Messages in this thread Patch in this message | | | Date | Wed, 6 Feb 2019 18:08:13 -0200 | From | Shayenne Moura <> | Subject | [PATCH] drm/vkms: WARN when hrtimer_forward_now fails |
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Make the variable have the same type of function hrtimer_forward_now return.
Add a warn to verify the hrtimer_forward_now return.
Signed-off-by: Shayenne Moura <shayenneluzmoura@gmail.com> --- drivers/gpu/drm/vkms/vkms_crtc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c index 5a095610726b..734a3e197df8 100644 --- a/drivers/gpu/drm/vkms/vkms_crtc.c +++ b/drivers/gpu/drm/vkms/vkms_crtc.c @@ -16,7 +16,7 @@ static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer) vblank_hrtimer); struct drm_crtc *crtc = &output->crtc; struct vkms_crtc_state *state = to_vkms_crtc_state(crtc->state); - int ret_overrun; + u64 ret_overrun; bool ret; spin_lock(&output->lock); @@ -43,6 +43,8 @@ static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer) ret_overrun = hrtimer_forward_now(&output->vblank_hrtimer, output->period_ns); + WARN_ON(ret_overrun != 1); + spin_unlock(&output->lock); return HRTIMER_RESTART; -- 2.17.1
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