Merge remote branch 'airlied/drm-next' into drm-intel-next

[firefly-linux-kernel-4.4.55.git] / include / drm / drm_crtc.h

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index bfcc60d101dbc816e5549e391f1561b11dcc998a..51d613673b2ed5ed119208f7423bc0c44a5e930f 100644 (file)
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -290,6 +290,7 @@ struct drm_property {
 struct drm_crtc;
 struct drm_connector;
 struct drm_encoder;
+struct drm_pending_vblank_event;
 
 /**
  * drm_crtc_funcs - control CRTCs for a given device
@@ -333,6 +334,19 @@ struct drm_crtc_funcs {
        void (*destroy)(struct drm_crtc *crtc);
 
        int (*set_config)(struct drm_mode_set *set);
+
+       /*
+        * Flip to the given framebuffer.  This implements the page
+        * flip ioctl descibed in drm_mode.h, specifically, the
+        * implementation must return immediately and block all
+        * rendering to the current fb until the flip has completed.
+        * If userspace set the event flag in the ioctl, the event
+        * argument will point to an event to send back when the flip
+        * completes, otherwise it will be NULL.
+        */
+       int (*page_flip)(struct drm_crtc *crtc,
+                        struct drm_framebuffer *fb,
+                        struct drm_pending_vblank_event *event);
 };
 
 /**
@@ -757,6 +771,8 @@ extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
                                    void *data, struct drm_file *file_priv);
 extern bool drm_detect_hdmi_monitor(struct edid *edid);
+extern int drm_mode_page_flip_ioctl(struct drm_device *dev,
+                                   void *data, struct drm_file *file_priv);
 extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
                                int hdisplay, int vdisplay, int vrefresh,
                                bool reduced, bool interlaced, bool margins);