diff options
Diffstat (limited to 'drivers/gpu/drm/xe/display/xe_frontbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/xe/display/xe_frontbuffer.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/display/xe_frontbuffer.c b/drivers/gpu/drm/xe/display/xe_frontbuffer.c new file mode 100644 index 000000000000..113fc017ee94 --- /dev/null +++ b/drivers/gpu/drm/xe/display/xe_frontbuffer.c @@ -0,0 +1,71 @@ +// 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, +}; |
