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path: root/drivers/gpu/drm/drm_irq.c
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Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
-rw-r--r--drivers/gpu/drm/drm_irq.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 96d03ac38ef7..bfc4b379f0b5 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -805,10 +805,7 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
/* Subtract time delta from raw timestamp to get final
* vblank_time timestamp for end of vblank.
*/
- if (delta_ns < 0)
- etime = ktime_add_ns(etime, -delta_ns);
- else
- etime = ktime_sub_ns(etime, delta_ns);
+ etime = ktime_sub_ns(etime, delta_ns);
*vblank_time = ktime_to_timeval(etime);
DRM_DEBUG_VBL("crtc %u : v 0x%x p(%d,%d)@ %ld.%ld -> %ld.%ld [e %d us, %d rep]\n",