2 * Copyright (C) 2013, NVIDIA Corporation. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sub license,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
24 #include <linux/backlight.h>
25 #include <linux/gpio/consumer.h>
26 #include <linux/module.h>
27 #include <linux/of_platform.h>
28 #include <linux/platform_device.h>
29 #include <linux/regulator/consumer.h>
32 #include <drm/drm_crtc.h>
33 #include <drm/drm_mipi_dsi.h>
34 #include <drm/drm_panel.h>
37 const struct drm_display_mode *modes;
38 unsigned int num_modes;
48 * @prepare: the time (in milliseconds) that it takes for the panel to
49 * become ready and start receiving video data
50 * @enable: the time (in milliseconds) that it takes for the panel to
51 * display the first valid frame after starting to receive
53 * @disable: the time (in milliseconds) that it takes for the panel to
54 * turn the display off (no content is visible)
55 * @unprepare: the time (in milliseconds) that it takes for the panel
56 * to power itself down completely
62 unsigned int unprepare;
69 struct drm_panel base;
73 const struct panel_desc *desc;
75 struct backlight_device *backlight;
76 struct regulator *supply;
77 struct i2c_adapter *ddc;
79 struct gpio_desc *enable_gpio;
82 static inline struct panel_simple *to_panel_simple(struct drm_panel *panel)
84 return container_of(panel, struct panel_simple, base);
87 static int panel_simple_get_fixed_modes(struct panel_simple *panel)
89 struct drm_connector *connector = panel->base.connector;
90 struct drm_device *drm = panel->base.drm;
91 struct drm_display_mode *mode;
92 unsigned int i, num = 0;
97 for (i = 0; i < panel->desc->num_modes; i++) {
98 const struct drm_display_mode *m = &panel->desc->modes[i];
100 mode = drm_mode_duplicate(drm, m);
102 dev_err(drm->dev, "failed to add mode %ux%u@%u\n",
103 m->hdisplay, m->vdisplay, m->vrefresh);
107 drm_mode_set_name(mode);
109 drm_mode_probed_add(connector, mode);
113 connector->display_info.bpc = panel->desc->bpc;
114 connector->display_info.width_mm = panel->desc->size.width;
115 connector->display_info.height_mm = panel->desc->size.height;
116 if (panel->desc->bus_format)
117 drm_display_info_set_bus_formats(&connector->display_info,
118 &panel->desc->bus_format, 1);
123 static int panel_simple_disable(struct drm_panel *panel)
125 struct panel_simple *p = to_panel_simple(panel);
131 p->backlight->props.power = FB_BLANK_POWERDOWN;
132 backlight_update_status(p->backlight);
135 if (p->desc->delay.disable)
136 msleep(p->desc->delay.disable);
143 static int panel_simple_unprepare(struct drm_panel *panel)
145 struct panel_simple *p = to_panel_simple(panel);
151 gpiod_set_value_cansleep(p->enable_gpio, 0);
153 regulator_disable(p->supply);
155 if (p->desc->delay.unprepare)
156 msleep(p->desc->delay.unprepare);
163 static int panel_simple_prepare(struct drm_panel *panel)
165 struct panel_simple *p = to_panel_simple(panel);
171 err = regulator_enable(p->supply);
173 dev_err(panel->dev, "failed to enable supply: %d\n", err);
178 gpiod_set_value_cansleep(p->enable_gpio, 1);
180 if (p->desc->delay.prepare)
181 msleep(p->desc->delay.prepare);
188 static int panel_simple_enable(struct drm_panel *panel)
190 struct panel_simple *p = to_panel_simple(panel);
195 if (p->desc->delay.enable)
196 msleep(p->desc->delay.enable);
199 p->backlight->props.power = FB_BLANK_UNBLANK;
200 backlight_update_status(p->backlight);
208 static int panel_simple_get_modes(struct drm_panel *panel)
210 struct panel_simple *p = to_panel_simple(panel);
213 /* probe EDID if a DDC bus is available */
215 struct edid *edid = drm_get_edid(panel->connector, p->ddc);
216 drm_mode_connector_update_edid_property(panel->connector, edid);
218 num += drm_add_edid_modes(panel->connector, edid);
223 /* add hard-coded panel modes */
224 num += panel_simple_get_fixed_modes(p);
229 static const struct drm_panel_funcs panel_simple_funcs = {
230 .disable = panel_simple_disable,
231 .unprepare = panel_simple_unprepare,
232 .prepare = panel_simple_prepare,
233 .enable = panel_simple_enable,
234 .get_modes = panel_simple_get_modes,
237 static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
239 struct device_node *backlight, *ddc;
240 struct panel_simple *panel;
243 panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);
247 panel->enabled = false;
248 panel->prepared = false;
251 panel->supply = devm_regulator_get(dev, "power");
252 if (IS_ERR(panel->supply))
253 return PTR_ERR(panel->supply);
255 panel->enable_gpio = devm_gpiod_get_optional(dev, "enable",
257 if (IS_ERR(panel->enable_gpio)) {
258 err = PTR_ERR(panel->enable_gpio);
259 dev_err(dev, "failed to request GPIO: %d\n", err);
263 backlight = of_parse_phandle(dev->of_node, "backlight", 0);
265 panel->backlight = of_find_backlight_by_node(backlight);
266 of_node_put(backlight);
268 if (!panel->backlight)
269 return -EPROBE_DEFER;
272 ddc = of_parse_phandle(dev->of_node, "ddc-i2c-bus", 0);
274 panel->ddc = of_find_i2c_adapter_by_node(ddc);
283 drm_panel_init(&panel->base);
284 panel->base.dev = dev;
285 panel->base.funcs = &panel_simple_funcs;
287 err = drm_panel_add(&panel->base);
291 dev_set_drvdata(dev, panel);
297 put_device(&panel->ddc->dev);
299 if (panel->backlight)
300 put_device(&panel->backlight->dev);
305 static int panel_simple_remove(struct device *dev)
307 struct panel_simple *panel = dev_get_drvdata(dev);
309 drm_panel_detach(&panel->base);
310 drm_panel_remove(&panel->base);
312 panel_simple_disable(&panel->base);
315 put_device(&panel->ddc->dev);
317 if (panel->backlight)
318 put_device(&panel->backlight->dev);
323 static void panel_simple_shutdown(struct device *dev)
325 struct panel_simple *panel = dev_get_drvdata(dev);
327 panel_simple_disable(&panel->base);
330 static const struct drm_display_mode auo_b101aw03_mode = {
333 .hsync_start = 1024 + 156,
334 .hsync_end = 1024 + 156 + 8,
335 .htotal = 1024 + 156 + 8 + 156,
337 .vsync_start = 600 + 16,
338 .vsync_end = 600 + 16 + 6,
339 .vtotal = 600 + 16 + 6 + 16,
343 static const struct panel_desc auo_b101aw03 = {
344 .modes = &auo_b101aw03_mode,
353 static const struct drm_display_mode auo_b101xtn01_mode = {
356 .hsync_start = 1366 + 20,
357 .hsync_end = 1366 + 20 + 70,
358 .htotal = 1366 + 20 + 70,
360 .vsync_start = 768 + 14,
361 .vsync_end = 768 + 14 + 42,
362 .vtotal = 768 + 14 + 42,
364 .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
367 static const struct panel_desc auo_b101xtn01 = {
368 .modes = &auo_b101xtn01_mode,
377 static const struct drm_display_mode auo_b116xw03_mode = {
380 .hsync_start = 1366 + 40,
381 .hsync_end = 1366 + 40 + 40,
382 .htotal = 1366 + 40 + 40 + 32,
384 .vsync_start = 768 + 10,
385 .vsync_end = 768 + 10 + 12,
386 .vtotal = 768 + 10 + 12 + 6,
390 static const struct panel_desc auo_b116xw03 = {
391 .modes = &auo_b116xw03_mode,
400 static const struct drm_display_mode auo_b133xtn01_mode = {
403 .hsync_start = 1366 + 48,
404 .hsync_end = 1366 + 48 + 32,
405 .htotal = 1366 + 48 + 32 + 20,
407 .vsync_start = 768 + 3,
408 .vsync_end = 768 + 3 + 6,
409 .vtotal = 768 + 3 + 6 + 13,
413 static const struct panel_desc auo_b133xtn01 = {
414 .modes = &auo_b133xtn01_mode,
423 static const struct drm_display_mode auo_b133htn01_mode = {
426 .hsync_start = 1920 + 172,
427 .hsync_end = 1920 + 172 + 80,
428 .htotal = 1920 + 172 + 80 + 60,
430 .vsync_start = 1080 + 25,
431 .vsync_end = 1080 + 25 + 10,
432 .vtotal = 1080 + 25 + 10 + 10,
436 static const struct panel_desc auo_b133htn01 = {
437 .modes = &auo_b133htn01_mode,
451 static const struct drm_display_mode avic_tm070ddh03_mode = {
454 .hsync_start = 1024 + 160,
455 .hsync_end = 1024 + 160 + 4,
456 .htotal = 1024 + 160 + 4 + 156,
458 .vsync_start = 600 + 17,
459 .vsync_end = 600 + 17 + 1,
460 .vtotal = 600 + 17 + 1 + 17,
464 static const struct panel_desc avic_tm070ddh03 = {
465 .modes = &avic_tm070ddh03_mode,
479 static const struct drm_display_mode chunghwa_claa101wa01a_mode = {
482 .hsync_start = 1366 + 58,
483 .hsync_end = 1366 + 58 + 58,
484 .htotal = 1366 + 58 + 58 + 58,
486 .vsync_start = 768 + 4,
487 .vsync_end = 768 + 4 + 4,
488 .vtotal = 768 + 4 + 4 + 4,
492 static const struct panel_desc chunghwa_claa101wa01a = {
493 .modes = &chunghwa_claa101wa01a_mode,
502 static const struct drm_display_mode chunghwa_claa101wb01_mode = {
505 .hsync_start = 1366 + 48,
506 .hsync_end = 1366 + 48 + 32,
507 .htotal = 1366 + 48 + 32 + 20,
509 .vsync_start = 768 + 16,
510 .vsync_end = 768 + 16 + 8,
511 .vtotal = 768 + 16 + 8 + 16,
515 static const struct panel_desc chunghwa_claa101wb01 = {
516 .modes = &chunghwa_claa101wb01_mode,
525 static const struct drm_display_mode edt_et057090dhu_mode = {
528 .hsync_start = 640 + 16,
529 .hsync_end = 640 + 16 + 30,
530 .htotal = 640 + 16 + 30 + 114,
532 .vsync_start = 480 + 10,
533 .vsync_end = 480 + 10 + 3,
534 .vtotal = 480 + 10 + 3 + 32,
536 .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
539 static const struct panel_desc edt_et057090dhu = {
540 .modes = &edt_et057090dhu_mode,
549 static const struct drm_display_mode edt_etm0700g0dh6_mode = {
552 .hsync_start = 800 + 40,
553 .hsync_end = 800 + 40 + 128,
554 .htotal = 800 + 40 + 128 + 88,
556 .vsync_start = 480 + 10,
557 .vsync_end = 480 + 10 + 2,
558 .vtotal = 480 + 10 + 2 + 33,
560 .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
563 static const struct panel_desc edt_etm0700g0dh6 = {
564 .modes = &edt_etm0700g0dh6_mode,
573 static const struct drm_display_mode foxlink_fl500wvr00_a0t_mode = {
576 .hsync_start = 800 + 168,
577 .hsync_end = 800 + 168 + 64,
578 .htotal = 800 + 168 + 64 + 88,
580 .vsync_start = 480 + 37,
581 .vsync_end = 480 + 37 + 2,
582 .vtotal = 480 + 37 + 2 + 8,
586 static const struct panel_desc foxlink_fl500wvr00_a0t = {
587 .modes = &foxlink_fl500wvr00_a0t_mode,
594 .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
597 static const struct drm_display_mode giantplus_gpg482739qs5_mode = {
600 .hsync_start = 480 + 5,
601 .hsync_end = 480 + 5 + 1,
602 .htotal = 480 + 5 + 1 + 40,
604 .vsync_start = 272 + 8,
605 .vsync_end = 272 + 8 + 1,
606 .vtotal = 272 + 8 + 1 + 8,
610 static const struct panel_desc giantplus_gpg482739qs5 = {
611 .modes = &giantplus_gpg482739qs5_mode,
620 static const struct drm_display_mode hannstar_hsd070pww1_mode = {
623 .hsync_start = 1280 + 1,
624 .hsync_end = 1280 + 1 + 158,
625 .htotal = 1280 + 1 + 158 + 1,
627 .vsync_start = 800 + 1,
628 .vsync_end = 800 + 1 + 21,
629 .vtotal = 800 + 1 + 21 + 1,
633 static const struct panel_desc hannstar_hsd070pww1 = {
634 .modes = &hannstar_hsd070pww1_mode,
643 static const struct drm_display_mode hitachi_tx23d38vm0caa_mode = {
646 .hsync_start = 800 + 85,
647 .hsync_end = 800 + 85 + 86,
648 .htotal = 800 + 85 + 86 + 85,
650 .vsync_start = 480 + 16,
651 .vsync_end = 480 + 16 + 13,
652 .vtotal = 480 + 16 + 13 + 16,
656 static const struct panel_desc hitachi_tx23d38vm0caa = {
657 .modes = &hitachi_tx23d38vm0caa_mode,
666 static const struct drm_display_mode innolux_g121i1_l01_mode = {
669 .hsync_start = 1280 + 64,
670 .hsync_end = 1280 + 64 + 32,
671 .htotal = 1280 + 64 + 32 + 64,
673 .vsync_start = 800 + 9,
674 .vsync_end = 800 + 9 + 6,
675 .vtotal = 800 + 9 + 6 + 9,
679 static const struct panel_desc innolux_g121i1_l01 = {
680 .modes = &innolux_g121i1_l01_mode,
689 static const struct drm_display_mode innolux_n116bge_mode = {
692 .hsync_start = 1366 + 136,
693 .hsync_end = 1366 + 136 + 30,
694 .htotal = 1366 + 136 + 30 + 60,
696 .vsync_start = 768 + 8,
697 .vsync_end = 768 + 8 + 12,
698 .vtotal = 768 + 8 + 12 + 12,
700 .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
703 static const struct panel_desc innolux_n116bge = {
704 .modes = &innolux_n116bge_mode,
713 static const struct drm_display_mode innolux_n156bge_l21_mode = {
716 .hsync_start = 1366 + 16,
717 .hsync_end = 1366 + 16 + 34,
718 .htotal = 1366 + 16 + 34 + 50,
720 .vsync_start = 768 + 2,
721 .vsync_end = 768 + 2 + 6,
722 .vtotal = 768 + 2 + 6 + 12,
726 static const struct panel_desc innolux_n156bge_l21 = {
727 .modes = &innolux_n156bge_l21_mode,
736 static const struct drm_display_mode lg_lp129qe_mode = {
739 .hsync_start = 2560 + 48,
740 .hsync_end = 2560 + 48 + 32,
741 .htotal = 2560 + 48 + 32 + 80,
743 .vsync_start = 1700 + 3,
744 .vsync_end = 1700 + 3 + 10,
745 .vtotal = 1700 + 3 + 10 + 36,
749 static const struct panel_desc lg_lp129qe = {
750 .modes = &lg_lp129qe_mode,
759 static const struct drm_display_mode samsung_ltn101nt05_mode = {
762 .hsync_start = 1024 + 24,
763 .hsync_end = 1024 + 24 + 136,
764 .htotal = 1024 + 24 + 136 + 160,
766 .vsync_start = 600 + 3,
767 .vsync_end = 600 + 3 + 6,
768 .vtotal = 600 + 3 + 6 + 61,
772 static const struct panel_desc samsung_ltn101nt05 = {
773 .modes = &samsung_ltn101nt05_mode,
782 static const struct of_device_id platform_of_match[] = {
784 .compatible = "auo,b101aw03",
785 .data = &auo_b101aw03,
787 .compatible = "auo,b101xtn01",
788 .data = &auo_b101xtn01,
790 .compatible = "auo,b116xw03",
791 .data = &auo_b116xw03,
793 .compatible = "auo,b133htn01",
794 .data = &auo_b133htn01,
796 .compatible = "auo,b133xtn01",
797 .data = &auo_b133xtn01,
799 .compatible = "avic,tm070ddh03",
800 .data = &avic_tm070ddh03,
802 .compatible = "chunghwa,claa101wa01a",
803 .data = &chunghwa_claa101wa01a
805 .compatible = "chunghwa,claa101wb01",
806 .data = &chunghwa_claa101wb01
808 .compatible = "edt,et057090dhu",
809 .data = &edt_et057090dhu,
811 .compatible = "edt,et070080dh6",
812 .data = &edt_etm0700g0dh6,
814 .compatible = "edt,etm0700g0dh6",
815 .data = &edt_etm0700g0dh6,
817 .compatible = "foxlink,fl500wvr00-a0t",
818 .data = &foxlink_fl500wvr00_a0t,
820 .compatible = "giantplus,gpg482739qs5",
821 .data = &giantplus_gpg482739qs5
823 .compatible = "hannstar,hsd070pww1",
824 .data = &hannstar_hsd070pww1,
826 .compatible = "hit,tx23d38vm0caa",
827 .data = &hitachi_tx23d38vm0caa
829 .compatible ="innolux,g121i1-l01",
830 .data = &innolux_g121i1_l01
832 .compatible = "innolux,n116bge",
833 .data = &innolux_n116bge,
835 .compatible = "innolux,n156bge-l21",
836 .data = &innolux_n156bge_l21,
838 .compatible = "lg,lp129qe",
841 .compatible = "samsung,ltn101nt05",
842 .data = &samsung_ltn101nt05,
847 MODULE_DEVICE_TABLE(of, platform_of_match);
849 static int panel_simple_platform_probe(struct platform_device *pdev)
851 const struct of_device_id *id;
853 id = of_match_node(platform_of_match, pdev->dev.of_node);
857 return panel_simple_probe(&pdev->dev, id->data);
860 static int panel_simple_platform_remove(struct platform_device *pdev)
862 return panel_simple_remove(&pdev->dev);
865 static void panel_simple_platform_shutdown(struct platform_device *pdev)
867 panel_simple_shutdown(&pdev->dev);
870 static struct platform_driver panel_simple_platform_driver = {
872 .name = "panel-simple",
873 .of_match_table = platform_of_match,
875 .probe = panel_simple_platform_probe,
876 .remove = panel_simple_platform_remove,
877 .shutdown = panel_simple_platform_shutdown,
880 struct panel_desc_dsi {
881 struct panel_desc desc;
884 enum mipi_dsi_pixel_format format;
888 static const struct drm_display_mode lg_ld070wx3_sl01_mode = {
891 .hsync_start = 800 + 32,
892 .hsync_end = 800 + 32 + 1,
893 .htotal = 800 + 32 + 1 + 57,
895 .vsync_start = 1280 + 28,
896 .vsync_end = 1280 + 28 + 1,
897 .vtotal = 1280 + 28 + 1 + 14,
901 static const struct panel_desc_dsi lg_ld070wx3_sl01 = {
903 .modes = &lg_ld070wx3_sl01_mode,
911 .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS,
912 .format = MIPI_DSI_FMT_RGB888,
916 static const struct drm_display_mode lg_lh500wx1_sd03_mode = {
919 .hsync_start = 720 + 12,
920 .hsync_end = 720 + 12 + 4,
921 .htotal = 720 + 12 + 4 + 112,
923 .vsync_start = 1280 + 8,
924 .vsync_end = 1280 + 8 + 4,
925 .vtotal = 1280 + 8 + 4 + 12,
929 static const struct panel_desc_dsi lg_lh500wx1_sd03 = {
931 .modes = &lg_lh500wx1_sd03_mode,
939 .flags = MIPI_DSI_MODE_VIDEO,
940 .format = MIPI_DSI_FMT_RGB888,
944 static const struct drm_display_mode panasonic_vvx10f004b00_mode = {
947 .hsync_start = 1920 + 154,
948 .hsync_end = 1920 + 154 + 16,
949 .htotal = 1920 + 154 + 16 + 32,
951 .vsync_start = 1200 + 17,
952 .vsync_end = 1200 + 17 + 2,
953 .vtotal = 1200 + 17 + 2 + 16,
957 static const struct panel_desc_dsi panasonic_vvx10f004b00 = {
959 .modes = &panasonic_vvx10f004b00_mode,
967 .flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
968 MIPI_DSI_CLOCK_NON_CONTINUOUS,
969 .format = MIPI_DSI_FMT_RGB888,
973 static const struct of_device_id dsi_of_match[] = {
975 .compatible = "lg,ld070wx3-sl01",
976 .data = &lg_ld070wx3_sl01
978 .compatible = "lg,lh500wx1-sd03",
979 .data = &lg_lh500wx1_sd03
981 .compatible = "panasonic,vvx10f004b00",
982 .data = &panasonic_vvx10f004b00
987 MODULE_DEVICE_TABLE(of, dsi_of_match);
989 static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi)
991 const struct panel_desc_dsi *desc;
992 const struct of_device_id *id;
995 id = of_match_node(dsi_of_match, dsi->dev.of_node);
1001 err = panel_simple_probe(&dsi->dev, &desc->desc);
1005 dsi->mode_flags = desc->flags;
1006 dsi->format = desc->format;
1007 dsi->lanes = desc->lanes;
1009 return mipi_dsi_attach(dsi);
1012 static int panel_simple_dsi_remove(struct mipi_dsi_device *dsi)
1016 err = mipi_dsi_detach(dsi);
1018 dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err);
1020 return panel_simple_remove(&dsi->dev);
1023 static void panel_simple_dsi_shutdown(struct mipi_dsi_device *dsi)
1025 panel_simple_shutdown(&dsi->dev);
1028 static struct mipi_dsi_driver panel_simple_dsi_driver = {
1030 .name = "panel-simple-dsi",
1031 .of_match_table = dsi_of_match,
1033 .probe = panel_simple_dsi_probe,
1034 .remove = panel_simple_dsi_remove,
1035 .shutdown = panel_simple_dsi_shutdown,
1038 static int __init panel_simple_init(void)
1042 err = platform_driver_register(&panel_simple_platform_driver);
1046 if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) {
1047 err = mipi_dsi_driver_register(&panel_simple_dsi_driver);
1054 module_init(panel_simple_init);
1056 static void __exit panel_simple_exit(void)
1058 if (IS_ENABLED(CONFIG_DRM_MIPI_DSI))
1059 mipi_dsi_driver_unregister(&panel_simple_dsi_driver);
1061 platform_driver_unregister(&panel_simple_platform_driver);
1063 module_exit(panel_simple_exit);
1065 MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>");
1066 MODULE_DESCRIPTION("DRM Driver for Simple Panels");
1067 MODULE_LICENSE("GPL and additional rights");