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authorDave Airlie <airlied@redhat.com>2016-04-06 02:39:01 +0300
committerDave Airlie <airlied@redhat.com>2016-04-06 02:39:01 +0300
commite7c8e54440bcae3f883ca8801f6558fe29bf0198 (patch)
tree6dc868df42a0ed9a268eaac960016cb1d9848edc /drivers/gpu/drm/drm_irq.c
parent9735a22799b9214d17d3c231fe377fc852f042e9 (diff)
parent249c4f538b1aae55d41699f8bafc6cb762a7f48f (diff)
downloadlinux-e7c8e54440bcae3f883ca8801f6558fe29bf0198.tar.xz
Merge tag 'topic/drm-misc-2016-04-01' of git://anongit.freedesktop.org/drm-intel into drm-next
* tag 'topic/drm-misc-2016-04-01' of git://anongit.freedesktop.org/drm-intel: drm: Add new DCS commands in the enum list drm: Make uapi headers C89 pendantic compliant drm/atomic: export drm_atomic_helper_wait_for_fences() drm: Untangle __KERNEL__ guards drm: Move DRM_MODE_OBJECT_* to uapi headers drm: align #include directives with libdrm in uapi headers drm: Make drm.h uapi header safe for C++ vgacon: dummy implementation for vgacon_text_force drm/sysfs: Nuke TV/DVI property files drm/ttm: Remove TTM_HAS_AGP drm: bridge/dw-hdmi: Remove pre_enable/post_disable dummy funcs Revert "drm: Don't pass negative delta to ktime_sub_ns()" drm/atmel: Fixup drm_connector_/unplug/unregister/_all drm: Rename drm_connector_unplug_all() to drm_connector_unregister_all() drm: bridge: Make (pre/post) enable/disable callbacks optional
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 881c5a6c180c..3c1a6f18e71c 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -863,10 +863,7 @@ 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",