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-rw-r--r--drivers/gpu/drm/vkms/vkms_crtc.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c
index 0443b7deeaef..6164349cdf11 100644
--- a/drivers/gpu/drm/vkms/vkms_crtc.c
+++ b/drivers/gpu/drm/vkms/vkms_crtc.c
@@ -1,5 +1,7 @@
// SPDX-License-Identifier: GPL-2.0+
+#include <linux/dma-fence.h>
+
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_probe_helper.h>
@@ -14,7 +16,9 @@ static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer)
struct drm_crtc *crtc = &output->crtc;
struct vkms_crtc_state *state;
u64 ret_overrun;
- bool ret;
+ bool ret, fence_cookie;
+
+ fence_cookie = dma_fence_begin_signalling();
ret_overrun = hrtimer_forward_now(&output->vblank_hrtimer,
output->period_ns);
@@ -49,6 +53,8 @@ static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer)
DRM_DEBUG_DRIVER("Composer worker already queued\n");
}
+ dma_fence_end_signalling(fence_cookie);
+
return HRTIMER_RESTART;
}