From: Jesse Barnes Date: Fri, 26 Mar 2010 18:07:15 +0000 (+0000) Subject: drm: make sure vblank interrupts are disabled at DPMS time X-Git-Tag: v2.6.34-rc7~6^2~13 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e32ee7fa54e3172e6413cefaaee9222a3f521617;p=platform%2Fkernel%2Flinux-stable.git drm: make sure vblank interrupts are disabled at DPMS time When we call drm_vblank_off() at DPMS off time (to wake any clients so they don't hang) we need to make sure interrupts are actually disabled. If drm_vblank_off() gets called before the vblank usage timer expires, it'll prevent the timer from disabling interrupts since it also clears the vblank_enabled flag for the pipe. Signed-off-by: Jesse Barnes Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index b98384d..99ce7dc 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -475,6 +475,7 @@ void drm_vblank_off(struct drm_device *dev, int crtc) unsigned long irqflags; spin_lock_irqsave(&dev->vbl_lock, irqflags); + dev->driver->disable_vblank(dev, crtc); DRM_WAKEUP(&dev->vbl_queue[crtc]); dev->vblank_enabled[crtc] = 0; dev->last_vblank[crtc] = dev->driver->get_vblank_counter(dev, crtc);