2 * Copyright (C) 2008 Maarten Maathuis.
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:
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.
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.
28 #include "drm_crtc_helper.h"
29 #include "nouveau_drv.h"
30 #include "nouveau_fb.h"
31 #include "nouveau_fbcon.h"
32 #include "nouveau_hw.h"
33 #include "nouveau_crtc.h"
34 #include "nouveau_dma.h"
35 #include "nouveau_connector.h"
36 #include "nouveau_gpio.h"
37 #include "nv50_display.h"
40 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
42 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
45 drm_gem_object_unreference_unlocked(fb->nvbo->gem);
47 drm_framebuffer_cleanup(drm_fb);
52 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
53 struct drm_file *file_priv,
56 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
58 return drm_gem_handle_create(file_priv, fb->nvbo->gem, handle);
61 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
62 .destroy = nouveau_user_framebuffer_destroy,
63 .create_handle = nouveau_user_framebuffer_create_handle,
67 nouveau_framebuffer_init(struct drm_device *dev,
68 struct nouveau_framebuffer *nv_fb,
69 struct drm_mode_fb_cmd2 *mode_cmd,
70 struct nouveau_bo *nvbo)
72 struct drm_nouveau_private *dev_priv = dev->dev_private;
73 struct drm_framebuffer *fb = &nv_fb->base;
76 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
81 drm_helper_mode_fill_fb_struct(fb, mode_cmd);
84 if (dev_priv->card_type >= NV_50) {
85 u32 tile_flags = nouveau_bo_tile_layout(nvbo);
86 if (tile_flags == 0x7a00 ||
88 nv_fb->r_dma = NvEvoFB32;
90 if (tile_flags == 0x7000)
91 nv_fb->r_dma = NvEvoFB16;
93 nv_fb->r_dma = NvEvoVRAM_LP;
96 case 8: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_8; break;
97 case 15: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_15; break;
98 case 16: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_16; break;
100 case 32: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_24; break;
101 case 30: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_30; break;
103 NV_ERROR(dev, "unknown depth %d\n", fb->depth);
107 if (dev_priv->chipset == 0x50)
108 nv_fb->r_format |= (tile_flags << 8);
111 if (dev_priv->card_type < NV_D0)
112 nv_fb->r_pitch = 0x00100000 | fb->pitches[0];
114 nv_fb->r_pitch = 0x01000000 | fb->pitches[0];
116 u32 mode = nvbo->tile_mode;
117 if (dev_priv->card_type >= NV_C0)
119 nv_fb->r_pitch = ((fb->pitches[0] / 4) << 4) | mode;
126 static struct drm_framebuffer *
127 nouveau_user_framebuffer_create(struct drm_device *dev,
128 struct drm_file *file_priv,
129 struct drm_mode_fb_cmd2 *mode_cmd)
131 struct nouveau_framebuffer *nouveau_fb;
132 struct drm_gem_object *gem;
135 gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
137 return ERR_PTR(-ENOENT);
139 nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
141 return ERR_PTR(-ENOMEM);
143 ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem));
145 drm_gem_object_unreference(gem);
149 return &nouveau_fb->base;
152 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
153 .fb_create = nouveau_user_framebuffer_create,
154 .output_poll_changed = nouveau_fbcon_output_poll_changed,
158 struct nouveau_drm_prop_enum_list {
164 static struct nouveau_drm_prop_enum_list underscan[] = {
165 { 6, UNDERSCAN_AUTO, "auto" },
166 { 6, UNDERSCAN_OFF, "off" },
167 { 6, UNDERSCAN_ON, "on" },
171 static struct nouveau_drm_prop_enum_list dither_mode[] = {
172 { 7, DITHERING_MODE_AUTO, "auto" },
173 { 7, DITHERING_MODE_OFF, "off" },
174 { 1, DITHERING_MODE_ON, "on" },
175 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
176 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
177 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
181 static struct nouveau_drm_prop_enum_list dither_depth[] = {
182 { 6, DITHERING_DEPTH_AUTO, "auto" },
183 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
184 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
188 #define PROP_ENUM(p,gen,n,list) do { \
189 struct nouveau_drm_prop_enum_list *l = (list); \
191 while (l->gen_mask) { \
192 if (l->gen_mask & (1 << (gen))) \
197 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
200 while (p && l->gen_mask) { \
201 if (l->gen_mask & (1 << (gen))) { \
202 drm_property_add_enum(p, c, l->type, l->name); \
211 nouveau_display_init(struct drm_device *dev)
213 struct drm_nouveau_private *dev_priv = dev->dev_private;
214 struct nouveau_display_engine *disp = &dev_priv->engine.display;
215 struct drm_connector *connector;
218 ret = disp->init(dev);
222 /* power on internal panel if it's not already. the init tables of
223 * some vbios default this to off for some reason, causing the
224 * panel to not work after resume
226 if (nouveau_gpio_func_get(dev, DCB_GPIO_PANEL_POWER) == 0) {
227 nouveau_gpio_func_set(dev, DCB_GPIO_PANEL_POWER, true);
231 /* enable polling for external displays */
232 drm_kms_helper_poll_enable(dev);
234 /* enable hotplug interrupts */
235 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
236 struct nouveau_connector *conn = nouveau_connector(connector);
237 nouveau_gpio_irq(dev, 0, conn->hpd, 0xff, true);
244 nouveau_display_fini(struct drm_device *dev)
246 struct drm_nouveau_private *dev_priv = dev->dev_private;
247 struct nouveau_display_engine *disp = &dev_priv->engine.display;
248 struct drm_connector *connector;
250 /* disable hotplug interrupts */
251 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
252 struct nouveau_connector *conn = nouveau_connector(connector);
253 nouveau_gpio_irq(dev, 0, conn->hpd, 0xff, false);
256 drm_kms_helper_poll_disable(dev);
261 nouveau_display_create(struct drm_device *dev)
263 struct drm_nouveau_private *dev_priv = dev->dev_private;
264 struct nouveau_display_engine *disp = &dev_priv->engine.display;
267 drm_mode_config_init(dev);
268 drm_mode_create_scaling_mode_property(dev);
269 drm_mode_create_dvi_i_properties(dev);
271 if (dev_priv->card_type < NV_50)
274 if (dev_priv->card_type < NV_D0)
279 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
280 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
281 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
283 disp->underscan_hborder_property =
284 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
286 disp->underscan_vborder_property =
287 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
289 dev->mode_config.funcs = (void *)&nouveau_mode_config_funcs;
290 dev->mode_config.fb_base = pci_resource_start(dev->pdev, 1);
292 dev->mode_config.min_width = 0;
293 dev->mode_config.min_height = 0;
294 if (dev_priv->card_type < NV_10) {
295 dev->mode_config.max_width = 2048;
296 dev->mode_config.max_height = 2048;
298 if (dev_priv->card_type < NV_50) {
299 dev->mode_config.max_width = 4096;
300 dev->mode_config.max_height = 4096;
302 dev->mode_config.max_width = 8192;
303 dev->mode_config.max_height = 8192;
306 drm_kms_helper_poll_init(dev);
307 drm_kms_helper_poll_disable(dev);
309 ret = disp->create(dev);
313 if (dev->mode_config.num_crtc) {
314 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
323 nouveau_display_destroy(struct drm_device *dev)
325 struct drm_nouveau_private *dev_priv = dev->dev_private;
326 struct nouveau_display_engine *disp = &dev_priv->engine.display;
328 drm_vblank_cleanup(dev);
332 drm_kms_helper_poll_fini(dev);
333 drm_mode_config_cleanup(dev);
337 nouveau_vblank_enable(struct drm_device *dev, int crtc)
339 struct drm_nouveau_private *dev_priv = dev->dev_private;
341 if (dev_priv->card_type >= NV_50)
342 nv_mask(dev, NV50_PDISPLAY_INTR_EN_1, 0,
343 NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc));
345 NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0,
346 NV_PCRTC_INTR_0_VBLANK);
352 nouveau_vblank_disable(struct drm_device *dev, int crtc)
354 struct drm_nouveau_private *dev_priv = dev->dev_private;
356 if (dev_priv->card_type >= NV_50)
357 nv_mask(dev, NV50_PDISPLAY_INTR_EN_1,
358 NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc), 0);
360 NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0, 0);
364 nouveau_page_flip_reserve(struct nouveau_bo *old_bo,
365 struct nouveau_bo *new_bo)
369 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM);
373 ret = ttm_bo_reserve(&new_bo->bo, false, false, false, 0);
377 ret = ttm_bo_reserve(&old_bo->bo, false, false, false, 0);
384 ttm_bo_unreserve(&new_bo->bo);
386 nouveau_bo_unpin(new_bo);
391 nouveau_page_flip_unreserve(struct nouveau_bo *old_bo,
392 struct nouveau_bo *new_bo,
393 struct nouveau_fence *fence)
395 nouveau_bo_fence(new_bo, fence);
396 ttm_bo_unreserve(&new_bo->bo);
398 nouveau_bo_fence(old_bo, fence);
399 ttm_bo_unreserve(&old_bo->bo);
401 nouveau_bo_unpin(old_bo);
405 nouveau_page_flip_emit(struct nouveau_channel *chan,
406 struct nouveau_bo *old_bo,
407 struct nouveau_bo *new_bo,
408 struct nouveau_page_flip_state *s,
409 struct nouveau_fence **pfence)
411 struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
412 struct drm_device *dev = chan->dev;
416 /* Queue it to the pending list */
417 spin_lock_irqsave(&dev->event_lock, flags);
418 list_add_tail(&s->head, &chan->nvsw.flip);
419 spin_unlock_irqrestore(&dev->event_lock, flags);
421 /* Synchronize with the old framebuffer */
422 ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan);
426 /* Emit the pageflip */
427 ret = RING_SPACE(chan, 2);
431 if (dev_priv->card_type < NV_C0)
432 BEGIN_RING(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
434 BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0500, 1);
438 ret = nouveau_fence_new(chan, pfence, true);
444 spin_lock_irqsave(&dev->event_lock, flags);
446 spin_unlock_irqrestore(&dev->event_lock, flags);
451 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
452 struct drm_pending_vblank_event *event)
454 struct drm_device *dev = crtc->dev;
455 struct drm_nouveau_private *dev_priv = dev->dev_private;
456 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo;
457 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
458 struct nouveau_page_flip_state *s;
459 struct nouveau_channel *chan;
460 struct nouveau_fence *fence;
463 if (!dev_priv->channel)
466 s = kzalloc(sizeof(*s), GFP_KERNEL);
470 /* Don't let the buffers go away while we flip */
471 ret = nouveau_page_flip_reserve(old_bo, new_bo);
475 /* Initialize a page flip struct */
476 *s = (struct nouveau_page_flip_state)
477 { { }, event, nouveau_crtc(crtc)->index,
478 fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y,
481 /* Choose the channel the flip will be handled in */
482 chan = nouveau_fence_channel(new_bo->bo.sync_obj);
484 chan = nouveau_channel_get_unlocked(dev_priv->channel);
485 mutex_lock(&chan->mutex);
487 /* Emit a page flip */
488 if (dev_priv->card_type >= NV_50) {
489 if (dev_priv->card_type >= NV_D0)
490 ret = nvd0_display_flip_next(crtc, fb, chan, 0);
492 ret = nv50_display_flip_next(crtc, fb, chan);
494 nouveau_channel_put(&chan);
499 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
500 nouveau_channel_put(&chan);
504 /* Update the crtc struct and cleanup */
507 nouveau_page_flip_unreserve(old_bo, new_bo, fence);
508 nouveau_fence_unref(&fence);
512 nouveau_page_flip_unreserve(old_bo, new_bo, NULL);
519 nouveau_finish_page_flip(struct nouveau_channel *chan,
520 struct nouveau_page_flip_state *ps)
522 struct drm_device *dev = chan->dev;
523 struct nouveau_page_flip_state *s;
526 spin_lock_irqsave(&dev->event_lock, flags);
528 if (list_empty(&chan->nvsw.flip)) {
529 NV_ERROR(dev, "Unexpected pageflip in channel %d.\n", chan->id);
530 spin_unlock_irqrestore(&dev->event_lock, flags);
534 s = list_first_entry(&chan->nvsw.flip,
535 struct nouveau_page_flip_state, head);
537 struct drm_pending_vblank_event *e = s->event;
540 do_gettimeofday(&now);
541 e->event.sequence = 0;
542 e->event.tv_sec = now.tv_sec;
543 e->event.tv_usec = now.tv_usec;
544 list_add_tail(&e->base.link, &e->base.file_priv->event_list);
545 wake_up_interruptible(&e->base.file_priv->event_wait);
553 spin_unlock_irqrestore(&dev->event_lock, flags);
558 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
559 struct drm_mode_create_dumb *args)
561 struct nouveau_bo *bo;
564 args->pitch = roundup(args->width * (args->bpp / 8), 256);
565 args->size = args->pitch * args->height;
566 args->size = roundup(args->size, PAGE_SIZE);
568 ret = nouveau_gem_new(dev, args->size, 0, TTM_PL_FLAG_VRAM, 0, 0, &bo);
572 ret = drm_gem_handle_create(file_priv, bo->gem, &args->handle);
573 drm_gem_object_unreference_unlocked(bo->gem);
578 nouveau_display_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev,
581 return drm_gem_handle_delete(file_priv, handle);
585 nouveau_display_dumb_map_offset(struct drm_file *file_priv,
586 struct drm_device *dev,
587 uint32_t handle, uint64_t *poffset)
589 struct drm_gem_object *gem;
591 gem = drm_gem_object_lookup(dev, file_priv, handle);
593 struct nouveau_bo *bo = gem->driver_private;
594 *poffset = bo->bo.addr_space_offset;
595 drm_gem_object_unreference_unlocked(gem);