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authorTian Tao <tiantao6@hisilicon.com>2021-02-08 05:32:56 +0300
committerJyri Sarha <jyri.sarha@iki.fi>2021-02-18 19:04:11 +0300
commit1b4f3a9846f9e37b71427321cf50ce2e44af330f (patch)
treeb6063469d90b9e84807a204f3c48b9a94c066040 /drivers/gpu/drm/tilcdc
parentf0297cc0fd2bded129ccc1e00528d06362b6075d (diff)
downloadlinux-1b4f3a9846f9e37b71427321cf50ce2e44af330f.tar.xz
drm/tilcdc: replace spin_lock_irqsave by spin_lock in hard IRQ
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 <tiantao6@hisilicon.com> Reviewed-by: Jyri Sarha <jyri.sarha@iki.fi> Tested-by: Jyri Sarha <jyri.sarha@iki.fi> Signed-off-by: Jyri Sarha <jyri.sarha@iki.fi> Link: https://patchwork.freedesktop.org/patch/msgid/1612751576-42512-1-git-send-email-tiantao6@hisilicon.com
Diffstat (limited to 'drivers/gpu/drm/tilcdc')
-rw-r--r--drivers/gpu/drm/tilcdc/tilcdc_crtc.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index d99afd19ca08..783ae9d6781e 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -913,13 +913,12 @@ 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;
@@ -929,21 +928,21 @@ 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)