1/*
2 * Copyright (C) 2008 Maarten Maathuis.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27#include <acpi/video.h>
28
29#include <drm/drm_atomic.h>
30#include <drm/drm_atomic_helper.h>
31#include <drm/drm_crtc_helper.h>
32#include <drm/drm_fb_helper.h>
33#include <drm/drm_fourcc.h>
34#include <drm/drm_gem_framebuffer_helper.h>
35#include <drm/drm_probe_helper.h>
36#include <drm/drm_vblank.h>
37
38#include "nouveau_crtc.h"
39#include "nouveau_gem.h"
40#include "nouveau_connector.h"
41#include "nv50_display.h"
42
43#include <nvif/class.h>
44#include <nvif/if0011.h>
45#include <nvif/if0013.h>
46#include <dispnv50/crc.h>
47
48int
49nouveau_display_vblank_enable(struct drm_crtc *crtc)
50{
51	struct nouveau_crtc *nv_crtc;
52
53	nv_crtc = nouveau_crtc(crtc);
54	nvif_event_allow(&nv_crtc->vblank);
55
56	return 0;
57}
58
59void
60nouveau_display_vblank_disable(struct drm_crtc *crtc)
61{
62	struct nouveau_crtc *nv_crtc;
63
64	nv_crtc = nouveau_crtc(crtc);
65	nvif_event_block(&nv_crtc->vblank);
66}
67
68static inline int
69calc(int blanks, int blanke, int total, int line)
70{
71	if (blanke >= blanks) {
72		if (line >= blanks)
73			line -= total;
74	} else {
75		if (line >= blanks)
76			line -= total;
77		line -= blanke + 1;
78	}
79	return line;
80}
81
82static bool
83nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
84				ktime_t *stime, ktime_t *etime)
85{
86	struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
87	struct nvif_head *head = &nouveau_crtc(crtc)->head;
88	struct nvif_head_scanoutpos_v0 args;
89	int retry = 20;
90	bool ret = false;
91
92	args.version = 0;
93
94	do {
95		ret = nvif_mthd(&head->object, NVIF_HEAD_V0_SCANOUTPOS, &args, sizeof(args));
96		if (ret != 0)
97			return false;
98
99		if (args.vline) {
100			ret = true;
101			break;
102		}
103
104		if (retry) ndelay(vblank->linedur_ns);
105	} while (retry--);
106
107	*hpos = args.hline;
108	*vpos = calc(args.vblanks, args.vblanke, args.vtotal, args.vline);
109	if (stime) *stime = ns_to_ktime(args.time[0]);
110	if (etime) *etime = ns_to_ktime(args.time[1]);
111
112	return ret;
113}
114
115bool
116nouveau_display_scanoutpos(struct drm_crtc *crtc,
117			   bool in_vblank_irq, int *vpos, int *hpos,
118			   ktime_t *stime, ktime_t *etime,
119			   const struct drm_display_mode *mode)
120{
121	return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
122					       stime, etime);
123}
124
125static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
126	.destroy = drm_gem_fb_destroy,
127	.create_handle = drm_gem_fb_create_handle,
128};
129
130static void
131nouveau_decode_mod(struct nouveau_drm *drm,
132		   uint64_t modifier,
133		   uint32_t *tile_mode,
134		   uint8_t *kind)
135{
136	struct nouveau_display *disp = nouveau_display(drm->dev);
137	BUG_ON(!tile_mode || !kind);
138
139	if (modifier == DRM_FORMAT_MOD_LINEAR) {
140		/* tile_mode will not be used in this case */
141		*tile_mode = 0;
142		*kind = 0;
143	} else {
144		/*
145		 * Extract the block height and kind from the corresponding
146		 * modifier fields.  See drm_fourcc.h for details.
147		 */
148
149		if ((modifier & (0xffull << 12)) == 0ull) {
150			/* Legacy modifier.  Translate to this dev's 'kind.' */
151			modifier |= disp->format_modifiers[0] & (0xffull << 12);
152		}
153
154		*tile_mode = (uint32_t)(modifier & 0xF);
155		*kind = (uint8_t)((modifier >> 12) & 0xFF);
156
157		if (drm->client.device.info.chipset >= 0xc0)
158			*tile_mode <<= 4;
159	}
160}
161
162void
163nouveau_framebuffer_get_layout(struct drm_framebuffer *fb,
164			       uint32_t *tile_mode,
165			       uint8_t *kind)
166{
167	if (fb->flags & DRM_MODE_FB_MODIFIERS) {
168		struct nouveau_drm *drm = nouveau_drm(fb->dev);
169
170		nouveau_decode_mod(drm, fb->modifier, tile_mode, kind);
171	} else {
172		const struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]);
173
174		*tile_mode = nvbo->mode;
175		*kind = nvbo->kind;
176	}
177}
178
179static const u64 legacy_modifiers[] = {
180	DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(0),
181	DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(1),
182	DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(2),
183	DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(3),
184	DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(4),
185	DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(5),
186	DRM_FORMAT_MOD_INVALID
187};
188
189static int
190nouveau_validate_decode_mod(struct nouveau_drm *drm,
191			    uint64_t modifier,
192			    uint32_t *tile_mode,
193			    uint8_t *kind)
194{
195	struct nouveau_display *disp = nouveau_display(drm->dev);
196	int mod;
197
198	if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
199		return -EINVAL;
200	}
201
202	BUG_ON(!disp->format_modifiers);
203
204	for (mod = 0;
205	     (disp->format_modifiers[mod] != DRM_FORMAT_MOD_INVALID) &&
206	     (disp->format_modifiers[mod] != modifier);
207	     mod++);
208
209	if (disp->format_modifiers[mod] == DRM_FORMAT_MOD_INVALID) {
210		for (mod = 0;
211		     (legacy_modifiers[mod] != DRM_FORMAT_MOD_INVALID) &&
212		     (legacy_modifiers[mod] != modifier);
213		     mod++);
214		if (legacy_modifiers[mod] == DRM_FORMAT_MOD_INVALID)
215			return -EINVAL;
216	}
217
218	nouveau_decode_mod(drm, modifier, tile_mode, kind);
219
220	return 0;
221}
222
223static inline uint32_t
224nouveau_get_width_in_blocks(uint32_t stride)
225{
226	/* GOBs per block in the x direction is always one, and GOBs are
227	 * 64 bytes wide
228	 */
229	static const uint32_t log_block_width = 6;
230
231	return (stride + (1 << log_block_width) - 1) >> log_block_width;
232}
233
234static inline uint32_t
235nouveau_get_height_in_blocks(struct nouveau_drm *drm,
236			     uint32_t height,
237			     uint32_t log_block_height_in_gobs)
238{
239	uint32_t log_gob_height;
240	uint32_t log_block_height;
241
242	BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA);
243
244	if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI)
245		log_gob_height = 2;
246	else
247		log_gob_height = 3;
248
249	log_block_height = log_block_height_in_gobs + log_gob_height;
250
251	return (height + (1 << log_block_height) - 1) >> log_block_height;
252}
253
254static int
255nouveau_check_bl_size(struct nouveau_drm *drm, struct nouveau_bo *nvbo,
256		      uint32_t offset, uint32_t stride, uint32_t h,
257		      uint32_t tile_mode)
258{
259	uint32_t gob_size, bw, bh;
260	uint64_t bl_size;
261
262	BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA);
263
264	if (drm->client.device.info.chipset >= 0xc0) {
265		if (tile_mode & 0xF)
266			return -EINVAL;
267		tile_mode >>= 4;
268	}
269
270	if (tile_mode & 0xFFFFFFF0)
271		return -EINVAL;
272
273	if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI)
274		gob_size = 256;
275	else
276		gob_size = 512;
277
278	bw = nouveau_get_width_in_blocks(stride);
279	bh = nouveau_get_height_in_blocks(drm, h, tile_mode);
280
281	bl_size = bw * bh * (1 << tile_mode) * gob_size;
282
283	DRM_DEBUG_KMS("offset=%u stride=%u h=%u tile_mode=0x%02x bw=%u bh=%u gob_size=%u bl_size=%llu size=%zu\n",
284		      offset, stride, h, tile_mode, bw, bh, gob_size, bl_size,
285		      nvbo->bo.base.size);
286
287	if (bl_size + offset > nvbo->bo.base.size)
288		return -ERANGE;
289
290	return 0;
291}
292
293int
294nouveau_framebuffer_new(struct drm_device *dev,
295			const struct drm_mode_fb_cmd2 *mode_cmd,
296			struct drm_gem_object *gem,
297			struct drm_framebuffer **pfb)
298{
299	struct nouveau_drm *drm = nouveau_drm(dev);
300	struct nouveau_bo *nvbo = nouveau_gem_object(gem);
301	struct drm_framebuffer *fb;
302	const struct drm_format_info *info;
303	unsigned int height, i;
304	uint32_t tile_mode;
305	uint8_t kind;
306	int ret;
307
308        /* YUV overlays have special requirements pre-NV50 */
309	if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA &&
310
311	    (mode_cmd->pixel_format == DRM_FORMAT_YUYV ||
312	     mode_cmd->pixel_format == DRM_FORMAT_UYVY ||
313	     mode_cmd->pixel_format == DRM_FORMAT_NV12 ||
314	     mode_cmd->pixel_format == DRM_FORMAT_NV21) &&
315	    (mode_cmd->pitches[0] & 0x3f || /* align 64 */
316	     mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */
317	     (mode_cmd->pitches[1] && /* pitches for planes must match */
318	      mode_cmd->pitches[0] != mode_cmd->pitches[1]))) {
319		DRM_DEBUG_KMS("Unsuitable framebuffer: format: %p4cc; pitches: 0x%x\n 0x%x\n",
320			      &mode_cmd->pixel_format,
321			      mode_cmd->pitches[0], mode_cmd->pitches[1]);
322		return -EINVAL;
323	}
324
325	if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) {
326		if (nouveau_validate_decode_mod(drm, mode_cmd->modifier[0],
327						&tile_mode, &kind)) {
328			DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n",
329				      mode_cmd->modifier[0]);
330			return -EINVAL;
331		}
332	} else {
333		tile_mode = nvbo->mode;
334		kind = nvbo->kind;
335	}
336
337	info = drm_get_format_info(dev, mode_cmd);
338
339	for (i = 0; i < info->num_planes; i++) {
340		height = drm_format_info_plane_height(info,
341						      mode_cmd->height,
342						      i);
343
344		if (kind) {
345			ret = nouveau_check_bl_size(drm, nvbo,
346						    mode_cmd->offsets[i],
347						    mode_cmd->pitches[i],
348						    height, tile_mode);
349			if (ret)
350				return ret;
351		} else {
352			uint32_t size = mode_cmd->pitches[i] * height;
353
354			if (size + mode_cmd->offsets[i] > nvbo->bo.base.size)
355				return -ERANGE;
356		}
357	}
358
359	if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
360		return -ENOMEM;
361
362	drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd);
363	fb->obj[0] = gem;
364
365	ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
366	if (ret)
367		kfree(fb);
368	return ret;
369}
370
371struct drm_framebuffer *
372nouveau_user_framebuffer_create(struct drm_device *dev,
373				struct drm_file *file_priv,
374				const struct drm_mode_fb_cmd2 *mode_cmd)
375{
376	struct drm_framebuffer *fb;
377	struct drm_gem_object *gem;
378	int ret;
379
380	gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
381	if (!gem)
382		return ERR_PTR(-ENOENT);
383
384	ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb);
385	if (ret == 0)
386		return fb;
387
388	drm_gem_object_put(gem);
389	return ERR_PTR(ret);
390}
391
392static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
393	.fb_create = nouveau_user_framebuffer_create,
394	.output_poll_changed = drm_fb_helper_output_poll_changed,
395};
396
397
398struct nouveau_drm_prop_enum_list {
399	u8 gen_mask;
400	int type;
401	char *name;
402};
403
404static struct nouveau_drm_prop_enum_list underscan[] = {
405	{ 6, UNDERSCAN_AUTO, "auto" },
406	{ 6, UNDERSCAN_OFF, "off" },
407	{ 6, UNDERSCAN_ON, "on" },
408	{}
409};
410
411static struct nouveau_drm_prop_enum_list dither_mode[] = {
412	{ 7, DITHERING_MODE_AUTO, "auto" },
413	{ 7, DITHERING_MODE_OFF, "off" },
414	{ 1, DITHERING_MODE_ON, "on" },
415	{ 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
416	{ 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
417	{ 4, DITHERING_MODE_TEMPORAL, "temporal" },
418	{}
419};
420
421static struct nouveau_drm_prop_enum_list dither_depth[] = {
422	{ 6, DITHERING_DEPTH_AUTO, "auto" },
423	{ 6, DITHERING_DEPTH_6BPC, "6 bpc" },
424	{ 6, DITHERING_DEPTH_8BPC, "8 bpc" },
425	{}
426};
427
428#define PROP_ENUM(p,gen,n,list) do {                                           \
429	struct nouveau_drm_prop_enum_list *l = (list);                         \
430	int c = 0;                                                             \
431	while (l->gen_mask) {                                                  \
432		if (l->gen_mask & (1 << (gen)))                                \
433			c++;                                                   \
434		l++;                                                           \
435	}                                                                      \
436	if (c) {                                                               \
437		p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c);        \
438		l = (list);                                                    \
439		while (p && l->gen_mask) {                                     \
440			if (l->gen_mask & (1 << (gen))) {                      \
441				drm_property_add_enum(p, l->type, l->name);    \
442			}                                                      \
443			l++;                                                   \
444		}                                                              \
445	}                                                                      \
446} while(0)
447
448void
449nouveau_display_hpd_resume(struct drm_device *dev)
450{
451	struct nouveau_drm *drm = nouveau_drm(dev);
452
453	spin_lock_irq(&drm->hpd_lock);
454	drm->hpd_pending = ~0;
455	spin_unlock_irq(&drm->hpd_lock);
456
457	schedule_work(&drm->hpd_work);
458}
459
460static void
461nouveau_display_hpd_work(struct work_struct *work)
462{
463	struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
464	struct drm_device *dev = drm->dev;
465	struct drm_connector *connector;
466	struct drm_connector_list_iter conn_iter;
467	u32 pending;
468	int changed = 0;
469	struct drm_connector *first_changed_connector = NULL;
470
471	pm_runtime_get_sync(dev->dev);
472
473	spin_lock_irq(&drm->hpd_lock);
474	pending = drm->hpd_pending;
475	drm->hpd_pending = 0;
476	spin_unlock_irq(&drm->hpd_lock);
477
478	/* Nothing to do, exit early without updating the last busy counter */
479	if (!pending)
480		goto noop;
481
482	mutex_lock(&dev->mode_config.mutex);
483	drm_connector_list_iter_begin(dev, &conn_iter);
484
485	nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
486		struct nouveau_connector *nv_connector = nouveau_connector(connector);
487		enum drm_connector_status old_status = connector->status;
488		u64 bits, old_epoch_counter = connector->epoch_counter;
489
490		if (!(pending & drm_connector_mask(connector)))
491			continue;
492
493		spin_lock_irq(&drm->hpd_lock);
494		bits = nv_connector->hpd_pending;
495		nv_connector->hpd_pending = 0;
496		spin_unlock_irq(&drm->hpd_lock);
497
498		drm_dbg_kms(dev, "[CONNECTOR:%d:%s] plug:%d unplug:%d irq:%d\n",
499			    connector->base.id, connector->name,
500			    !!(bits & NVIF_CONN_EVENT_V0_PLUG),
501			    !!(bits & NVIF_CONN_EVENT_V0_UNPLUG),
502			    !!(bits & NVIF_CONN_EVENT_V0_IRQ));
503
504		if (bits & NVIF_CONN_EVENT_V0_IRQ) {
505			if (nouveau_dp_link_check(nv_connector))
506				continue;
507		}
508
509		connector->status = drm_helper_probe_detect(connector, NULL, false);
510		if (old_epoch_counter == connector->epoch_counter)
511			continue;
512
513		changed++;
514		if (!first_changed_connector) {
515			drm_connector_get(connector);
516			first_changed_connector = connector;
517		}
518
519		drm_dbg_kms(dev, "[CONNECTOR:%d:%s] status updated from %s to %s (epoch counter %llu->%llu)\n",
520			    connector->base.id, connector->name,
521			    drm_get_connector_status_name(old_status),
522			    drm_get_connector_status_name(connector->status),
523			    old_epoch_counter, connector->epoch_counter);
524	}
525
526	drm_connector_list_iter_end(&conn_iter);
527	mutex_unlock(&dev->mode_config.mutex);
528
529	if (changed == 1)
530		drm_kms_helper_connector_hotplug_event(first_changed_connector);
531	else if (changed > 0)
532		drm_kms_helper_hotplug_event(dev);
533
534	if (first_changed_connector)
535		drm_connector_put(first_changed_connector);
536
537	pm_runtime_mark_last_busy(drm->dev->dev);
538noop:
539	pm_runtime_put_autosuspend(dev->dev);
540}
541
542#ifdef CONFIG_ACPI
543
544static int
545nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
546			  void *data)
547{
548	struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
549	struct acpi_bus_event *info = data;
550	int ret;
551
552	if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
553		if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
554			ret = pm_runtime_get(drm->dev->dev);
555			if (ret == 1 || ret == -EACCES) {
556				/* If the GPU is already awake, or in a state
557				 * where we can't wake it up, it can handle
558				 * it's own hotplug events.
559				 */
560				pm_runtime_put_autosuspend(drm->dev->dev);
561			} else if (ret == 0 || ret == -EINPROGRESS) {
562				/* We've started resuming the GPU already, so
563				 * it will handle scheduling a full reprobe
564				 * itself
565				 */
566				NV_DEBUG(drm, "ACPI requested connector reprobe\n");
567				pm_runtime_put_noidle(drm->dev->dev);
568			} else {
569				NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
570					ret);
571			}
572
573			/* acpi-video should not generate keypresses for this */
574			return NOTIFY_BAD;
575		}
576	}
577
578	return NOTIFY_DONE;
579}
580#endif
581
582int
583nouveau_display_init(struct drm_device *dev, bool resume, bool runtime)
584{
585	struct nouveau_display *disp = nouveau_display(dev);
586	struct drm_connector *connector;
587	struct drm_connector_list_iter conn_iter;
588	int ret;
589
590	/*
591	 * Enable hotplug interrupts (done as early as possible, since we need
592	 * them for MST)
593	 */
594	drm_connector_list_iter_begin(dev, &conn_iter);
595	nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
596		struct nouveau_connector *conn = nouveau_connector(connector);
597		nvif_event_allow(&conn->hpd);
598		nvif_event_allow(&conn->irq);
599	}
600	drm_connector_list_iter_end(&conn_iter);
601
602	ret = disp->init(dev, resume, runtime);
603	if (ret)
604		return ret;
605
606	/* enable connector detection and polling for connectors without HPD
607	 * support
608	 */
609	drm_kms_helper_poll_enable(dev);
610
611	return ret;
612}
613
614void
615nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
616{
617	struct nouveau_display *disp = nouveau_display(dev);
618	struct nouveau_drm *drm = nouveau_drm(dev);
619	struct drm_connector *connector;
620	struct drm_connector_list_iter conn_iter;
621
622	if (!suspend) {
623		if (drm_drv_uses_atomic_modeset(dev))
624			drm_atomic_helper_shutdown(dev);
625		else
626			drm_helper_force_disable_all(dev);
627	}
628
629	/* disable hotplug interrupts */
630	drm_connector_list_iter_begin(dev, &conn_iter);
631	nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
632		struct nouveau_connector *conn = nouveau_connector(connector);
633		nvif_event_block(&conn->irq);
634		nvif_event_block(&conn->hpd);
635	}
636	drm_connector_list_iter_end(&conn_iter);
637
638	if (!runtime)
639		cancel_work_sync(&drm->hpd_work);
640
641	drm_kms_helper_poll_disable(dev);
642	disp->fini(dev, runtime, suspend);
643}
644
645static void
646nouveau_display_create_properties(struct drm_device *dev)
647{
648	struct nouveau_display *disp = nouveau_display(dev);
649	int gen;
650
651	if (disp->disp.object.oclass < NV50_DISP)
652		gen = 0;
653	else
654	if (disp->disp.object.oclass < GF110_DISP)
655		gen = 1;
656	else
657		gen = 2;
658
659	PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
660	PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
661	PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
662
663	disp->underscan_hborder_property =
664		drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
665
666	disp->underscan_vborder_property =
667		drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
668
669	if (gen < 1)
670		return;
671
672	/* -90..+90 */
673	disp->vibrant_hue_property =
674		drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
675
676	/* -100..+100 */
677	disp->color_vibrance_property =
678		drm_property_create_range(dev, 0, "color vibrance", 0, 200);
679}
680
681int
682nouveau_display_create(struct drm_device *dev)
683{
684	struct nouveau_drm *drm = nouveau_drm(dev);
685	struct nouveau_display *disp;
686	int ret;
687
688	disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
689	if (!disp)
690		return -ENOMEM;
691
692	drm_mode_config_init(dev);
693	drm_mode_create_scaling_mode_property(dev);
694	drm_mode_create_dvi_i_properties(dev);
695
696	dev->mode_config.funcs = &nouveau_mode_config_funcs;
697
698	dev->mode_config.min_width = 0;
699	dev->mode_config.min_height = 0;
700	if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
701		dev->mode_config.max_width = 2048;
702		dev->mode_config.max_height = 2048;
703	} else
704	if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
705		dev->mode_config.max_width = 4096;
706		dev->mode_config.max_height = 4096;
707	} else
708	if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
709		dev->mode_config.max_width = 8192;
710		dev->mode_config.max_height = 8192;
711	} else {
712		dev->mode_config.max_width = 16384;
713		dev->mode_config.max_height = 16384;
714	}
715
716	dev->mode_config.preferred_depth = 24;
717	dev->mode_config.prefer_shadow = 1;
718
719	if (drm->client.device.info.chipset < 0x11)
720		dev->mode_config.async_page_flip = false;
721	else
722		dev->mode_config.async_page_flip = true;
723
724	drm_kms_helper_poll_init(dev);
725	drm_kms_helper_poll_disable(dev);
726
727	if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
728		ret = nvif_disp_ctor(&drm->client.device, "kmsDisp", 0,
729				     &disp->disp);
730		if (ret == 0) {
731			nouveau_display_create_properties(dev);
732			if (disp->disp.object.oclass < NV50_DISP) {
733				dev->mode_config.fb_modifiers_not_supported = true;
734				ret = nv04_display_create(dev);
735			} else {
736				ret = nv50_display_create(dev);
737			}
738		}
739	} else {
740		ret = 0;
741	}
742
743	if (ret)
744		goto disp_create_err;
745
746	drm_mode_config_reset(dev);
747
748	if (dev->mode_config.num_crtc) {
749		ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
750		if (ret)
751			goto vblank_err;
752
753		if (disp->disp.object.oclass >= NV50_DISP)
754			nv50_crc_init(dev);
755	}
756
757	INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
758	spin_lock_init(&drm->hpd_lock);
759#ifdef CONFIG_ACPI
760	drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
761	register_acpi_notifier(&drm->acpi_nb);
762#endif
763
764	return 0;
765
766vblank_err:
767	disp->dtor(dev);
768disp_create_err:
769	drm_kms_helper_poll_fini(dev);
770	drm_mode_config_cleanup(dev);
771	return ret;
772}
773
774void
775nouveau_display_destroy(struct drm_device *dev)
776{
777	struct nouveau_display *disp = nouveau_display(dev);
778	struct nouveau_drm *drm = nouveau_drm(dev);
779
780#ifdef CONFIG_ACPI
781	unregister_acpi_notifier(&drm->acpi_nb);
782#endif
783
784	drm_kms_helper_poll_fini(dev);
785	drm_mode_config_cleanup(dev);
786
787	if (disp->dtor)
788		disp->dtor(dev);
789
790	nvif_disp_dtor(&disp->disp);
791
792	drm->display = NULL;
793	kfree(disp);
794}
795
796int
797nouveau_display_suspend(struct drm_device *dev, bool runtime)
798{
799	struct nouveau_display *disp = nouveau_display(dev);
800
801	/* Disable console. */
802	drm_fb_helper_set_suspend_unlocked(dev->fb_helper, true);
803
804	if (drm_drv_uses_atomic_modeset(dev)) {
805		if (!runtime) {
806			disp->suspend = drm_atomic_helper_suspend(dev);
807			if (IS_ERR(disp->suspend)) {
808				int ret = PTR_ERR(disp->suspend);
809				disp->suspend = NULL;
810				return ret;
811			}
812		}
813	}
814
815	nouveau_display_fini(dev, true, runtime);
816	return 0;
817}
818
819void
820nouveau_display_resume(struct drm_device *dev, bool runtime)
821{
822	struct nouveau_display *disp = nouveau_display(dev);
823
824	nouveau_display_init(dev, true, runtime);
825
826	if (drm_drv_uses_atomic_modeset(dev)) {
827		if (disp->suspend) {
828			drm_atomic_helper_resume(dev, disp->suspend);
829			disp->suspend = NULL;
830		}
831	}
832
833	/* Enable console. */
834	drm_fb_helper_set_suspend_unlocked(dev->fb_helper, false);
835}
836
837int
838nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
839			    struct drm_mode_create_dumb *args)
840{
841	struct nouveau_cli *cli = nouveau_cli(file_priv);
842	struct nouveau_bo *bo;
843	uint32_t domain;
844	int ret;
845
846	args->pitch = roundup(args->width * (args->bpp / 8), 256);
847	args->size = args->pitch * args->height;
848	args->size = roundup(args->size, PAGE_SIZE);
849
850	/* Use VRAM if there is any ; otherwise fallback to system memory */
851	if (nouveau_drm(dev)->client.device.info.ram_size != 0)
852		domain = NOUVEAU_GEM_DOMAIN_VRAM;
853	else
854		domain = NOUVEAU_GEM_DOMAIN_GART;
855
856	ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
857	if (ret)
858		return ret;
859
860	ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle);
861	drm_gem_object_put(&bo->bo.base);
862	return ret;
863}
864