72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
// SPDX-License-Identifier: MIT
|
|
/* Copyright © 2026 Intel Corporation */
|
|
|
|
#include <drm/drm_gem.h>
|
|
#include <drm/intel/display_parent_interface.h>
|
|
|
|
#include "intel_frontbuffer.h"
|
|
#include "xe_frontbuffer.h"
|
|
|
|
struct xe_frontbuffer {
|
|
struct intel_frontbuffer base;
|
|
struct drm_gem_object *obj;
|
|
struct kref ref;
|
|
};
|
|
|
|
static struct intel_frontbuffer *xe_frontbuffer_get(struct drm_gem_object *obj)
|
|
{
|
|
struct xe_frontbuffer *front;
|
|
|
|
front = kmalloc_obj(*front);
|
|
if (!front)
|
|
return NULL;
|
|
|
|
intel_frontbuffer_init(&front->base, obj->dev);
|
|
|
|
kref_init(&front->ref);
|
|
|
|
drm_gem_object_get(obj);
|
|
front->obj = obj;
|
|
|
|
return &front->base;
|
|
}
|
|
|
|
static void xe_frontbuffer_ref(struct intel_frontbuffer *_front)
|
|
{
|
|
struct xe_frontbuffer *front =
|
|
container_of(_front, typeof(*front), base);
|
|
|
|
kref_get(&front->ref);
|
|
}
|
|
|
|
static void frontbuffer_release(struct kref *ref)
|
|
{
|
|
struct xe_frontbuffer *front =
|
|
container_of(ref, typeof(*front), ref);
|
|
|
|
intel_frontbuffer_fini(&front->base);
|
|
|
|
drm_gem_object_put(front->obj);
|
|
|
|
kfree(front);
|
|
}
|
|
|
|
static void xe_frontbuffer_put(struct intel_frontbuffer *_front)
|
|
{
|
|
struct xe_frontbuffer *front =
|
|
container_of(_front, typeof(*front), base);
|
|
|
|
kref_put(&front->ref, frontbuffer_release);
|
|
}
|
|
|
|
static void xe_frontbuffer_flush_for_display(struct intel_frontbuffer *front)
|
|
{
|
|
}
|
|
|
|
const struct intel_display_frontbuffer_interface xe_display_frontbuffer_interface = {
|
|
.get = xe_frontbuffer_get,
|
|
.ref = xe_frontbuffer_ref,
|
|
.put = xe_frontbuffer_put,
|
|
.flush_for_display = xe_frontbuffer_flush_for_display,
|
|
};
|