I think it should be a return instead a WARN. Myabe I'm just sleeping yet, but I think the delayed work will execute this even for non HAS_PC8 and warn will always ring on non HSW. But even if I'm sleeping, since it really touch hsw registers wouldn't be safer a return instead of a warn anyway? On Thu, Nov 21, 2013 at 01:47:15PM -0200, Paulo Zanoni wrote: > From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > > We already have some checks and shouldn't be reaching these places on > !HAS_PC8 platforms, but add a WARN, just in case. > > Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_display.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c > index e85d838..5566de5 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -6623,6 +6623,8 @@ void hsw_enable_pc8_work(struct work_struct *__work) > struct drm_device *dev = dev_priv->dev; > uint32_t val; > > + WARN_ON(!HAS_PC8(dev)); > + > if (dev_priv->pc8.enabled) > return; > > @@ -6668,6 +6670,8 @@ static void __hsw_disable_package_c8(struct drm_i915_private *dev_priv) > if (dev_priv->pc8.disable_count != 1) > return; > > + WARN_ON(!HAS_PC8(dev)); > + > cancel_delayed_work_sync(&dev_priv->pc8.enable_work); > if (!dev_priv->pc8.enabled) > return; > -- > 1.8.3.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
