Re: [PATCH v2 2/4] drm_vblank_get: don't WARN_ON in case vblanks are not initialized

On Wed, Apr 1, 2015 at 9:15 AM, Gerd Hoffmann kraxel@redhat.com wrote:

Signed-off-by: Gerd Hoffmann kraxel@redhat.com

Reviewed-by: Alex Deucher alexander.deucher@amd.com

---

drivers/gpu/drm/drm_irq.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 10574a0..c631c1a 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -1026,6 +1026,9 @@ int drm_vblank_get(struct drm_device *dev, int crtc) unsigned long irqflags; int ret = 0;

•   if (!dev->num_crtcs)
  

•           return -EINVAL;
  

•   if (WARN_ON(crtc >= dev->num_crtcs))
            return -EINVAL;
  
  

-- 1.8.3.1

---

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