/* Valid dotclock? */
if (dotclock > 0) {
+ int frame_size;
/* Convert scanline length in pixels and video dot clock to
* line duration, frame duration and pixel duration in
* nanoseconds:
pixeldur_ns = (s64) div64_u64(1000000000, dotclock);
linedur_ns = (s64) div64_u64(((u64) crtc->hwmode.crtc_htotal *
1000000000), dotclock);
- framedur_ns = (s64) crtc->hwmode.crtc_vtotal * linedur_ns;
+ frame_size = crtc->hwmode.crtc_htotal *
+ crtc->hwmode.crtc_vtotal;
+ framedur_ns = (s64) div64_u64((u64) frame_size * 1000000000,
+ dotclock);
} else
DRM_ERROR("crtc %d: Can't calculate constants, dotclock = 0!\n",
crtc->base.id);
now = get_drm_timestamp();
}
+ e->pipe = crtc;
send_vblank_event(dev, e, seq, &now);
}
EXPORT_SYMBOL(drm_send_vblank_event);
int ret;
unsigned int flags, seq, crtc, high_crtc;
- if ((!drm_dev_to_irq(dev)) || (!dev->irq_enabled))
- return -EINVAL;
+ if (drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
+ if ((!drm_dev_to_irq(dev)) || (!dev->irq_enabled))
+ return -EINVAL;
if (vblwait->request.type & _DRM_VBLANK_SIGNAL)
return -EINVAL;