diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index f5a3c1e25db98c670c243e5dd1f5ebe5141c9ba0..c1ac8ae69541c09cac7b08b4134d70629d9cdcf6 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -13453,7 +13453,7 @@ skl_max_scale(struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state crtc_clock = crtc_state->base.adjusted_mode.crtc_clock; cdclk = to_intel_atomic_state(crtc_state->base.state)->cdclk; - if (!crtc_clock || !cdclk) + if (WARN_ON_ONCE(!crtc_clock || cdclk < crtc_clock)) return DRM_PLANE_HELPER_NO_SCALING; /*