drm/radeon/kms: Initialize pageflip spinlocks.

I'm amazed but not really surprised this worked on x86...

Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index a289646e8aa..9ec830c77af 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -110,11 +110,14 @@ void radeon_driver_irq_uninstall_kms(struct drm_device *dev)
 
 int radeon_irq_kms_init(struct radeon_device *rdev)
 {
+        int i;
         int r = 0;
 
         INIT_WORK(&rdev->hotplug_work, radeon_hotplug_work_func);
 
         spin_lock_init(&rdev->irq.sw_lock);
+        for (i = 0; i < rdev->num_crtc; i++)
+                spin_lock_init(&rdev->irq.pflip_lock[i]);
         r = drm_vblank_init(rdev->ddev, rdev->num_crtc);
         if (r) {
                 return r;