| 1 | /* $NetBSD: nouveau_display.c,v 1.2 2014/08/06 15:01:33 riastradh Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (C) 2008 Maarten Maathuis. |
| 5 | * All Rights Reserved. |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining |
| 8 | * a copy of this software and associated documentation files (the |
| 9 | * "Software"), to deal in the Software without restriction, including |
| 10 | * without limitation the rights to use, copy, modify, merge, publish, |
| 11 | * distribute, sublicense, and/or sell copies of the Software, and to |
| 12 | * permit persons to whom the Software is furnished to do so, subject to |
| 13 | * the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice (including the |
| 16 | * next paragraph) shall be included in all copies or substantial |
| 17 | * portions of the Software. |
| 18 | * |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 20 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 22 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| 23 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 24 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 25 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 26 | * |
| 27 | */ |
| 28 | |
| 29 | #include <sys/cdefs.h> |
| 30 | __KERNEL_RCSID(0, "$NetBSD: nouveau_display.c,v 1.2 2014/08/06 15:01:33 riastradh Exp $" ); |
| 31 | |
| 32 | #include <linux/err.h> |
| 33 | |
| 34 | #include <drm/drmP.h> |
| 35 | #include <drm/drm_crtc_helper.h> |
| 36 | |
| 37 | #include "nouveau_fbcon.h" |
| 38 | #include "dispnv04/hw.h" |
| 39 | #include "nouveau_crtc.h" |
| 40 | #include "nouveau_dma.h" |
| 41 | #include "nouveau_gem.h" |
| 42 | #include "nouveau_connector.h" |
| 43 | #include "nv50_display.h" |
| 44 | |
| 45 | #include "nouveau_fence.h" |
| 46 | |
| 47 | #include <engine/disp.h> |
| 48 | |
| 49 | #include <core/class.h> |
| 50 | |
| 51 | static int |
| 52 | nouveau_display_vblank_handler(void *data, int head) |
| 53 | { |
| 54 | struct nouveau_drm *drm = data; |
| 55 | drm_handle_vblank(drm->dev, head); |
| 56 | return NVKM_EVENT_KEEP; |
| 57 | } |
| 58 | |
| 59 | int |
| 60 | nouveau_display_vblank_enable(struct drm_device *dev, int head) |
| 61 | { |
| 62 | struct nouveau_display *disp = nouveau_display(dev); |
| 63 | if (disp) { |
| 64 | nouveau_event_get(disp->vblank[head]); |
| 65 | return 0; |
| 66 | } |
| 67 | return -EIO; |
| 68 | } |
| 69 | |
| 70 | void |
| 71 | nouveau_display_vblank_disable(struct drm_device *dev, int head) |
| 72 | { |
| 73 | struct nouveau_display *disp = nouveau_display(dev); |
| 74 | if (disp) |
| 75 | nouveau_event_put(disp->vblank[head]); |
| 76 | } |
| 77 | |
| 78 | static inline int |
| 79 | calc(int blanks, int blanke, int total, int line) |
| 80 | { |
| 81 | if (blanke >= blanks) { |
| 82 | if (line >= blanks) |
| 83 | line -= total; |
| 84 | } else { |
| 85 | if (line >= blanks) |
| 86 | line -= total; |
| 87 | line -= blanke + 1; |
| 88 | } |
| 89 | return line; |
| 90 | } |
| 91 | |
| 92 | static int |
| 93 | nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos, |
| 94 | ktime_t *stime, ktime_t *etime) |
| 95 | { |
| 96 | const u32 mthd = NV04_DISP_SCANOUTPOS + nouveau_crtc(crtc)->index; |
| 97 | struct nouveau_display *disp = nouveau_display(crtc->dev); |
| 98 | struct nv04_display_scanoutpos args; |
| 99 | int ret, retry = 1; |
| 100 | |
| 101 | do { |
| 102 | ret = nv_exec(disp->core, mthd, &args, sizeof(args)); |
| 103 | if (ret != 0) |
| 104 | return 0; |
| 105 | |
| 106 | if (args.vline) { |
| 107 | ret |= DRM_SCANOUTPOS_ACCURATE; |
| 108 | ret |= DRM_SCANOUTPOS_VALID; |
| 109 | break; |
| 110 | } |
| 111 | |
| 112 | if (retry) ndelay(crtc->linedur_ns); |
| 113 | } while (retry--); |
| 114 | |
| 115 | *hpos = args.hline; |
| 116 | *vpos = calc(args.vblanks, args.vblanke, args.vtotal, args.vline); |
| 117 | if (stime) *stime = ns_to_ktime(args.time[0]); |
| 118 | if (etime) *etime = ns_to_ktime(args.time[1]); |
| 119 | |
| 120 | if (*vpos < 0) |
| 121 | ret |= DRM_SCANOUTPOS_INVBL; |
| 122 | return ret; |
| 123 | } |
| 124 | |
| 125 | int |
| 126 | nouveau_display_scanoutpos(struct drm_device *dev, int head, unsigned int flags, |
| 127 | int *vpos, int *hpos, ktime_t *stime, ktime_t *etime) |
| 128 | { |
| 129 | struct drm_crtc *crtc; |
| 130 | |
| 131 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| 132 | if (nouveau_crtc(crtc)->index == head) { |
| 133 | return nouveau_display_scanoutpos_head(crtc, vpos, hpos, |
| 134 | stime, etime); |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | return 0; |
| 139 | } |
| 140 | |
| 141 | int |
| 142 | nouveau_display_vblstamp(struct drm_device *dev, int head, int *max_error, |
| 143 | struct timeval *time, unsigned flags) |
| 144 | { |
| 145 | struct drm_crtc *crtc; |
| 146 | |
| 147 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| 148 | if (nouveau_crtc(crtc)->index == head) { |
| 149 | return drm_calc_vbltimestamp_from_scanoutpos(dev, |
| 150 | head, max_error, time, flags, crtc, |
| 151 | &crtc->hwmode); |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | return -EINVAL; |
| 156 | } |
| 157 | |
| 158 | static void |
| 159 | nouveau_display_vblank_fini(struct drm_device *dev) |
| 160 | { |
| 161 | struct nouveau_display *disp = nouveau_display(dev); |
| 162 | int i; |
| 163 | |
| 164 | drm_vblank_cleanup(dev); |
| 165 | |
| 166 | if (disp->vblank) { |
| 167 | for (i = 0; i < dev->mode_config.num_crtc; i++) |
| 168 | nouveau_event_ref(NULL, &disp->vblank[i]); |
| 169 | kfree(disp->vblank); |
| 170 | disp->vblank = NULL; |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | static int |
| 175 | nouveau_display_vblank_init(struct drm_device *dev) |
| 176 | { |
| 177 | struct nouveau_display *disp = nouveau_display(dev); |
| 178 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 179 | struct nouveau_disp *pdisp = nouveau_disp(drm->device); |
| 180 | int ret, i; |
| 181 | |
| 182 | disp->vblank = kzalloc(dev->mode_config.num_crtc * |
| 183 | sizeof(*disp->vblank), GFP_KERNEL); |
| 184 | if (!disp->vblank) |
| 185 | return -ENOMEM; |
| 186 | |
| 187 | for (i = 0; i < dev->mode_config.num_crtc; i++) { |
| 188 | ret = nouveau_event_new(pdisp->vblank, i, |
| 189 | nouveau_display_vblank_handler, |
| 190 | drm, &disp->vblank[i]); |
| 191 | if (ret) { |
| 192 | nouveau_display_vblank_fini(dev); |
| 193 | return ret; |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | ret = drm_vblank_init(dev, dev->mode_config.num_crtc); |
| 198 | if (ret) { |
| 199 | nouveau_display_vblank_fini(dev); |
| 200 | return ret; |
| 201 | } |
| 202 | |
| 203 | return 0; |
| 204 | } |
| 205 | |
| 206 | static void |
| 207 | nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb) |
| 208 | { |
| 209 | struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); |
| 210 | |
| 211 | if (fb->nvbo) |
| 212 | drm_gem_object_unreference_unlocked(&fb->nvbo->gem); |
| 213 | |
| 214 | drm_framebuffer_cleanup(drm_fb); |
| 215 | kfree(fb); |
| 216 | } |
| 217 | |
| 218 | static int |
| 219 | nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb, |
| 220 | struct drm_file *file_priv, |
| 221 | unsigned int *handle) |
| 222 | { |
| 223 | struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); |
| 224 | |
| 225 | return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle); |
| 226 | } |
| 227 | |
| 228 | static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { |
| 229 | .destroy = nouveau_user_framebuffer_destroy, |
| 230 | .create_handle = nouveau_user_framebuffer_create_handle, |
| 231 | }; |
| 232 | |
| 233 | int |
| 234 | nouveau_framebuffer_init(struct drm_device *dev, |
| 235 | struct nouveau_framebuffer *nv_fb, |
| 236 | struct drm_mode_fb_cmd2 *mode_cmd, |
| 237 | struct nouveau_bo *nvbo) |
| 238 | { |
| 239 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 240 | struct drm_framebuffer *fb = &nv_fb->base; |
| 241 | int ret; |
| 242 | |
| 243 | drm_helper_mode_fill_fb_struct(fb, mode_cmd); |
| 244 | nv_fb->nvbo = nvbo; |
| 245 | |
| 246 | if (nv_device(drm->device)->card_type >= NV_50) { |
| 247 | u32 tile_flags = nouveau_bo_tile_layout(nvbo); |
| 248 | if (tile_flags == 0x7a00 || |
| 249 | tile_flags == 0xfe00) |
| 250 | nv_fb->r_dma = NvEvoFB32; |
| 251 | else |
| 252 | if (tile_flags == 0x7000) |
| 253 | nv_fb->r_dma = NvEvoFB16; |
| 254 | else |
| 255 | nv_fb->r_dma = NvEvoVRAM_LP; |
| 256 | |
| 257 | switch (fb->depth) { |
| 258 | case 8: nv_fb->r_format = 0x1e00; break; |
| 259 | case 15: nv_fb->r_format = 0xe900; break; |
| 260 | case 16: nv_fb->r_format = 0xe800; break; |
| 261 | case 24: |
| 262 | case 32: nv_fb->r_format = 0xcf00; break; |
| 263 | case 30: nv_fb->r_format = 0xd100; break; |
| 264 | default: |
| 265 | NV_ERROR(drm, "unknown depth %d\n" , fb->depth); |
| 266 | return -EINVAL; |
| 267 | } |
| 268 | |
| 269 | if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG) { |
| 270 | NV_ERROR(drm, "framebuffer requires contiguous bo\n" ); |
| 271 | return -EINVAL; |
| 272 | } |
| 273 | |
| 274 | if (nv_device(drm->device)->chipset == 0x50) |
| 275 | nv_fb->r_format |= (tile_flags << 8); |
| 276 | |
| 277 | if (!tile_flags) { |
| 278 | if (nv_device(drm->device)->card_type < NV_D0) |
| 279 | nv_fb->r_pitch = 0x00100000 | fb->pitches[0]; |
| 280 | else |
| 281 | nv_fb->r_pitch = 0x01000000 | fb->pitches[0]; |
| 282 | } else { |
| 283 | u32 mode = nvbo->tile_mode; |
| 284 | if (nv_device(drm->device)->card_type >= NV_C0) |
| 285 | mode >>= 4; |
| 286 | nv_fb->r_pitch = ((fb->pitches[0] / 4) << 4) | mode; |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); |
| 291 | if (ret) { |
| 292 | return ret; |
| 293 | } |
| 294 | |
| 295 | return 0; |
| 296 | } |
| 297 | |
| 298 | static struct drm_framebuffer * |
| 299 | nouveau_user_framebuffer_create(struct drm_device *dev, |
| 300 | struct drm_file *file_priv, |
| 301 | struct drm_mode_fb_cmd2 *mode_cmd) |
| 302 | { |
| 303 | struct nouveau_framebuffer *nouveau_fb; |
| 304 | struct drm_gem_object *gem; |
| 305 | int ret = -ENOMEM; |
| 306 | |
| 307 | gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); |
| 308 | if (!gem) |
| 309 | return ERR_PTR(-ENOENT); |
| 310 | |
| 311 | nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL); |
| 312 | if (!nouveau_fb) |
| 313 | goto err_unref; |
| 314 | |
| 315 | ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem)); |
| 316 | if (ret) |
| 317 | goto err; |
| 318 | |
| 319 | return &nouveau_fb->base; |
| 320 | |
| 321 | err: |
| 322 | kfree(nouveau_fb); |
| 323 | err_unref: |
| 324 | drm_gem_object_unreference(gem); |
| 325 | return ERR_PTR(ret); |
| 326 | } |
| 327 | |
| 328 | static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { |
| 329 | .fb_create = nouveau_user_framebuffer_create, |
| 330 | .output_poll_changed = nouveau_fbcon_output_poll_changed, |
| 331 | }; |
| 332 | |
| 333 | |
| 334 | struct nouveau_drm_prop_enum_list { |
| 335 | u8 gen_mask; |
| 336 | int type; |
| 337 | const char *name; |
| 338 | }; |
| 339 | |
| 340 | static struct nouveau_drm_prop_enum_list underscan[] = { |
| 341 | { 6, UNDERSCAN_AUTO, "auto" }, |
| 342 | { 6, UNDERSCAN_OFF, "off" }, |
| 343 | { 6, UNDERSCAN_ON, "on" }, |
| 344 | {} |
| 345 | }; |
| 346 | |
| 347 | static struct nouveau_drm_prop_enum_list dither_mode[] = { |
| 348 | { 7, DITHERING_MODE_AUTO, "auto" }, |
| 349 | { 7, DITHERING_MODE_OFF, "off" }, |
| 350 | { 1, DITHERING_MODE_ON, "on" }, |
| 351 | { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, |
| 352 | { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, |
| 353 | { 4, DITHERING_MODE_TEMPORAL, "temporal" }, |
| 354 | {} |
| 355 | }; |
| 356 | |
| 357 | static struct nouveau_drm_prop_enum_list dither_depth[] = { |
| 358 | { 6, DITHERING_DEPTH_AUTO, "auto" }, |
| 359 | { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, |
| 360 | { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, |
| 361 | {} |
| 362 | }; |
| 363 | |
| 364 | #define PROP_ENUM(p,gen,n,list) do { \ |
| 365 | struct nouveau_drm_prop_enum_list *l = (list); \ |
| 366 | int c = 0; \ |
| 367 | while (l->gen_mask) { \ |
| 368 | if (l->gen_mask & (1 << (gen))) \ |
| 369 | c++; \ |
| 370 | l++; \ |
| 371 | } \ |
| 372 | if (c) { \ |
| 373 | p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ |
| 374 | l = (list); \ |
| 375 | c = 0; \ |
| 376 | while (p && l->gen_mask) { \ |
| 377 | if (l->gen_mask & (1 << (gen))) { \ |
| 378 | drm_property_add_enum(p, c, l->type, l->name); \ |
| 379 | c++; \ |
| 380 | } \ |
| 381 | l++; \ |
| 382 | } \ |
| 383 | } \ |
| 384 | } while(0) |
| 385 | |
| 386 | int |
| 387 | nouveau_display_init(struct drm_device *dev) |
| 388 | { |
| 389 | struct nouveau_display *disp = nouveau_display(dev); |
| 390 | struct drm_connector *connector; |
| 391 | int ret; |
| 392 | |
| 393 | ret = disp->init(dev); |
| 394 | if (ret) |
| 395 | return ret; |
| 396 | |
| 397 | /* enable polling for external displays */ |
| 398 | drm_kms_helper_poll_enable(dev); |
| 399 | |
| 400 | /* enable hotplug interrupts */ |
| 401 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
| 402 | struct nouveau_connector *conn = nouveau_connector(connector); |
| 403 | if (conn->hpd_func) nouveau_event_get(conn->hpd_func); |
| 404 | } |
| 405 | |
| 406 | return ret; |
| 407 | } |
| 408 | |
| 409 | void |
| 410 | nouveau_display_fini(struct drm_device *dev) |
| 411 | { |
| 412 | struct nouveau_display *disp = nouveau_display(dev); |
| 413 | struct drm_connector *connector; |
| 414 | |
| 415 | /* disable hotplug interrupts */ |
| 416 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
| 417 | struct nouveau_connector *conn = nouveau_connector(connector); |
| 418 | if (conn->hpd_func) nouveau_event_put(conn->hpd_func); |
| 419 | } |
| 420 | |
| 421 | drm_kms_helper_poll_disable(dev); |
| 422 | disp->fini(dev); |
| 423 | } |
| 424 | |
| 425 | int |
| 426 | nouveau_display_create(struct drm_device *dev) |
| 427 | { |
| 428 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 429 | struct nouveau_device *device = nouveau_dev(dev); |
| 430 | struct nouveau_display *disp; |
| 431 | int ret, gen; |
| 432 | |
| 433 | disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); |
| 434 | if (!disp) |
| 435 | return -ENOMEM; |
| 436 | |
| 437 | drm_mode_config_init(dev); |
| 438 | drm_mode_create_scaling_mode_property(dev); |
| 439 | drm_mode_create_dvi_i_properties(dev); |
| 440 | |
| 441 | if (nv_device(drm->device)->card_type < NV_50) |
| 442 | gen = 0; |
| 443 | else |
| 444 | if (nv_device(drm->device)->card_type < NV_D0) |
| 445 | gen = 1; |
| 446 | else |
| 447 | gen = 2; |
| 448 | |
| 449 | PROP_ENUM(disp->dithering_mode, gen, "dithering mode" , dither_mode); |
| 450 | PROP_ENUM(disp->dithering_depth, gen, "dithering depth" , dither_depth); |
| 451 | PROP_ENUM(disp->underscan_property, gen, "underscan" , underscan); |
| 452 | |
| 453 | disp->underscan_hborder_property = |
| 454 | drm_property_create_range(dev, 0, "underscan hborder" , 0, 128); |
| 455 | |
| 456 | disp->underscan_vborder_property = |
| 457 | drm_property_create_range(dev, 0, "underscan vborder" , 0, 128); |
| 458 | |
| 459 | if (gen >= 1) { |
| 460 | /* -90..+90 */ |
| 461 | disp->vibrant_hue_property = |
| 462 | drm_property_create_range(dev, 0, "vibrant hue" , 0, 180); |
| 463 | |
| 464 | /* -100..+100 */ |
| 465 | disp->color_vibrance_property = |
| 466 | drm_property_create_range(dev, 0, "color vibrance" , 0, 200); |
| 467 | } |
| 468 | |
| 469 | dev->mode_config.funcs = &nouveau_mode_config_funcs; |
| 470 | dev->mode_config.fb_base = nv_device_resource_start(device, 1); |
| 471 | |
| 472 | dev->mode_config.min_width = 0; |
| 473 | dev->mode_config.min_height = 0; |
| 474 | if (nv_device(drm->device)->card_type < NV_10) { |
| 475 | dev->mode_config.max_width = 2048; |
| 476 | dev->mode_config.max_height = 2048; |
| 477 | } else |
| 478 | if (nv_device(drm->device)->card_type < NV_50) { |
| 479 | dev->mode_config.max_width = 4096; |
| 480 | dev->mode_config.max_height = 4096; |
| 481 | } else { |
| 482 | dev->mode_config.max_width = 8192; |
| 483 | dev->mode_config.max_height = 8192; |
| 484 | } |
| 485 | |
| 486 | dev->mode_config.preferred_depth = 24; |
| 487 | dev->mode_config.prefer_shadow = 1; |
| 488 | |
| 489 | if (nv_device(drm->device)->chipset < 0x11) |
| 490 | dev->mode_config.async_page_flip = false; |
| 491 | else |
| 492 | dev->mode_config.async_page_flip = true; |
| 493 | |
| 494 | drm_kms_helper_poll_init(dev); |
| 495 | drm_kms_helper_poll_disable(dev); |
| 496 | |
| 497 | if (drm->vbios.dcb.entries) { |
| 498 | static const u16 oclass[] = { |
| 499 | GM107_DISP_CLASS, |
| 500 | NVF0_DISP_CLASS, |
| 501 | NVE0_DISP_CLASS, |
| 502 | NVD0_DISP_CLASS, |
| 503 | NVA3_DISP_CLASS, |
| 504 | NV94_DISP_CLASS, |
| 505 | NVA0_DISP_CLASS, |
| 506 | NV84_DISP_CLASS, |
| 507 | NV50_DISP_CLASS, |
| 508 | NV04_DISP_CLASS, |
| 509 | }; |
| 510 | int i; |
| 511 | |
| 512 | for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) { |
| 513 | ret = nouveau_object_new(nv_object(drm), NVDRM_DEVICE, |
| 514 | NVDRM_DISPLAY, oclass[i], |
| 515 | NULL, 0, &disp->core); |
| 516 | } |
| 517 | |
| 518 | if (ret == 0) { |
| 519 | if (nv_mclass(disp->core) < NV50_DISP_CLASS) |
| 520 | ret = nv04_display_create(dev); |
| 521 | else |
| 522 | ret = nv50_display_create(dev); |
| 523 | } |
| 524 | } else { |
| 525 | ret = 0; |
| 526 | } |
| 527 | |
| 528 | if (ret) |
| 529 | goto disp_create_err; |
| 530 | |
| 531 | if (dev->mode_config.num_crtc) { |
| 532 | ret = nouveau_display_vblank_init(dev); |
| 533 | if (ret) |
| 534 | goto vblank_err; |
| 535 | } |
| 536 | |
| 537 | nouveau_backlight_init(dev); |
| 538 | return 0; |
| 539 | |
| 540 | vblank_err: |
| 541 | disp->dtor(dev); |
| 542 | disp_create_err: |
| 543 | drm_kms_helper_poll_fini(dev); |
| 544 | drm_mode_config_cleanup(dev); |
| 545 | return ret; |
| 546 | } |
| 547 | |
| 548 | void |
| 549 | nouveau_display_destroy(struct drm_device *dev) |
| 550 | { |
| 551 | struct nouveau_display *disp = nouveau_display(dev); |
| 552 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 553 | |
| 554 | nouveau_backlight_exit(dev); |
| 555 | nouveau_display_vblank_fini(dev); |
| 556 | |
| 557 | drm_kms_helper_poll_fini(dev); |
| 558 | drm_mode_config_cleanup(dev); |
| 559 | |
| 560 | if (disp->dtor) |
| 561 | disp->dtor(dev); |
| 562 | |
| 563 | nouveau_object_del(nv_object(drm), NVDRM_DEVICE, NVDRM_DISPLAY); |
| 564 | |
| 565 | nouveau_drm(dev)->display = NULL; |
| 566 | kfree(disp); |
| 567 | } |
| 568 | |
| 569 | int |
| 570 | nouveau_display_suspend(struct drm_device *dev) |
| 571 | { |
| 572 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 573 | struct drm_crtc *crtc; |
| 574 | |
| 575 | nouveau_display_fini(dev); |
| 576 | |
| 577 | NV_INFO(drm, "unpinning framebuffer(s)...\n" ); |
| 578 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| 579 | struct nouveau_framebuffer *nouveau_fb; |
| 580 | |
| 581 | nouveau_fb = nouveau_framebuffer(crtc->primary->fb); |
| 582 | if (!nouveau_fb || !nouveau_fb->nvbo) |
| 583 | continue; |
| 584 | |
| 585 | nouveau_bo_unpin(nouveau_fb->nvbo); |
| 586 | } |
| 587 | |
| 588 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| 589 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); |
| 590 | |
| 591 | nouveau_bo_unmap(nv_crtc->cursor.nvbo); |
| 592 | nouveau_bo_unpin(nv_crtc->cursor.nvbo); |
| 593 | } |
| 594 | |
| 595 | return 0; |
| 596 | } |
| 597 | |
| 598 | void |
| 599 | nouveau_display_repin(struct drm_device *dev) |
| 600 | { |
| 601 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 602 | struct drm_crtc *crtc; |
| 603 | int ret; |
| 604 | |
| 605 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| 606 | struct nouveau_framebuffer *nouveau_fb; |
| 607 | |
| 608 | nouveau_fb = nouveau_framebuffer(crtc->primary->fb); |
| 609 | if (!nouveau_fb || !nouveau_fb->nvbo) |
| 610 | continue; |
| 611 | |
| 612 | nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM); |
| 613 | } |
| 614 | |
| 615 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| 616 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); |
| 617 | |
| 618 | ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM); |
| 619 | if (!ret) |
| 620 | ret = nouveau_bo_map(nv_crtc->cursor.nvbo); |
| 621 | if (ret) |
| 622 | NV_ERROR(drm, "Could not pin/map cursor.\n" ); |
| 623 | } |
| 624 | } |
| 625 | |
| 626 | void |
| 627 | nouveau_display_resume(struct drm_device *dev) |
| 628 | { |
| 629 | struct drm_crtc *crtc; |
| 630 | nouveau_display_init(dev); |
| 631 | |
| 632 | /* Force CLUT to get re-loaded during modeset */ |
| 633 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| 634 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); |
| 635 | |
| 636 | nv_crtc->lut.depth = 0; |
| 637 | } |
| 638 | |
| 639 | drm_helper_resume_force_mode(dev); |
| 640 | |
| 641 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| 642 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); |
| 643 | u32 offset = nv_crtc->cursor.nvbo->bo.offset; |
| 644 | |
| 645 | nv_crtc->cursor.set_offset(nv_crtc, offset); |
| 646 | nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x, |
| 647 | nv_crtc->cursor_saved_y); |
| 648 | } |
| 649 | } |
| 650 | |
| 651 | static int |
| 652 | nouveau_page_flip_emit(struct nouveau_channel *chan, |
| 653 | struct nouveau_bo *old_bo, |
| 654 | struct nouveau_bo *new_bo, |
| 655 | struct nouveau_page_flip_state *s, |
| 656 | struct nouveau_fence **pfence) |
| 657 | { |
| 658 | struct nouveau_fence_chan *fctx = chan->fence; |
| 659 | struct nouveau_drm *drm = chan->drm; |
| 660 | struct drm_device *dev = drm->dev; |
| 661 | unsigned long flags; |
| 662 | int ret; |
| 663 | |
| 664 | /* Queue it to the pending list */ |
| 665 | spin_lock_irqsave(&dev->event_lock, flags); |
| 666 | list_add_tail(&s->head, &fctx->flip); |
| 667 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 668 | |
| 669 | /* Synchronize with the old framebuffer */ |
| 670 | ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan); |
| 671 | if (ret) |
| 672 | goto fail; |
| 673 | |
| 674 | /* Emit the pageflip */ |
| 675 | ret = RING_SPACE(chan, 2); |
| 676 | if (ret) |
| 677 | goto fail; |
| 678 | |
| 679 | if (nv_device(drm->device)->card_type < NV_C0) |
| 680 | BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); |
| 681 | else |
| 682 | BEGIN_NVC0(chan, FermiSw, NV_SW_PAGE_FLIP, 1); |
| 683 | OUT_RING (chan, 0x00000000); |
| 684 | FIRE_RING (chan); |
| 685 | |
| 686 | ret = nouveau_fence_new(chan, false, pfence); |
| 687 | if (ret) |
| 688 | goto fail; |
| 689 | |
| 690 | return 0; |
| 691 | fail: |
| 692 | spin_lock_irqsave(&dev->event_lock, flags); |
| 693 | list_del(&s->head); |
| 694 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 695 | return ret; |
| 696 | } |
| 697 | |
| 698 | int |
| 699 | nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, |
| 700 | struct drm_pending_vblank_event *event, u32 flags) |
| 701 | { |
| 702 | const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1; |
| 703 | struct drm_device *dev = crtc->dev; |
| 704 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 705 | struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo; |
| 706 | struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; |
| 707 | struct nouveau_page_flip_state *s; |
| 708 | struct nouveau_channel *chan = drm->channel; |
| 709 | struct nouveau_fence *fence; |
| 710 | int ret; |
| 711 | |
| 712 | if (!drm->channel) |
| 713 | return -ENODEV; |
| 714 | |
| 715 | s = kzalloc(sizeof(*s), GFP_KERNEL); |
| 716 | if (!s) |
| 717 | return -ENOMEM; |
| 718 | |
| 719 | if (new_bo != old_bo) { |
| 720 | ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM); |
| 721 | if (ret) |
| 722 | goto fail_free; |
| 723 | } |
| 724 | |
| 725 | mutex_lock(&chan->cli->mutex); |
| 726 | |
| 727 | /* synchronise rendering channel with the kernel's channel */ |
| 728 | spin_lock(&new_bo->bo.bdev->fence_lock); |
| 729 | fence = nouveau_fence_ref(new_bo->bo.sync_obj); |
| 730 | spin_unlock(&new_bo->bo.bdev->fence_lock); |
| 731 | ret = nouveau_fence_sync(fence, chan); |
| 732 | nouveau_fence_unref(&fence); |
| 733 | if (ret) |
| 734 | goto fail_unpin; |
| 735 | |
| 736 | ret = ttm_bo_reserve(&old_bo->bo, true, false, false, NULL); |
| 737 | if (ret) |
| 738 | goto fail_unpin; |
| 739 | |
| 740 | /* Initialize a page flip struct */ |
| 741 | *s = (struct nouveau_page_flip_state) |
| 742 | { { }, event, nouveau_crtc(crtc)->index, |
| 743 | fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y, |
| 744 | new_bo->bo.offset }; |
| 745 | |
| 746 | /* Emit a page flip */ |
| 747 | if (nv_device(drm->device)->card_type >= NV_50) { |
| 748 | ret = nv50_display_flip_next(crtc, fb, chan, swap_interval); |
| 749 | if (ret) |
| 750 | goto fail_unreserve; |
| 751 | } else { |
| 752 | struct nv04_display *dispnv04 = nv04_display(dev); |
| 753 | int head = nouveau_crtc(crtc)->index; |
| 754 | |
| 755 | if (swap_interval) { |
| 756 | ret = RING_SPACE(chan, 8); |
| 757 | if (ret) |
| 758 | goto fail_unreserve; |
| 759 | |
| 760 | BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1); |
| 761 | OUT_RING (chan, 0); |
| 762 | BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1); |
| 763 | OUT_RING (chan, head); |
| 764 | BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1); |
| 765 | OUT_RING (chan, 0); |
| 766 | BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1); |
| 767 | OUT_RING (chan, 0); |
| 768 | } |
| 769 | |
| 770 | nouveau_bo_ref(new_bo, &dispnv04->image[head]); |
| 771 | } |
| 772 | |
| 773 | ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); |
| 774 | if (ret) |
| 775 | goto fail_unreserve; |
| 776 | mutex_unlock(&chan->cli->mutex); |
| 777 | |
| 778 | /* Update the crtc struct and cleanup */ |
| 779 | crtc->primary->fb = fb; |
| 780 | |
| 781 | nouveau_bo_fence(old_bo, fence); |
| 782 | ttm_bo_unreserve(&old_bo->bo); |
| 783 | if (old_bo != new_bo) |
| 784 | nouveau_bo_unpin(old_bo); |
| 785 | nouveau_fence_unref(&fence); |
| 786 | return 0; |
| 787 | |
| 788 | fail_unreserve: |
| 789 | ttm_bo_unreserve(&old_bo->bo); |
| 790 | fail_unpin: |
| 791 | mutex_unlock(&chan->cli->mutex); |
| 792 | if (old_bo != new_bo) |
| 793 | nouveau_bo_unpin(new_bo); |
| 794 | fail_free: |
| 795 | kfree(s); |
| 796 | return ret; |
| 797 | } |
| 798 | |
| 799 | int |
| 800 | nouveau_finish_page_flip(struct nouveau_channel *chan, |
| 801 | struct nouveau_page_flip_state *ps) |
| 802 | { |
| 803 | struct nouveau_fence_chan *fctx = chan->fence; |
| 804 | struct nouveau_drm *drm = chan->drm; |
| 805 | struct drm_device *dev = drm->dev; |
| 806 | struct nouveau_page_flip_state *s; |
| 807 | unsigned long flags; |
| 808 | |
| 809 | spin_lock_irqsave(&dev->event_lock, flags); |
| 810 | |
| 811 | if (list_empty(&fctx->flip)) { |
| 812 | NV_ERROR(drm, "unexpected pageflip\n" ); |
| 813 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 814 | return -EINVAL; |
| 815 | } |
| 816 | |
| 817 | s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); |
| 818 | if (s->event) |
| 819 | drm_send_vblank_event(dev, s->crtc, s->event); |
| 820 | |
| 821 | list_del(&s->head); |
| 822 | if (ps) |
| 823 | *ps = *s; |
| 824 | kfree(s); |
| 825 | |
| 826 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 827 | return 0; |
| 828 | } |
| 829 | |
| 830 | int |
| 831 | nouveau_flip_complete(void *data) |
| 832 | { |
| 833 | struct nouveau_channel *chan = data; |
| 834 | struct nouveau_drm *drm = chan->drm; |
| 835 | struct nouveau_page_flip_state state; |
| 836 | |
| 837 | if (!nouveau_finish_page_flip(chan, &state)) { |
| 838 | if (nv_device(drm->device)->card_type < NV_50) { |
| 839 | nv_set_crtc_base(drm->dev, state.crtc, state.offset + |
| 840 | state.y * state.pitch + |
| 841 | state.x * state.bpp / 8); |
| 842 | } |
| 843 | } |
| 844 | |
| 845 | return 0; |
| 846 | } |
| 847 | |
| 848 | int |
| 849 | nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, |
| 850 | struct drm_mode_create_dumb *args) |
| 851 | { |
| 852 | struct nouveau_bo *bo; |
| 853 | int ret; |
| 854 | |
| 855 | args->pitch = roundup(args->width * (args->bpp / 8), 256); |
| 856 | args->size = args->pitch * args->height; |
| 857 | args->size = roundup(args->size, PAGE_SIZE); |
| 858 | |
| 859 | ret = nouveau_gem_new(dev, args->size, 0, NOUVEAU_GEM_DOMAIN_VRAM, 0, 0, &bo); |
| 860 | if (ret) |
| 861 | return ret; |
| 862 | |
| 863 | ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle); |
| 864 | drm_gem_object_unreference_unlocked(&bo->gem); |
| 865 | return ret; |
| 866 | } |
| 867 | |
| 868 | int |
| 869 | nouveau_display_dumb_map_offset(struct drm_file *file_priv, |
| 870 | struct drm_device *dev, |
| 871 | uint32_t handle, uint64_t *poffset) |
| 872 | { |
| 873 | struct drm_gem_object *gem; |
| 874 | |
| 875 | gem = drm_gem_object_lookup(dev, file_priv, handle); |
| 876 | if (gem) { |
| 877 | struct nouveau_bo *bo = nouveau_gem_object(gem); |
| 878 | *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node); |
| 879 | drm_gem_object_unreference_unlocked(gem); |
| 880 | return 0; |
| 881 | } |
| 882 | |
| 883 | return -ENOENT; |
| 884 | } |
| 885 | |