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path: root/drivers/gpu/drm/drm_vblank.c
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Diffstat (limited to 'drivers/gpu/drm/drm_vblank.c')
-rw-r--r--drivers/gpu/drm/drm_vblank.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c
index 603ab105125d..fd1fbc77871f 100644
--- a/drivers/gpu/drm/drm_vblank.c
+++ b/drivers/gpu/drm/drm_vblank.c
@@ -31,7 +31,6 @@
#include <drm/drm_drv.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_print.h>
-#include <drm/drm_os_linux.h>
#include <drm/drm_vblank.h>
#include "drm_internal.h"
@@ -1670,12 +1669,28 @@ int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
}
if (req_seq != seq) {
+ int wait;
+
DRM_DEBUG("waiting on vblank count %llu, crtc %u\n",
req_seq, pipe);
- DRM_WAIT_ON(ret, vblank->queue, 3 * HZ,
- vblank_passed(drm_vblank_count(dev, pipe),
- req_seq) ||
- !READ_ONCE(vblank->enabled));
+ wait = wait_event_interruptible_timeout(vblank->queue,
+ vblank_passed(drm_vblank_count(dev, pipe), req_seq) ||
+ !READ_ONCE(vblank->enabled),
+ msecs_to_jiffies(3000));
+
+ switch (wait) {
+ case 0:
+ /* timeout */
+ ret = -EBUSY;
+ break;
+ case -ERESTARTSYS:
+ /* interrupted by signal */
+ ret = -EINTR;
+ break;
+ default:
+ ret = 0;
+ break;
+ }
}
if (ret != -EINTR) {