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Fence handler fix

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Thomas Hellstrom 2006-09-18 21:50:00 +02:00
parent ca1b15d645
commit aac918e7c7
1 changed files with 9 additions and 2 deletions
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11
linux-core/drm_fence.c
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@ -31,6 +31,7 @@
#include "drmP.h"
/*
* Typically called by the IRQ handler.
*/
@ -44,14 +45,20 @@ void drm_fence_handler(drm_device_t * dev, uint32_t sequence, uint32_t type)
drm_fence_driver_t *driver = dev->driver->fence_driver;
struct list_head *list, *prev;
drm_fence_object_t *fence;
int found = 0;
if (list_empty(&fm->ring))
return;
list_for_each_entry(fence, &fm->ring, ring) {
diff = (sequence - fence->sequence) & driver->sequence_mask;
if (diff > driver->wrap_diff)
if (diff > driver->wrap_diff) {
found = 1;
break;
}
}
list = fence->ring.prev;
list = (found) ? fence->ring.prev : fm->ring.prev;
prev = list->prev;
for (; list != &fm->ring; list = prev, prev = list->prev) {