drm: add support for secondary vertical blank interrupt to i915

When the vertical blank interrupt is enabled for both pipes, pipe A is
considered primary and pipe B secondary. When it's only enabled for one pipe,
it's always considered primary for backwards compatibility.

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

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c
index 8e2e6095c4b3..85bcc276f804 100644
--- a/drivers/char/drm/i915_drv.c
+++ b/drivers/char/drm/i915_drv.c
@@ -44,12 +44,14 @@ static struct drm_driver driver = {
          */
         .driver_features =
             DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
-            DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
+            DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL |
+            DRIVER_IRQ_VBL2,
         .load = i915_driver_load,
         .lastclose = i915_driver_lastclose,
         .preclose = i915_driver_preclose,
         .device_is_agp = i915_driver_device_is_agp,
         .vblank_wait = i915_driver_vblank_wait,
+        .vblank_wait2 = i915_driver_vblank_wait2,
         .irq_preinstall = i915_driver_irq_preinstall,
         .irq_postinstall = i915_driver_irq_postinstall,
         .irq_uninstall = i915_driver_irq_uninstall,