Date: Fri, 20 Mar 2009 04:53:12 +0000 (UTC) From: Robert Noland <rnoland@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r190125 - head/sys/dev/drm Message-ID: <200903200453.n2K4rCdY086318@svn.freebsd.org>
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Author: rnoland Date: Fri Mar 20 04:53:12 2009 New Revision: 190125 URL: http://svn.freebsd.org/changeset/base/190125 Log: Only issue the wakeup and store the counter if vblank is enabled on the pipe. MFC after: 3 days Modified: head/sys/dev/drm/drm_irq.c Modified: head/sys/dev/drm/drm_irq.c ============================================================================== --- head/sys/dev/drm/drm_irq.c Fri Mar 20 04:49:48 2009 (r190124) +++ head/sys/dev/drm/drm_irq.c Fri Mar 20 04:53:12 2009 (r190125) @@ -210,10 +210,12 @@ int drm_irq_uninstall(struct drm_device */ DRM_SPINLOCK(&dev->vbl_lock); for (crtc = 0; crtc < dev->num_crtcs; crtc++) { - DRM_WAKEUP(&dev->vblank[crtc].queue); - dev->vblank[crtc].enabled = 0; - dev->vblank[crtc].last = - dev->driver->get_vblank_counter(dev, crtc); + if (dev->vblank[crtc].enabled) { + DRM_WAKEUP(&dev->vblank[crtc].queue); + dev->vblank[crtc].enabled = 0; + dev->vblank[crtc].last = + dev->driver->get_vblank_counter(dev, crtc); + } } DRM_SPINUNLOCK(&dev->vbl_lock);
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