genode/repos/dde_linux/patches/i915_irq.patch
Alexander Boettcher 01d7c07920 pc/linux: add contrib patches
- intel_fb: avoid pagefault in fliphandler
- usb_host: avoid hang of usb xhci hardware

Fixes #4556
2022-08-10 13:33:00 +02:00

15 lines
458 B
Diff

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index c3816f5..c692ddb 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1337,7 +1337,8 @@ 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);
}