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.
27 #include <acpi/video.h>
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_probe_helper.h>
35 #include <drm/drm_vblank.h>
37 #include "nouveau_fbcon.h"
38 #include "nouveau_crtc.h"
39 #include "nouveau_gem.h"
40 #include "nouveau_connector.h"
41 #include "nv50_display.h"
43 #include <nvif/class.h>
44 #include <nvif/cl0046.h>
45 #include <nvif/event.h>
48 nouveau_display_vblank_handler(struct nvif_notify *notify)
50 struct nouveau_crtc *nv_crtc =
51 container_of(notify, typeof(*nv_crtc), vblank);
52 drm_crtc_handle_vblank(&nv_crtc->base);
53 return NVIF_NOTIFY_KEEP;
57 nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe)
59 struct drm_crtc *crtc;
60 struct nouveau_crtc *nv_crtc;
62 crtc = drm_crtc_from_index(dev, pipe);
66 nv_crtc = nouveau_crtc(crtc);
67 nvif_notify_get(&nv_crtc->vblank);
73 nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe)
75 struct drm_crtc *crtc;
76 struct nouveau_crtc *nv_crtc;
78 crtc = drm_crtc_from_index(dev, pipe);
82 nv_crtc = nouveau_crtc(crtc);
83 nvif_notify_put(&nv_crtc->vblank);
87 calc(int blanks, int blanke, int total, int line)
89 if (blanke >= blanks) {
101 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
102 ktime_t *stime, ktime_t *etime)
105 struct nv04_disp_mthd_v0 base;
106 struct nv04_disp_scanoutpos_v0 scan;
108 .base.method = NV04_DISP_SCANOUTPOS,
109 .base.head = nouveau_crtc(crtc)->index,
111 struct nouveau_display *disp = nouveau_display(crtc->dev);
112 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
117 ret = nvif_mthd(&disp->disp.object, 0, &args, sizeof(args));
121 if (args.scan.vline) {
126 if (retry) ndelay(vblank->linedur_ns);
129 *hpos = args.scan.hline;
130 *vpos = calc(args.scan.vblanks, args.scan.vblanke,
131 args.scan.vtotal, args.scan.vline);
132 if (stime) *stime = ns_to_ktime(args.scan.time[0]);
133 if (etime) *etime = ns_to_ktime(args.scan.time[1]);
139 nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe,
140 bool in_vblank_irq, int *vpos, int *hpos,
141 ktime_t *stime, ktime_t *etime,
142 const struct drm_display_mode *mode)
144 struct drm_crtc *crtc;
146 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
147 if (nouveau_crtc(crtc)->index == pipe) {
148 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
157 nouveau_display_vblank_fini(struct drm_device *dev)
159 struct drm_crtc *crtc;
161 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
162 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
163 nvif_notify_fini(&nv_crtc->vblank);
168 nouveau_display_vblank_init(struct drm_device *dev)
170 struct nouveau_display *disp = nouveau_display(dev);
171 struct drm_crtc *crtc;
174 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
175 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
176 ret = nvif_notify_init(&disp->disp.object,
177 nouveau_display_vblank_handler, false,
178 NV04_DISP_NTFY_VBLANK,
179 &(struct nvif_notify_head_req_v0) {
180 .head = nv_crtc->index,
182 sizeof(struct nvif_notify_head_req_v0),
183 sizeof(struct nvif_notify_head_rep_v0),
186 nouveau_display_vblank_fini(dev);
191 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
193 nouveau_display_vblank_fini(dev);
201 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
203 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
206 drm_gem_object_put_unlocked(&fb->nvbo->bo.base);
208 drm_framebuffer_cleanup(drm_fb);
213 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
214 struct drm_file *file_priv,
215 unsigned int *handle)
217 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
219 return drm_gem_handle_create(file_priv, &fb->nvbo->bo.base, handle);
222 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
223 .destroy = nouveau_user_framebuffer_destroy,
224 .create_handle = nouveau_user_framebuffer_create_handle,
228 nouveau_framebuffer_new(struct drm_device *dev,
229 const struct drm_mode_fb_cmd2 *mode_cmd,
230 struct nouveau_bo *nvbo,
231 struct nouveau_framebuffer **pfb)
233 struct nouveau_drm *drm = nouveau_drm(dev);
234 struct nouveau_framebuffer *fb;
237 /* YUV overlays have special requirements pre-NV50 */
238 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA &&
240 (mode_cmd->pixel_format == DRM_FORMAT_YUYV ||
241 mode_cmd->pixel_format == DRM_FORMAT_UYVY ||
242 mode_cmd->pixel_format == DRM_FORMAT_NV12 ||
243 mode_cmd->pixel_format == DRM_FORMAT_NV21) &&
244 (mode_cmd->pitches[0] & 0x3f || /* align 64 */
245 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */
246 (mode_cmd->pitches[1] && /* pitches for planes must match */
247 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) {
248 struct drm_format_name_buf format_name;
249 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n",
250 drm_get_format_name(mode_cmd->pixel_format,
252 mode_cmd->pitches[0],
253 mode_cmd->pitches[1]);
257 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
260 drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd);
263 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
269 struct drm_framebuffer *
270 nouveau_user_framebuffer_create(struct drm_device *dev,
271 struct drm_file *file_priv,
272 const struct drm_mode_fb_cmd2 *mode_cmd)
274 struct nouveau_framebuffer *fb;
275 struct nouveau_bo *nvbo;
276 struct drm_gem_object *gem;
279 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
281 return ERR_PTR(-ENOENT);
282 nvbo = nouveau_gem_object(gem);
284 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb);
288 drm_gem_object_put_unlocked(gem);
292 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
293 .fb_create = nouveau_user_framebuffer_create,
294 .output_poll_changed = nouveau_fbcon_output_poll_changed,
298 struct nouveau_drm_prop_enum_list {
304 static struct nouveau_drm_prop_enum_list underscan[] = {
305 { 6, UNDERSCAN_AUTO, "auto" },
306 { 6, UNDERSCAN_OFF, "off" },
307 { 6, UNDERSCAN_ON, "on" },
311 static struct nouveau_drm_prop_enum_list dither_mode[] = {
312 { 7, DITHERING_MODE_AUTO, "auto" },
313 { 7, DITHERING_MODE_OFF, "off" },
314 { 1, DITHERING_MODE_ON, "on" },
315 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
316 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
317 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
321 static struct nouveau_drm_prop_enum_list dither_depth[] = {
322 { 6, DITHERING_DEPTH_AUTO, "auto" },
323 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
324 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
328 #define PROP_ENUM(p,gen,n,list) do { \
329 struct nouveau_drm_prop_enum_list *l = (list); \
331 while (l->gen_mask) { \
332 if (l->gen_mask & (1 << (gen))) \
337 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
339 while (p && l->gen_mask) { \
340 if (l->gen_mask & (1 << (gen))) { \
341 drm_property_add_enum(p, l->type, l->name); \
349 nouveau_display_hpd_work(struct work_struct *work)
351 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
353 pm_runtime_get_sync(drm->dev->dev);
355 drm_helper_hpd_irq_event(drm->dev);
357 pm_runtime_mark_last_busy(drm->dev->dev);
358 pm_runtime_put_sync(drm->dev->dev);
364 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
367 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
368 struct acpi_bus_event *info = data;
371 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
372 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
373 ret = pm_runtime_get(drm->dev->dev);
374 if (ret == 1 || ret == -EACCES) {
375 /* If the GPU is already awake, or in a state
376 * where we can't wake it up, it can handle
377 * it's own hotplug events.
379 pm_runtime_put_autosuspend(drm->dev->dev);
380 } else if (ret == 0) {
381 /* This may be the only indication we receive
382 * of a connector hotplug on a runtime
383 * suspended GPU, schedule hpd_work to check.
385 NV_DEBUG(drm, "ACPI requested connector reprobe\n");
386 schedule_work(&drm->hpd_work);
387 pm_runtime_put_noidle(drm->dev->dev);
389 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
393 /* acpi-video should not generate keypresses for this */
403 nouveau_display_init(struct drm_device *dev, bool resume, bool runtime)
405 struct nouveau_display *disp = nouveau_display(dev);
406 struct drm_connector *connector;
407 struct drm_connector_list_iter conn_iter;
410 ret = disp->init(dev, resume, runtime);
414 /* enable connector detection and polling for connectors without HPD
417 drm_kms_helper_poll_enable(dev);
419 /* enable hotplug interrupts */
420 drm_connector_list_iter_begin(dev, &conn_iter);
421 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
422 struct nouveau_connector *conn = nouveau_connector(connector);
423 nvif_notify_get(&conn->hpd);
425 drm_connector_list_iter_end(&conn_iter);
431 nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
433 struct nouveau_display *disp = nouveau_display(dev);
434 struct nouveau_drm *drm = nouveau_drm(dev);
435 struct drm_connector *connector;
436 struct drm_connector_list_iter conn_iter;
439 if (drm_drv_uses_atomic_modeset(dev))
440 drm_atomic_helper_shutdown(dev);
442 drm_helper_force_disable_all(dev);
445 /* disable hotplug interrupts */
446 drm_connector_list_iter_begin(dev, &conn_iter);
447 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
448 struct nouveau_connector *conn = nouveau_connector(connector);
449 nvif_notify_put(&conn->hpd);
451 drm_connector_list_iter_end(&conn_iter);
454 cancel_work_sync(&drm->hpd_work);
456 drm_kms_helper_poll_disable(dev);
457 disp->fini(dev, suspend);
461 nouveau_display_create_properties(struct drm_device *dev)
463 struct nouveau_display *disp = nouveau_display(dev);
466 if (disp->disp.object.oclass < NV50_DISP)
469 if (disp->disp.object.oclass < GF110_DISP)
474 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
475 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
476 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
478 disp->underscan_hborder_property =
479 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
481 disp->underscan_vborder_property =
482 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
488 disp->vibrant_hue_property =
489 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
492 disp->color_vibrance_property =
493 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
497 nouveau_display_create(struct drm_device *dev)
499 struct nouveau_drm *drm = nouveau_drm(dev);
500 struct nvkm_device *device = nvxx_device(&drm->client.device);
501 struct nouveau_display *disp;
504 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
508 drm_mode_config_init(dev);
509 drm_mode_create_scaling_mode_property(dev);
510 drm_mode_create_dvi_i_properties(dev);
512 dev->mode_config.funcs = &nouveau_mode_config_funcs;
513 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
515 dev->mode_config.min_width = 0;
516 dev->mode_config.min_height = 0;
517 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
518 dev->mode_config.max_width = 2048;
519 dev->mode_config.max_height = 2048;
521 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
522 dev->mode_config.max_width = 4096;
523 dev->mode_config.max_height = 4096;
525 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
526 dev->mode_config.max_width = 8192;
527 dev->mode_config.max_height = 8192;
529 dev->mode_config.max_width = 16384;
530 dev->mode_config.max_height = 16384;
533 dev->mode_config.preferred_depth = 24;
534 dev->mode_config.prefer_shadow = 1;
536 if (drm->client.device.info.chipset < 0x11)
537 dev->mode_config.async_page_flip = false;
539 dev->mode_config.async_page_flip = true;
541 drm_kms_helper_poll_init(dev);
542 drm_kms_helper_poll_disable(dev);
544 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
545 ret = nvif_disp_ctor(&drm->client.device, 0, &disp->disp);
547 nouveau_display_create_properties(dev);
548 if (disp->disp.object.oclass < NV50_DISP)
549 ret = nv04_display_create(dev);
551 ret = nv50_display_create(dev);
558 goto disp_create_err;
560 drm_mode_config_reset(dev);
562 if (dev->mode_config.num_crtc) {
563 ret = nouveau_display_vblank_init(dev);
568 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
570 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
571 register_acpi_notifier(&drm->acpi_nb);
579 drm_kms_helper_poll_fini(dev);
580 drm_mode_config_cleanup(dev);
585 nouveau_display_destroy(struct drm_device *dev)
587 struct nouveau_display *disp = nouveau_display(dev);
590 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb);
592 nouveau_display_vblank_fini(dev);
594 drm_kms_helper_poll_fini(dev);
595 drm_mode_config_cleanup(dev);
600 nvif_disp_dtor(&disp->disp);
602 nouveau_drm(dev)->display = NULL;
607 nouveau_display_suspend(struct drm_device *dev, bool runtime)
609 struct nouveau_display *disp = nouveau_display(dev);
611 if (drm_drv_uses_atomic_modeset(dev)) {
613 disp->suspend = drm_atomic_helper_suspend(dev);
614 if (IS_ERR(disp->suspend)) {
615 int ret = PTR_ERR(disp->suspend);
616 disp->suspend = NULL;
622 nouveau_display_fini(dev, true, runtime);
627 nouveau_display_resume(struct drm_device *dev, bool runtime)
629 struct nouveau_display *disp = nouveau_display(dev);
631 nouveau_display_init(dev, true, runtime);
633 if (drm_drv_uses_atomic_modeset(dev)) {
635 drm_atomic_helper_resume(dev, disp->suspend);
636 disp->suspend = NULL;
643 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
644 struct drm_mode_create_dumb *args)
646 struct nouveau_cli *cli = nouveau_cli(file_priv);
647 struct nouveau_bo *bo;
651 args->pitch = roundup(args->width * (args->bpp / 8), 256);
652 args->size = args->pitch * args->height;
653 args->size = roundup(args->size, PAGE_SIZE);
655 /* Use VRAM if there is any ; otherwise fallback to system memory */
656 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
657 domain = NOUVEAU_GEM_DOMAIN_VRAM;
659 domain = NOUVEAU_GEM_DOMAIN_GART;
661 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
665 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle);
666 drm_gem_object_put_unlocked(&bo->bo.base);
671 nouveau_display_dumb_map_offset(struct drm_file *file_priv,
672 struct drm_device *dev,
673 uint32_t handle, uint64_t *poffset)
675 struct drm_gem_object *gem;
677 gem = drm_gem_object_lookup(file_priv, handle);
679 struct nouveau_bo *bo = nouveau_gem_object(gem);
680 *poffset = drm_vma_node_offset_addr(&bo->bo.base.vma_node);
681 drm_gem_object_put_unlocked(gem);