drm: add support for secondary vertical blank interrupt to DRM core

Signed-off-by: Dave Airlie <airlied@linux.ie>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index 7690a59ace04..d7135d41a42a 100644
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -97,6 +97,7 @@
 #define DRIVER_IRQ_VBL     0x100
 #define DRIVER_DMA_QUEUE   0x200
 #define DRIVER_FB_DMA      0x400
+#define DRIVER_IRQ_VBL2    0x800
 
 /***********************************************************************/
 /** \name Begin the DRM... */
@@ -562,6 +563,7 @@ struct drm_driver {
         void (*kernel_context_switch_unlock) (struct drm_device * dev,
                                               drm_lock_t *lock);
         int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence);
+        int (*vblank_wait2) (struct drm_device * dev, unsigned int *sequence);
         int (*dri_library_name) (struct drm_device *dev, char *buf);
 
         /**
@@ -708,8 +710,10 @@ typedef struct drm_device {
 
         wait_queue_head_t vbl_queue;    /**< VBLANK wait queue */
         atomic_t vbl_received;
+        atomic_t vbl_received2;         /**< number of secondary VBLANK interrupts */
         spinlock_t vbl_lock;
         drm_vbl_sig_t vbl_sigs;         /**< signal list to send on VBLANK */
+        drm_vbl_sig_t vbl_sigs2;        /**< signals to send on secondary VBLANK */
         unsigned int vbl_pending;
 
         /*@} */