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Commit 7fded557 authored by james qian wang (Arm Technology China)'s avatar james qian wang (Arm Technology China) Committed by Liviu Dudau
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drm/komeda: Attach scaler to drm as private object 



According to the komeda pipeline configuration, attach scaler to drm as
private object.

v2: Rebase

Signed-off-by: default avatarJames Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: default avatarLiviu Dudau <liviu.dudau@arm.com>
parent 65ad2392

drivers/gpu/drm/arm/display/komeda/komeda_private_obj.c

+49 −0
Original line number Diff line number Diff line
@@ -60,6 +60,49 @@ static int komeda_layer_obj_add(struct komeda_kms_dev *kms, 
	return 0;

}



static struct drm_private_state *

komeda_scaler_atomic_duplicate_state(struct drm_private_obj *obj)

{

	struct komeda_scaler_state *st;



	st = kmemdup(obj->state, sizeof(*st), GFP_KERNEL);

	if (!st)

		return NULL;



	komeda_component_state_reset(&st->base);

	__drm_atomic_helper_private_obj_duplicate_state(obj, &st->base.obj);



	return &st->base.obj;

}



static void

komeda_scaler_atomic_destroy_state(struct drm_private_obj *obj,

				   struct drm_private_state *state)

{

	kfree(to_scaler_st(priv_to_comp_st(state)));

}



static const struct drm_private_state_funcs komeda_scaler_obj_funcs = {

	.atomic_duplicate_state	= komeda_scaler_atomic_duplicate_state,

	.atomic_destroy_state	= komeda_scaler_atomic_destroy_state,

};



static int komeda_scaler_obj_add(struct komeda_kms_dev *kms,

				 struct komeda_scaler *scaler)

{

	struct komeda_scaler_state *st;



	st = kzalloc(sizeof(*st), GFP_KERNEL);

	if (!st)

		return -ENOMEM;



	st->base.component = &scaler->base;

	drm_atomic_private_obj_init(&kms->base,

				    &scaler->base.obj, &st->base.obj,

				    &komeda_scaler_obj_funcs);

	return 0;

}



static struct drm_private_state *

komeda_compiz_atomic_duplicate_state(struct drm_private_obj *obj)

{
@@ -258,6 +301,12 @@ int komeda_kms_add_private_objs(struct komeda_kms_dev *kms, 
				return err;

		}



		for (j = 0; j < pipe->n_scalers; j++) {

			err = komeda_scaler_obj_add(kms, pipe->scalers[j]);

			if (err)

				return err;

		}



		err = komeda_compiz_obj_add(kms, pipe->compiz);

		if (err)

			return err;