On Tue, 2015-11-24 at 11:29 +0100, Maarten Lankhorst wrote: > This fixes a warning when the crtc is turned off. In that case fb > will be NULL, and crtc_clock will be 0. Because the crtc is no longer > active this is not a bug, and shouldn't trigger the WARN_ON. > > Also remove handling a null crtc_state, with all transitional helpers > gone this can no longer happen. > Reviewed-by: Mika Kahola <mika.kah...@intel.com> > Signed-off-by: Maarten Lankhorst <maarten.lankho...@linux.intel.com> > --- > drivers/gpu/drm/i915/intel_display.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/intel_display.c > b/drivers/gpu/drm/i915/intel_display.c > index 764eeb05492d..351ecb69e5eb 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -13693,7 +13693,7 @@ skl_max_scale(struct intel_crtc *intel_crtc, struct > intel_crtc_state *crtc_state > struct drm_i915_private *dev_priv; > int crtc_clock, cdclk; > > - if (!intel_crtc || !crtc_state) > + if (!intel_crtc || !crtc_state->base.enable) > return DRM_PLANE_HELPER_NO_SCALING; > > dev = intel_crtc->base.dev;
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