diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index d45677436170..f32a59493a09 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1079,6 +1079,15 @@ intel_wait_for_vblank(struct drm_device *dev, int pipe) { drm_wait_one_vblank(dev, pipe); } +static inline void +intel_wait_for_vblank_if_active(struct drm_device *dev, int pipe) +{ + const struct intel_crtc *crtc = + to_intel_crtc(intel_get_crtc_for_pipe(dev, pipe)); + + if (crtc->active) + intel_wait_for_vblank(dev, pipe); +} int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp); void vlv_wait_port_ready(struct drm_i915_private *dev_priv, struct intel_digital_port *dport, |