The code has been in a irq-disabled context since it is hard IRQ. There
is no necessity to do it again.
Signed-off-by: Tian Tao <tiant...@hisilicon.com>
---
drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index 3021370..b3e38e9 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -904,13 +904,12 @@ irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc)
tilcdc_clear_irqstatus(dev, stat);
if (stat & LCDC_END_OF_FRAME0) {
- unsigned long flags;
bool skip_event = false;
ktime_t now;
now = ktime_get();
- spin_lock_irqsave(&tilcdc_crtc->irq_lock, flags);
+ spin_lock(&tilcdc_crtc->irq_lock);
tilcdc_crtc->last_vblank = now;
@@ -920,21 +919,21 @@ irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc)
skip_event = true;
}
- spin_unlock_irqrestore(&tilcdc_crtc->irq_lock, flags);
+ spin_unlock(&tilcdc_crtc->irq_lock);
drm_crtc_handle_vblank(crtc);
if (!skip_event) {
struct drm_pending_vblank_event *event;
- spin_lock_irqsave(&dev->event_lock, flags);
+ spin_lock(&dev->event_lock);
event = tilcdc_crtc->event;
tilcdc_crtc->event = NULL;
if (event)
drm_crtc_send_vblank_event(crtc, event);
- spin_unlock_irqrestore(&dev->event_lock, flags);
+ spin_unlock(&dev->event_lock);
}
if (tilcdc_crtc->frame_intact)
--
2.7.4
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