diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c index 011b8960fd75baab5fda39d768257625345bde7a..3903b90fb64efa80e1906d3ef1c6b4ad75866092 100644 --- a/drivers/gpu/drm/i915/intel_atomic.c +++ b/drivers/gpu/drm/i915/intel_atomic.c @@ -214,12 +214,18 @@ struct drm_crtc_state * intel_crtc_duplicate_state(struct drm_crtc *crtc) { struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_crtc_state *crtc_state; if (WARN_ON(!intel_crtc->config)) - return kzalloc(sizeof(*intel_crtc->config), GFP_KERNEL); + crtc_state = kzalloc(sizeof(*crtc_state), GFP_KERNEL); + else + crtc_state = kmemdup(intel_crtc->config, + sizeof(*intel_crtc->config), GFP_KERNEL); - return kmemdup(intel_crtc->config, sizeof(*intel_crtc->config), - GFP_KERNEL); + if (crtc_state) + crtc_state->base.crtc = crtc; + + return &crtc_state->base; } /**