genode/repos/dde_linux/patches/i915_irq.patch

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intel_fb: avoid pagefault in fliphandler
--- src/linux/drivers/gpu/drm/i915/display/intel_display_irq.c
+++ src/linux/drivers/gpu/drm/i915/display/intel_display_irq.c
@@ -349,7 +349,8 @@ static void flip_done_handler(struct drm_i915_private *i915,
crtc_state->event = NULL;
- drm_crtc_send_vblank_event(&crtc->base, e);
+ if (e)
+ drm_crtc_send_vblank_event(&crtc->base, e);
spin_unlock_irqrestore(&dev->event_lock, irqflags);
}