2 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4 * Inki Dae <inki.dae@samsung.com>
5 * Joonyoung Shim <jy0922.shim@samsung.com>
6 * Seung-Woo Kim <sw0312.kim@samsung.com>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
14 #include <linux/pm_runtime.h>
16 #include <drm/drm_crtc_helper.h>
18 #include <linux/component.h>
20 #include <drm/exynos_drm.h>
22 #include "exynos_drm_drv.h"
23 #include "exynos_drm_crtc.h"
24 #include "exynos_drm_encoder.h"
25 #include "exynos_drm_fbdev.h"
26 #include "exynos_drm_fb.h"
27 #include "exynos_drm_gem.h"
28 #include "exynos_drm_plane.h"
29 #include "exynos_drm_vidi.h"
30 #include "exynos_drm_dmabuf.h"
31 #include "exynos_drm_g2d.h"
32 #include "exynos_drm_ipp.h"
33 #include "exynos_drm_iommu.h"
35 #define DRIVER_NAME "exynos"
36 #define DRIVER_DESC "Samsung SoC DRM"
37 #define DRIVER_DATE "20110530"
38 #define DRIVER_MAJOR 1
39 #define DRIVER_MINOR 0
41 static struct platform_device
*exynos_drm_pdev
;
43 static DEFINE_MUTEX(drm_component_lock
);
44 static LIST_HEAD(drm_component_list
);
46 struct component_dev
{
47 struct list_head list
;
48 struct device
*crtc_dev
;
49 struct device
*conn_dev
;
50 enum exynos_drm_output_type out_type
;
51 unsigned int dev_type_flag
;
54 static int exynos_drm_load(struct drm_device
*dev
, unsigned long flags
)
56 struct exynos_drm_private
*private;
60 private = kzalloc(sizeof(struct exynos_drm_private
), GFP_KERNEL
);
64 INIT_LIST_HEAD(&private->pageflip_event_list
);
65 dev_set_drvdata(dev
->dev
, dev
);
66 dev
->dev_private
= (void *)private;
69 * create mapping to manage iommu table and set a pointer to iommu
70 * mapping structure to iommu_mapping of private data.
71 * also this iommu_mapping can be used to check if iommu is supported
74 ret
= drm_create_iommu_mapping(dev
);
76 DRM_ERROR("failed to create iommu mapping.\n");
77 goto err_free_private
;
80 drm_mode_config_init(dev
);
82 exynos_drm_mode_config_init(dev
);
84 for (nr
= 0; nr
< MAX_PLANE
; nr
++) {
85 struct drm_plane
*plane
;
86 unsigned long possible_crtcs
= (1 << MAX_CRTC
) - 1;
88 plane
= exynos_plane_init(dev
, possible_crtcs
,
89 DRM_PLANE_TYPE_OVERLAY
);
94 goto err_mode_config_cleanup
;
97 /* setup possible_clones. */
98 exynos_drm_encoder_setup(dev
);
100 platform_set_drvdata(dev
->platformdev
, dev
);
102 /* Try to bind all sub drivers. */
103 ret
= component_bind_all(dev
->dev
, dev
);
105 goto err_mode_config_cleanup
;
107 ret
= drm_vblank_init(dev
, dev
->mode_config
.num_crtc
);
112 * enable drm irq mode.
113 * - with irq_enabled = true, we can use the vblank feature.
115 * P.S. note that we wouldn't use drm irq handler but
116 * just specific driver own one instead because
117 * drm framework supports only one irq handler.
119 dev
->irq_enabled
= true;
122 * with vblank_disable_allowed = true, vblank interrupt will be disabled
123 * by drm timer once a current process gives up ownership of
124 * vblank event.(after drm_vblank_put function is called)
126 dev
->vblank_disable_allowed
= true;
128 /* init kms poll for handling hpd */
129 drm_kms_helper_poll_init(dev
);
131 /* force connectors detection */
132 drm_helper_hpd_irq_event(dev
);
137 component_unbind_all(dev
->dev
, dev
);
138 err_mode_config_cleanup
:
139 drm_mode_config_cleanup(dev
);
140 drm_release_iommu_mapping(dev
);
147 static int exynos_drm_unload(struct drm_device
*dev
)
149 exynos_drm_fbdev_fini(dev
);
150 drm_kms_helper_poll_fini(dev
);
152 drm_vblank_cleanup(dev
);
153 component_unbind_all(dev
->dev
, dev
);
154 drm_mode_config_cleanup(dev
);
155 drm_release_iommu_mapping(dev
);
157 kfree(dev
->dev_private
);
158 dev
->dev_private
= NULL
;
163 static int exynos_drm_suspend(struct drm_device
*dev
, pm_message_t state
)
165 struct drm_connector
*connector
;
167 drm_modeset_lock_all(dev
);
168 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
169 int old_dpms
= connector
->dpms
;
171 if (connector
->funcs
->dpms
)
172 connector
->funcs
->dpms(connector
, DRM_MODE_DPMS_OFF
);
174 /* Set the old mode back to the connector for resume */
175 connector
->dpms
= old_dpms
;
177 drm_modeset_unlock_all(dev
);
182 static int exynos_drm_resume(struct drm_device
*dev
)
184 struct drm_connector
*connector
;
186 drm_modeset_lock_all(dev
);
187 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
188 if (connector
->funcs
->dpms
) {
189 int dpms
= connector
->dpms
;
191 connector
->dpms
= DRM_MODE_DPMS_OFF
;
192 connector
->funcs
->dpms(connector
, dpms
);
195 drm_modeset_unlock_all(dev
);
197 drm_helper_resume_force_mode(dev
);
202 static int exynos_drm_open(struct drm_device
*dev
, struct drm_file
*file
)
204 struct drm_exynos_file_private
*file_priv
;
207 file_priv
= kzalloc(sizeof(*file_priv
), GFP_KERNEL
);
211 file
->driver_priv
= file_priv
;
213 ret
= exynos_drm_subdrv_open(dev
, file
);
215 goto err_file_priv_free
;
221 file
->driver_priv
= NULL
;
225 static void exynos_drm_preclose(struct drm_device
*dev
,
226 struct drm_file
*file
)
228 exynos_drm_subdrv_close(dev
, file
);
231 static void exynos_drm_postclose(struct drm_device
*dev
, struct drm_file
*file
)
233 struct exynos_drm_private
*private = dev
->dev_private
;
234 struct drm_pending_vblank_event
*v
, *vt
;
235 struct drm_pending_event
*e
, *et
;
238 if (!file
->driver_priv
)
241 /* Release all events not unhandled by page flip handler. */
242 spin_lock_irqsave(&dev
->event_lock
, flags
);
243 list_for_each_entry_safe(v
, vt
, &private->pageflip_event_list
,
245 if (v
->base
.file_priv
== file
) {
246 list_del(&v
->base
.link
);
247 drm_vblank_put(dev
, v
->pipe
);
248 v
->base
.destroy(&v
->base
);
252 /* Release all events handled by page flip handler but not freed. */
253 list_for_each_entry_safe(e
, et
, &file
->event_list
, link
) {
257 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
259 kfree(file
->driver_priv
);
260 file
->driver_priv
= NULL
;
263 static void exynos_drm_lastclose(struct drm_device
*dev
)
265 exynos_drm_fbdev_restore_mode(dev
);
268 static const struct vm_operations_struct exynos_drm_gem_vm_ops
= {
269 .fault
= exynos_drm_gem_fault
,
270 .open
= drm_gem_vm_open
,
271 .close
= drm_gem_vm_close
,
274 static const struct drm_ioctl_desc exynos_ioctls
[] = {
275 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE
, exynos_drm_gem_create_ioctl
,
276 DRM_UNLOCKED
| DRM_AUTH
),
277 DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET
,
278 exynos_drm_gem_get_ioctl
, DRM_UNLOCKED
),
279 DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION
,
280 vidi_connection_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
281 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER
,
282 exynos_g2d_get_ver_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
283 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST
,
284 exynos_g2d_set_cmdlist_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
285 DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC
,
286 exynos_g2d_exec_ioctl
, DRM_UNLOCKED
| DRM_AUTH
),
287 DRM_IOCTL_DEF_DRV(EXYNOS_IPP_GET_PROPERTY
,
288 exynos_drm_ipp_get_property
, DRM_UNLOCKED
| DRM_AUTH
),
289 DRM_IOCTL_DEF_DRV(EXYNOS_IPP_SET_PROPERTY
,
290 exynos_drm_ipp_set_property
, DRM_UNLOCKED
| DRM_AUTH
),
291 DRM_IOCTL_DEF_DRV(EXYNOS_IPP_QUEUE_BUF
,
292 exynos_drm_ipp_queue_buf
, DRM_UNLOCKED
| DRM_AUTH
),
293 DRM_IOCTL_DEF_DRV(EXYNOS_IPP_CMD_CTRL
,
294 exynos_drm_ipp_cmd_ctrl
, DRM_UNLOCKED
| DRM_AUTH
),
297 static const struct file_operations exynos_drm_driver_fops
= {
298 .owner
= THIS_MODULE
,
300 .mmap
= exynos_drm_gem_mmap
,
303 .unlocked_ioctl
= drm_ioctl
,
305 .compat_ioctl
= drm_compat_ioctl
,
307 .release
= drm_release
,
310 static struct drm_driver exynos_drm_driver
= {
311 .driver_features
= DRIVER_MODESET
| DRIVER_GEM
| DRIVER_PRIME
,
312 .load
= exynos_drm_load
,
313 .unload
= exynos_drm_unload
,
314 .suspend
= exynos_drm_suspend
,
315 .resume
= exynos_drm_resume
,
316 .open
= exynos_drm_open
,
317 .preclose
= exynos_drm_preclose
,
318 .lastclose
= exynos_drm_lastclose
,
319 .postclose
= exynos_drm_postclose
,
320 .set_busid
= drm_platform_set_busid
,
321 .get_vblank_counter
= drm_vblank_count
,
322 .enable_vblank
= exynos_drm_crtc_enable_vblank
,
323 .disable_vblank
= exynos_drm_crtc_disable_vblank
,
324 .gem_free_object
= exynos_drm_gem_free_object
,
325 .gem_vm_ops
= &exynos_drm_gem_vm_ops
,
326 .dumb_create
= exynos_drm_gem_dumb_create
,
327 .dumb_map_offset
= exynos_drm_gem_dumb_map_offset
,
328 .dumb_destroy
= drm_gem_dumb_destroy
,
329 .prime_handle_to_fd
= drm_gem_prime_handle_to_fd
,
330 .prime_fd_to_handle
= drm_gem_prime_fd_to_handle
,
331 .gem_prime_export
= exynos_dmabuf_prime_export
,
332 .gem_prime_import
= exynos_dmabuf_prime_import
,
333 .ioctls
= exynos_ioctls
,
334 .num_ioctls
= ARRAY_SIZE(exynos_ioctls
),
335 .fops
= &exynos_drm_driver_fops
,
339 .major
= DRIVER_MAJOR
,
340 .minor
= DRIVER_MINOR
,
343 #ifdef CONFIG_PM_SLEEP
344 static int exynos_drm_sys_suspend(struct device
*dev
)
346 struct drm_device
*drm_dev
= dev_get_drvdata(dev
);
347 pm_message_t message
;
349 if (pm_runtime_suspended(dev
) || !drm_dev
)
352 message
.event
= PM_EVENT_SUSPEND
;
353 return exynos_drm_suspend(drm_dev
, message
);
356 static int exynos_drm_sys_resume(struct device
*dev
)
358 struct drm_device
*drm_dev
= dev_get_drvdata(dev
);
360 if (pm_runtime_suspended(dev
) || !drm_dev
)
363 return exynos_drm_resume(drm_dev
);
367 static const struct dev_pm_ops exynos_drm_pm_ops
= {
368 SET_SYSTEM_SLEEP_PM_OPS(exynos_drm_sys_suspend
, exynos_drm_sys_resume
)
371 int exynos_drm_component_add(struct device
*dev
,
372 enum exynos_drm_device_type dev_type
,
373 enum exynos_drm_output_type out_type
)
375 struct component_dev
*cdev
;
377 if (dev_type
!= EXYNOS_DEVICE_TYPE_CRTC
&&
378 dev_type
!= EXYNOS_DEVICE_TYPE_CONNECTOR
) {
379 DRM_ERROR("invalid device type.\n");
383 mutex_lock(&drm_component_lock
);
386 * Make sure to check if there is a component which has two device
387 * objects, for connector and for encoder/connector.
388 * It should make sure that crtc and encoder/connector drivers are
389 * ready before exynos drm core binds them.
391 list_for_each_entry(cdev
, &drm_component_list
, list
) {
392 if (cdev
->out_type
== out_type
) {
394 * If crtc and encoder/connector device objects are
395 * added already just return.
397 if (cdev
->dev_type_flag
== (EXYNOS_DEVICE_TYPE_CRTC
|
398 EXYNOS_DEVICE_TYPE_CONNECTOR
)) {
399 mutex_unlock(&drm_component_lock
);
403 if (dev_type
== EXYNOS_DEVICE_TYPE_CRTC
) {
404 cdev
->crtc_dev
= dev
;
405 cdev
->dev_type_flag
|= dev_type
;
408 if (dev_type
== EXYNOS_DEVICE_TYPE_CONNECTOR
) {
409 cdev
->conn_dev
= dev
;
410 cdev
->dev_type_flag
|= dev_type
;
413 mutex_unlock(&drm_component_lock
);
418 mutex_unlock(&drm_component_lock
);
420 cdev
= kzalloc(sizeof(*cdev
), GFP_KERNEL
);
424 if (dev_type
== EXYNOS_DEVICE_TYPE_CRTC
)
425 cdev
->crtc_dev
= dev
;
426 if (dev_type
== EXYNOS_DEVICE_TYPE_CONNECTOR
)
427 cdev
->conn_dev
= dev
;
429 cdev
->out_type
= out_type
;
430 cdev
->dev_type_flag
= dev_type
;
432 mutex_lock(&drm_component_lock
);
433 list_add_tail(&cdev
->list
, &drm_component_list
);
434 mutex_unlock(&drm_component_lock
);
439 void exynos_drm_component_del(struct device
*dev
,
440 enum exynos_drm_device_type dev_type
)
442 struct component_dev
*cdev
, *next
;
444 mutex_lock(&drm_component_lock
);
446 list_for_each_entry_safe(cdev
, next
, &drm_component_list
, list
) {
447 if (dev_type
== EXYNOS_DEVICE_TYPE_CRTC
) {
448 if (cdev
->crtc_dev
== dev
) {
449 cdev
->crtc_dev
= NULL
;
450 cdev
->dev_type_flag
&= ~dev_type
;
454 if (dev_type
== EXYNOS_DEVICE_TYPE_CONNECTOR
) {
455 if (cdev
->conn_dev
== dev
) {
456 cdev
->conn_dev
= NULL
;
457 cdev
->dev_type_flag
&= ~dev_type
;
462 * Release cdev object only in case that both of crtc and
463 * encoder/connector device objects are NULL.
465 if (!cdev
->crtc_dev
&& !cdev
->conn_dev
) {
466 list_del(&cdev
->list
);
473 mutex_unlock(&drm_component_lock
);
476 static int compare_dev(struct device
*dev
, void *data
)
478 return dev
== (struct device
*)data
;
481 static struct component_match
*exynos_drm_match_add(struct device
*dev
)
483 struct component_match
*match
= NULL
;
484 struct component_dev
*cdev
;
485 unsigned int attach_cnt
= 0;
487 mutex_lock(&drm_component_lock
);
489 /* Do not retry to probe if there is no any kms driver regitered. */
490 if (list_empty(&drm_component_list
)) {
491 mutex_unlock(&drm_component_lock
);
492 return ERR_PTR(-ENODEV
);
495 list_for_each_entry(cdev
, &drm_component_list
, list
) {
497 * Add components to master only in case that crtc and
498 * encoder/connector device objects exist.
500 if (!cdev
->crtc_dev
|| !cdev
->conn_dev
)
505 mutex_unlock(&drm_component_lock
);
508 * fimd and dpi modules have same device object so add
509 * only crtc device object in this case.
511 if (cdev
->crtc_dev
== cdev
->conn_dev
) {
512 component_match_add(dev
, &match
, compare_dev
,
518 * Do not chage below call order.
519 * crtc device first should be added to master because
520 * connector/encoder need pipe number of crtc when they
523 component_match_add(dev
, &match
, compare_dev
, cdev
->crtc_dev
);
524 component_match_add(dev
, &match
, compare_dev
, cdev
->conn_dev
);
527 mutex_lock(&drm_component_lock
);
530 mutex_unlock(&drm_component_lock
);
532 return attach_cnt
? match
: ERR_PTR(-EPROBE_DEFER
);
535 static int exynos_drm_bind(struct device
*dev
)
537 return drm_platform_init(&exynos_drm_driver
, to_platform_device(dev
));
540 static void exynos_drm_unbind(struct device
*dev
)
542 drm_put_dev(dev_get_drvdata(dev
));
545 static const struct component_master_ops exynos_drm_ops
= {
546 .bind
= exynos_drm_bind
,
547 .unbind
= exynos_drm_unbind
,
550 static int exynos_drm_platform_probe(struct platform_device
*pdev
)
552 struct component_match
*match
;
555 pdev
->dev
.coherent_dma_mask
= DMA_BIT_MASK(32);
556 exynos_drm_driver
.num_ioctls
= ARRAY_SIZE(exynos_ioctls
);
558 #ifdef CONFIG_DRM_EXYNOS_FIMD
559 ret
= platform_driver_register(&fimd_driver
);
564 #ifdef CONFIG_DRM_EXYNOS_DP
565 ret
= platform_driver_register(&dp_driver
);
567 goto err_unregister_fimd_drv
;
570 #ifdef CONFIG_DRM_EXYNOS_DSI
571 ret
= platform_driver_register(&dsi_driver
);
573 goto err_unregister_dp_drv
;
576 #ifdef CONFIG_DRM_EXYNOS_HDMI
577 ret
= platform_driver_register(&mixer_driver
);
579 goto err_unregister_dsi_drv
;
580 ret
= platform_driver_register(&hdmi_driver
);
582 goto err_unregister_mixer_drv
;
585 match
= exynos_drm_match_add(&pdev
->dev
);
587 ret
= PTR_ERR(match
);
588 goto err_unregister_hdmi_drv
;
591 ret
= component_master_add_with_match(&pdev
->dev
, &exynos_drm_ops
,
594 goto err_unregister_hdmi_drv
;
596 #ifdef CONFIG_DRM_EXYNOS_G2D
597 ret
= platform_driver_register(&g2d_driver
);
599 goto err_del_component_master
;
602 #ifdef CONFIG_DRM_EXYNOS_FIMC
603 ret
= platform_driver_register(&fimc_driver
);
605 goto err_unregister_g2d_drv
;
608 #ifdef CONFIG_DRM_EXYNOS_ROTATOR
609 ret
= platform_driver_register(&rotator_driver
);
611 goto err_unregister_fimc_drv
;
614 #ifdef CONFIG_DRM_EXYNOS_GSC
615 ret
= platform_driver_register(&gsc_driver
);
617 goto err_unregister_rotator_drv
;
620 #ifdef CONFIG_DRM_EXYNOS_IPP
621 ret
= platform_driver_register(&ipp_driver
);
623 goto err_unregister_gsc_drv
;
625 ret
= exynos_platform_device_ipp_register();
627 goto err_unregister_ipp_drv
;
630 /* Probe non kms sub drivers and virtual display driver. */
631 ret
= exynos_drm_device_subdrv_probe(platform_get_drvdata(pdev
));
633 goto err_unregister_resources
;
637 err_unregister_resources
:
638 #ifdef CONFIG_DRM_EXYNOS_IPP
639 exynos_platform_device_ipp_unregister();
640 err_unregister_ipp_drv
:
641 platform_driver_unregister(&ipp_driver
);
642 err_unregister_gsc_drv
:
645 #ifdef CONFIG_DRM_EXYNOS_GSC
646 platform_driver_unregister(&gsc_driver
);
647 err_unregister_rotator_drv
:
650 #ifdef CONFIG_DRM_EXYNOS_ROTATOR
651 platform_driver_unregister(&rotator_driver
);
652 err_unregister_fimc_drv
:
655 #ifdef CONFIG_DRM_EXYNOS_FIMC
656 platform_driver_unregister(&fimc_driver
);
657 err_unregister_g2d_drv
:
660 #ifdef CONFIG_DRM_EXYNOS_G2D
661 platform_driver_unregister(&g2d_driver
);
662 err_del_component_master
:
664 component_master_del(&pdev
->dev
, &exynos_drm_ops
);
666 err_unregister_hdmi_drv
:
667 #ifdef CONFIG_DRM_EXYNOS_HDMI
668 platform_driver_unregister(&hdmi_driver
);
669 err_unregister_mixer_drv
:
670 platform_driver_unregister(&mixer_driver
);
671 err_unregister_dsi_drv
:
674 #ifdef CONFIG_DRM_EXYNOS_DSI
675 platform_driver_unregister(&dsi_driver
);
676 err_unregister_dp_drv
:
679 #ifdef CONFIG_DRM_EXYNOS_DP
680 platform_driver_unregister(&dp_driver
);
681 err_unregister_fimd_drv
:
684 #ifdef CONFIG_DRM_EXYNOS_FIMD
685 platform_driver_unregister(&fimd_driver
);
690 static int exynos_drm_platform_remove(struct platform_device
*pdev
)
692 exynos_drm_device_subdrv_remove(platform_get_drvdata(pdev
));
694 #ifdef CONFIG_DRM_EXYNOS_IPP
695 exynos_platform_device_ipp_unregister();
696 platform_driver_unregister(&ipp_driver
);
699 #ifdef CONFIG_DRM_EXYNOS_GSC
700 platform_driver_unregister(&gsc_driver
);
703 #ifdef CONFIG_DRM_EXYNOS_ROTATOR
704 platform_driver_unregister(&rotator_driver
);
707 #ifdef CONFIG_DRM_EXYNOS_FIMC
708 platform_driver_unregister(&fimc_driver
);
711 #ifdef CONFIG_DRM_EXYNOS_G2D
712 platform_driver_unregister(&g2d_driver
);
715 #ifdef CONFIG_DRM_EXYNOS_HDMI
716 platform_driver_unregister(&mixer_driver
);
717 platform_driver_unregister(&hdmi_driver
);
720 #ifdef CONFIG_DRM_EXYNOS_FIMD
721 platform_driver_unregister(&fimd_driver
);
724 #ifdef CONFIG_DRM_EXYNOS_DSI
725 platform_driver_unregister(&dsi_driver
);
728 #ifdef CONFIG_DRM_EXYNOS_DP
729 platform_driver_unregister(&dp_driver
);
731 component_master_del(&pdev
->dev
, &exynos_drm_ops
);
735 static struct platform_driver exynos_drm_platform_driver
= {
736 .probe
= exynos_drm_platform_probe
,
737 .remove
= exynos_drm_platform_remove
,
739 .owner
= THIS_MODULE
,
740 .name
= "exynos-drm",
741 .pm
= &exynos_drm_pm_ops
,
745 static int exynos_drm_init(void)
750 * Register device object only in case of Exynos SoC.
752 * Below codes resolves temporarily infinite loop issue incurred
753 * by Exynos drm driver when using multi-platform kernel.
754 * So these codes will be replaced with more generic way later.
756 if (!of_machine_is_compatible("samsung,exynos3") &&
757 !of_machine_is_compatible("samsung,exynos4") &&
758 !of_machine_is_compatible("samsung,exynos5"))
761 exynos_drm_pdev
= platform_device_register_simple("exynos-drm", -1,
763 if (IS_ERR(exynos_drm_pdev
))
764 return PTR_ERR(exynos_drm_pdev
);
766 #ifdef CONFIG_DRM_EXYNOS_VIDI
767 ret
= exynos_drm_probe_vidi();
769 goto err_unregister_pd
;
772 ret
= platform_driver_register(&exynos_drm_platform_driver
);
774 goto err_remove_vidi
;
779 #ifdef CONFIG_DRM_EXYNOS_VIDI
780 exynos_drm_remove_vidi();
784 platform_device_unregister(exynos_drm_pdev
);
789 static void exynos_drm_exit(void)
791 platform_driver_unregister(&exynos_drm_platform_driver
);
792 #ifdef CONFIG_DRM_EXYNOS_VIDI
793 exynos_drm_remove_vidi();
795 platform_device_unregister(exynos_drm_pdev
);
798 module_init(exynos_drm_init
);
799 module_exit(exynos_drm_exit
);
801 MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
802 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
803 MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
804 MODULE_DESCRIPTION("Samsung SoC DRM Driver");
805 MODULE_LICENSE("GPL");