drm: sti: use drm_crtc_vblank_{on/off} instead of drm_vblank_{on/off}

Make sure that vblank is enabled when crtc commit is call.
Replace drm_vblank_off() by drm_crtc_vblank_off()

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/sti/sti_drm_crtc.c b/drivers/gpu/drm/sti/sti_drm_crtc.c
index 19e20fcf9f0d..534cd2c810ec 100644
--- a/drivers/gpu/drm/sti/sti_drm_crtc.c
+++ b/drivers/gpu/drm/sti/sti_drm_crtc.c
@@ -64,6 +64,8 @@ static void sti_drm_crtc_commit(struct drm_crtc *crtc)
         /* Enable layer on mixer */
         if (sti_mixer_set_layer_status(mixer, layer, true))
                 DRM_ERROR("Can not enable layer at mixer\n");
+
+        drm_crtc_vblank_on(crtc);
 }
 
 static bool sti_drm_crtc_mode_fixup(struct drm_crtc *crtc,
@@ -224,7 +226,7 @@ static void sti_drm_crtc_disable(struct drm_crtc *crtc)
         /* Then disable layer itself */
         sti_layer_disable(layer);
 
-        drm_vblank_off(crtc->dev, mixer->id);
+        drm_crtc_vblank_off(crtc);
 
         /* Disable pixel clock and compo IP clocks */
         if (mixer->id == STI_MIXER_MAIN) {