diff options
Diffstat (limited to 'drivers/gpu/drm/udl/udl_modeset.c')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_modeset.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index cddc4fcf35cf..dc145d320b25 100644 --- a/drivers/gpu/drm/udl/udl_modeset.c +++ b/drivers/gpu/drm/udl/udl_modeset.c @@ -363,6 +363,26 @@ static void udl_crtc_destroy(struct drm_crtc *crtc) kfree(crtc); } +static int udl_crtc_page_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t page_flip_flags) +{ + struct udl_framebuffer *ufb = to_udl_fb(fb); + struct drm_device *dev = crtc->dev; + unsigned long flags; + + udl_handle_damage(ufb, 0, 0, fb->width, fb->height); + + spin_lock_irqsave(&dev->event_lock, flags); + if (event) + drm_send_vblank_event(dev, 0, event); + spin_unlock_irqrestore(&dev->event_lock, flags); + crtc->primary->fb = fb; + + return 0; +} + static void udl_crtc_prepare(struct drm_crtc *crtc) { } @@ -384,6 +404,7 @@ static struct drm_crtc_helper_funcs udl_helper_funcs = { static const struct drm_crtc_funcs udl_crtc_funcs = { .set_config = drm_crtc_helper_set_config, .destroy = udl_crtc_destroy, + .page_flip = udl_crtc_page_flip, }; static int udl_crtc_init(struct drm_device *dev) |