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drm/vblank: Use spin_(un)lock_irq() in drm_crtc_queue_sequence_ioctl()

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This is an ioctl callback, so we're guaranteed to have IRQs enabled when
calling this function. Use the plain _irq() variants of spin_(un)lock()
to make this more obvious.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200720190736.180297-6-lyude@redhat.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Lyude Paul 2020-07-20 15:07:36 -04:00
parent 7f07c35fe6
commit 5887a2ad53
1 changed files with 3 additions and 4 deletions
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7
drivers/gpu/drm/drm_vblank.c
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@ -2066,7 +2066,6 @@ int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
u64 seq;
u64 req_seq;
int ret;
unsigned long spin_flags;
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EOPNOTSUPP;
@ -2114,7 +2113,7 @@ int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
e->event.base.length = sizeof(e->event.seq);
e->event.seq.user_data = queue_seq->user_data;
spin_lock_irqsave(&dev->event_lock, spin_flags);
spin_lock_irq(&dev->event_lock);
/*
* drm_crtc_vblank_off() might have been called after we called
@ -2145,11 +2144,11 @@ int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
queue_seq->sequence = req_seq;
}
spin_unlock_irqrestore(&dev->event_lock, spin_flags);
spin_unlock_irq(&dev->event_lock);
return 0;
err_unlock:
spin_unlock_irqrestore(&dev->event_lock, spin_flags);
spin_unlock_irq(&dev->event_lock);
drm_crtc_vblank_put(crtc);
err_free:
kfree(e);