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1/*2 * Copyright (C) 2008 Maarten Maathuis.3 * All Rights Reserved.4 *5 * Permission is hereby granted, free of charge, to any person obtaining6 * a copy of this software and associated documentation files (the7 * "Software"), to deal in the Software without restriction, including8 * without limitation the rights to use, copy, modify, merge, publish,9 * distribute, sublicense, and/or sell copies of the Software, and to10 * permit persons to whom the Software is furnished to do so, subject to11 * the following conditions:12 *13 * The above copyright notice and this permission notice (including the14 * next paragraph) shall be included in all copies or substantial15 * 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 OF19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION23 * 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 48int49nouveau_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 59void60nouveau_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 int69calc(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 bool83nouveau_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 = drm_crtc_vblank_crtc(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 115bool116nouveau_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 void131nouveau_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 corresponding146 * 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 162void163nouveau_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_INVALID187};188 189static int190nouveau_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_t224nouveau_get_width_in_blocks(uint32_t stride)225{226 /* GOBs per block in the x direction is always one, and GOBs are227 * 64 bytes wide228 */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_t235nouveau_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 else247 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 int255nouveau_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 else276 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 293int294nouveau_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};395 396 397struct nouveau_drm_prop_enum_list {398 u8 gen_mask;399 int type;400 char *name;401};402 403static struct nouveau_drm_prop_enum_list underscan[] = {404 { 6, UNDERSCAN_AUTO, "auto" },405 { 6, UNDERSCAN_OFF, "off" },406 { 6, UNDERSCAN_ON, "on" },407 {}408};409 410static struct nouveau_drm_prop_enum_list dither_mode[] = {411 { 7, DITHERING_MODE_AUTO, "auto" },412 { 7, DITHERING_MODE_OFF, "off" },413 { 1, DITHERING_MODE_ON, "on" },414 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },415 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },416 { 4, DITHERING_MODE_TEMPORAL, "temporal" },417 {}418};419 420static struct nouveau_drm_prop_enum_list dither_depth[] = {421 { 6, DITHERING_DEPTH_AUTO, "auto" },422 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },423 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },424 {}425};426 427#define PROP_ENUM(p,gen,n,list) do { \428 struct nouveau_drm_prop_enum_list *l = (list); \429 int c = 0; \430 while (l->gen_mask) { \431 if (l->gen_mask & (1 << (gen))) \432 c++; \433 l++; \434 } \435 if (c) { \436 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \437 l = (list); \438 while (p && l->gen_mask) { \439 if (l->gen_mask & (1 << (gen))) { \440 drm_property_add_enum(p, l->type, l->name); \441 } \442 l++; \443 } \444 } \445} while(0)446 447void448nouveau_display_hpd_resume(struct nouveau_drm *drm)449{450 if (drm->headless)451 return;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 void461nouveau_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_ACPI543 544static int545nouveau_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 state557 * where we can't wake it up, it can handle558 * 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, so563 * it will handle scheduling a full reprobe564 * itself565 */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#endif581 582int583nouveau_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 need592 * 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 HPD607 * support608 */609 drm_kms_helper_poll_enable(dev);610 611 return ret;612}613 614void615nouveau_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 else626 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 && !drm->headless)639 cancel_work_sync(&drm->hpd_work);640 641 drm_kms_helper_poll_disable(dev);642 disp->fini(dev, runtime, suspend);643}644 645static void646nouveau_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 else654 if (disp->disp.object.oclass < GF110_DISP)655 gen = 1;656 else657 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 681int682nouveau_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 } else704 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 } else708 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 else722 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) {728 ret = nvif_disp_ctor(&drm->client.device, "kmsDisp", 0, &disp->disp);729 /* no display hw */730 if (ret == -ENODEV) {731 ret = 0;732 drm->headless = true;733 goto disp_create_err;734 }735 736 if (!ret && (disp->disp.outp_mask || drm->vbios.dcb.entries)) {737 nouveau_display_create_properties(dev);738 if (disp->disp.object.oclass < NV50_DISP) {739 dev->mode_config.fb_modifiers_not_supported = true;740 ret = nv04_display_create(dev);741 } else {742 ret = nv50_display_create(dev);743 }744 }745 } else {746 ret = 0;747 }748 749 if (ret)750 goto disp_create_err;751 752 drm_mode_config_reset(dev);753 754 if (dev->mode_config.num_crtc) {755 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);756 if (ret)757 goto vblank_err;758 759 if (disp->disp.object.oclass >= NV50_DISP)760 nv50_crc_init(dev);761 }762 763 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);764 spin_lock_init(&drm->hpd_lock);765#ifdef CONFIG_ACPI766 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;767 register_acpi_notifier(&drm->acpi_nb);768#endif769 770 return 0;771 772vblank_err:773 disp->dtor(dev);774disp_create_err:775 drm_kms_helper_poll_fini(dev);776 drm_mode_config_cleanup(dev);777 return ret;778}779 780void781nouveau_display_destroy(struct drm_device *dev)782{783 struct nouveau_display *disp = nouveau_display(dev);784 struct nouveau_drm *drm = nouveau_drm(dev);785 786#ifdef CONFIG_ACPI787 unregister_acpi_notifier(&drm->acpi_nb);788#endif789 790 drm_kms_helper_poll_fini(dev);791 drm_mode_config_cleanup(dev);792 793 if (disp->dtor)794 disp->dtor(dev);795 796 nvif_disp_dtor(&disp->disp);797 798 drm->display = NULL;799 kfree(disp);800}801 802int803nouveau_display_suspend(struct drm_device *dev, bool runtime)804{805 struct nouveau_display *disp = nouveau_display(dev);806 807 /* Disable console. */808 drm_fb_helper_set_suspend_unlocked(dev->fb_helper, true);809 810 if (drm_drv_uses_atomic_modeset(dev)) {811 if (!runtime) {812 disp->suspend = drm_atomic_helper_suspend(dev);813 if (IS_ERR(disp->suspend)) {814 int ret = PTR_ERR(disp->suspend);815 disp->suspend = NULL;816 return ret;817 }818 }819 }820 821 nouveau_display_fini(dev, true, runtime);822 return 0;823}824 825void826nouveau_display_resume(struct drm_device *dev, bool runtime)827{828 struct nouveau_display *disp = nouveau_display(dev);829 830 nouveau_display_init(dev, true, runtime);831 832 if (drm_drv_uses_atomic_modeset(dev)) {833 if (disp->suspend) {834 drm_atomic_helper_resume(dev, disp->suspend);835 disp->suspend = NULL;836 }837 }838 839 /* Enable console. */840 drm_fb_helper_set_suspend_unlocked(dev->fb_helper, false);841}842 843int844nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,845 struct drm_mode_create_dumb *args)846{847 struct nouveau_cli *cli = nouveau_cli(file_priv);848 struct nouveau_bo *bo;849 uint32_t domain;850 int ret;851 852 args->pitch = roundup(args->width * (args->bpp / 8), 256);853 args->size = args->pitch * args->height;854 args->size = roundup(args->size, PAGE_SIZE);855 856 /* Use VRAM if there is any ; otherwise fallback to system memory */857 if (nouveau_drm(dev)->client.device.info.ram_size != 0)858 domain = NOUVEAU_GEM_DOMAIN_VRAM;859 else860 domain = NOUVEAU_GEM_DOMAIN_GART;861 862 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);863 if (ret)864 return ret;865 866 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle);867 drm_gem_object_put(&bo->bo.base);868 return ret;869}870