Messages in this thread | | | Date | Thu, 2 Apr 2015 09:37:20 -0400 | Subject | Re: [PATCH v2 2/4] drm_vblank_get: don't WARN_ON in case vblanks are not initialized | From | Alex Deucher <> |
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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 > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel
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