diff options
author | Alex Shi <alex.shi@linaro.org> | 2016-09-20 10:17:00 +0800 |
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committer | Alex Shi <alex.shi@linaro.org> | 2016-09-20 10:17:00 +0800 |
commit | d2d693d1ba7d93ec7c5db8aca2da29a4c91f6782 (patch) | |
tree | 41920dcc166c491e7192eb1e3ba3861dff479abf /drivers/gpu/drm/drm_crtc.c | |
parent | 573787341e57a73bf027c2ea3bdf18dc298ae0a0 (diff) | |
parent | 1d074db69c46d62ce82b331c2080e2fcb710bf4a (diff) |
Merge remote-tracking branch 'lts/linux-4.4.y' into linux-linaro-lsk-v4.4
Conflicts:
set ARM64_WORKAROUND_CAVIUM_27456 to 12 in
arch/arm64/include/asm/cpufeature.h
and add asm/memory.h in arch/arm64/kernel/entry.S
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index dc84003f694e..5e4bb4837bae 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -5231,6 +5231,9 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev, unsigned long flags; int ret = -EINVAL; + if (!drm_core_check_feature(dev, DRIVER_MODESET)) + return -EINVAL; + if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || page_flip->reserved != 0) return -EINVAL; |