diff options
| author |   Tian Tao <tiantao6@hisilicon.com> | 2021-02-08 10:32:56 +0800 |
|---|---|---|
| committer |   Jyri Sarha <jyri.sarha@iki.fi> | 2021-02-18 18:04:11 +0200 |
| commit | 1b4f3a9846f9e37b71427321cf50ce2e44af330f (patch) | |
| tree | b6063469d90b9e84807a204f3c48b9a94c066040 /drivers/gpu/drm | |
| parent | drm/dp_mst: Tune down the WARN modesetting a port with full_pbn=0 (diff) | |
| download | linux-dev-1b4f3a9846f9e37b71427321cf50ce2e44af330f.tar.xz linux-dev-1b4f3a9846f9e37b71427321cf50ce2e44af330f.zip | |
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')
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 9 |
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) |