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// SPDX-License-Identifier: GPL-2.0
/*
* (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
* Author: James.Qian.Wang <james.qian.wang@arm.com>
*
*/
#include "komeda_dev.h"
#include "komeda_kms.h"
static struct drm_private_state *
komeda_pipeline_atomic_duplicate_state(struct drm_private_obj *obj)
{
struct komeda_pipeline_state *st;
st = kmemdup(obj->state, sizeof(*st), GFP_KERNEL);
if (!st)
return NULL;
st->active_comps = 0;
__drm_atomic_helper_private_obj_duplicate_state(obj, &st->obj);
return &st->obj;
}
static void
komeda_pipeline_atomic_destroy_state(struct drm_private_obj *obj,
struct drm_private_state *state)
{
kfree(priv_to_pipe_st(state));
}
static const struct drm_private_state_funcs komeda_pipeline_obj_funcs = {
.atomic_duplicate_state = komeda_pipeline_atomic_duplicate_state,
.atomic_destroy_state = komeda_pipeline_atomic_destroy_state,
};
static int komeda_pipeline_obj_add(struct komeda_kms_dev *kms,
struct komeda_pipeline *pipe)
{
struct komeda_pipeline_state *st;
st = kzalloc(sizeof(*st), GFP_KERNEL);
if (!st)
return -ENOMEM;
st->pipe = pipe;
drm_atomic_private_obj_init(&kms->base, &pipe->obj, &st->obj,
&komeda_pipeline_obj_funcs);
return 0;
}
int komeda_kms_add_private_objs(struct komeda_kms_dev *kms,
struct komeda_dev *mdev)
{
struct komeda_pipeline *pipe;
int i, err;
for (i = 0; i < mdev->n_pipelines; i++) {
pipe = mdev->pipelines[i];
err = komeda_pipeline_obj_add(kms, pipe);
if (err)
return err;
/* Add component */
}
return 0;
}
void komeda_kms_cleanup_private_objs(struct komeda_dev *mdev)
{
struct komeda_pipeline *pipe;
struct komeda_component *c;
int i, id;
for (i = 0; i < mdev->n_pipelines; i++) {
pipe = mdev->pipelines[i];
dp_for_each_set_bit(id, pipe->avail_comps) {
c = komeda_pipeline_get_component(pipe, id);
drm_atomic_private_obj_fini(&c->obj);
}
drm_atomic_private_obj_fini(&pipe->obj);
}
}
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