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drm/komeda: Attach scaler to drm as private object

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

v2: Rebase

Signed-off-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
This commit is contained in:
james qian wang (Arm Technology China) 2019-05-23 12:09:57 +01:00 committed by Liviu Dudau
parent 65ad2392dd
commit 7fded557c4
1 changed files with 49 additions and 0 deletions
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49
drivers/gpu/drm/arm/display/komeda/komeda_private_obj.c
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@ -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;