From 92cc68e35863c1c61c449efa2b2daef6e9926048 Mon Sep 17 00:00:00 2001 From: Lyude Paul Date: Mon, 20 Jul 2020 15:07:33 -0400 Subject: [PATCH] drm/vblank: Use spin_(un)lock_irq() in drm_crtc_vblank_on() This is only called from: * Atomic modesetting hooks * Module probing routines * Legacy modesetting hooks All of which have IRQs enabled, so we can also get rid of irqsave/restore here to make the IRQ context of this function more obvious. Signed-off-by: Lyude Paul Cc: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20200720190736.180297-3-lyude@redhat.com Reviewed-by: Daniel Vetter --- drivers/gpu/drm/drm_vblank.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c index 6af78aecea9d..9891e82939e3 100644 --- a/drivers/gpu/drm/drm_vblank.c +++ b/drivers/gpu/drm/drm_vblank.c @@ -1428,12 +1428,11 @@ void drm_crtc_vblank_on(struct drm_crtc *crtc) struct drm_device *dev = crtc->dev; unsigned int pipe = drm_crtc_index(crtc); struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; - unsigned long irqflags; if (drm_WARN_ON(dev, pipe >= dev->num_crtcs)) return; - spin_lock_irqsave(&dev->vbl_lock, irqflags); + spin_lock_irq(&dev->vbl_lock); drm_dbg_vbl(dev, "crtc %d, vblank enabled %d, inmodeset %d\n", pipe, vblank->enabled, vblank->inmodeset); @@ -1451,7 +1450,7 @@ void drm_crtc_vblank_on(struct drm_crtc *crtc) */ if (atomic_read(&vblank->refcount) != 0 || drm_vblank_offdelay == 0) drm_WARN_ON(dev, drm_vblank_enable(dev, pipe)); - spin_unlock_irqrestore(&dev->vbl_lock, irqflags); + spin_unlock_irq(&dev->vbl_lock); } EXPORT_SYMBOL(drm_crtc_vblank_on); -- 2.11.0