drm_send_vblank_event() demands that we hold the event spinlock whilst
calling it, so do so.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e2c7e3941465..4642a0e6f20c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9981,8 +9981,11 @@ free_work:
if (ret == -EIO) {
intel_crtc_wait_for_pending_flips(crtc);
ret = intel_pipe_set_base(crtc, crtc->x, crtc->y, fb);
- if (ret == 0 && event)
+ if (ret == 0 && event) {
+ spin_lock_irqsave(&dev->event_lock, flags);
drm_send_vblank_event(dev, pipe, event);
+ spin_lock_irqsave(&dev->event_lock, flags);
+ }
}
return ret;
}
--
2.1.0
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