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Commit a91572f3 authored by Ander Conselvan de Oliveira's avatar Ander Conselvan de Oliveira Committed by Daniel Vetter
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drm/i915: Set crtc backpointer when duplicating crtc state 



In the path were there is no state to duplicate, the allocated crtc
state wouldn't have the crtc backpointer initialized.

Signed-off-by: default avatarAnder Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 17fe1021

drivers/gpu/drm/i915/intel_atomic.c

+9 −3
Original line number Diff line number Diff line
@@ -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;

}



/**