++ b/drivers/gpu/drm/qxl/qxl_release.c
@@ -58,56 +58,16 @@ static long qxl_fence_wait(struct dma_fence *fence, bool intr,
signed long timeout)
{
struct qxl_device *qdev;
- struct qxl_release *release;
- int count = 0, sc = 0;
- bool have_drawable_releases;
unsigned long cur, end = jiffies + timeout;
qdev = container_of(fence->lock, struct qxl_device, release_lock);
- release = container_of(fence, struct qxl_release, base);
- have_drawable_releases = release->type == QXL_RELEASE_DRAWABLE;
-
-retry:
- sc++;
-
- if (dma_fence_is_signaled(fence))
- goto signaled;
-
- qxl_io_notify_oom(qdev);
-
- for (count = 0; count < 11; count++) {
- if (!qxl_queue_garbage_collect(qdev, true))
- break;
-
- if (dma_fence_is_signaled(fence))
- goto signaled;
- }
-
- if (dma_fence_is_signaled(fence))
- goto signaled;
- if (have_drawable_releases || sc < 4) {
- if (sc > 2)
- /* back off */
- usleep_range(500, 1000);
-
- if (time_after(jiffies, end))
- return 0;
-
- if (have_drawable_releases && sc > 300) {
- DMA_FENCE_WARN(fence,
- "failed to wait on release %llu after spincount %d\n",
- fence->context & ~0xf0000000, sc);
- goto signaled;
- }
- goto retry;
- }
- /*
- * yeah, original sync_obj_wait gave up after 3 spins when
- * have_drawable_releases is not set.
- */
+ if (!wait_event_timeout(qdev->release_event,
+ (dma_fence_is_signaled(fence) ||
+ (qxl_io_notify_oom(qdev), 0)),
+ timeout))
+ return 0;
-signaled:
cur = jiffies;
if (time_after(cur, end))
return 0;
diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index fd4a823ce3cd..b3772edca2e6 100644
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -681,11 +681,4 @@ static inline bool dma_fence_is_container(struct dma_fence *fence)
return dma_fence_is_array(fence) || dma_fence_is_chain(fence);
}
-#define DMA_FENCE_WARN(f, fmt, args...) \
- do { \
- struct dma_fence *__ff = (f); \
- pr_warn("f %llu#%llu: " fmt, __ff->context, __ff->seqno,\
- ##args); \
- } while (0)
-
#endif /* __LINUX_DMA_FENCE_H */