drivers/gpu/drm/gma500/framebuffer.c

   1 /**************************************************************************
   2  * Copyright (c) 2007-2011, Intel Corporation.
   3  * All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  **************************************************************************/
  19
  20 #include <linux/module.h>
  21 #include <linux/kernel.h>
  22 #include <linux/errno.h>
  23 #include <linux/string.h>
  24 #include <linux/pfn_t.h>
  25 #include <linux/mm.h>
  26 #include <linux/tty.h>
  27 #include <linux/slab.h>
  28 #include <linux/delay.h>
  29 #include <linux/init.h>
  30 #include <linux/console.h>
  31
  32 #include <drm/drmP.h>
  33 #include <drm/drm.h>
  34 #include <drm/drm_crtc.h>
  35 #include <drm/drm_fb_helper.h>
  36 #include <drm/drm_gem_framebuffer_helper.h>
  37
  38 #include "psb_drv.h"
  39 #include "psb_intel_reg.h"
  40 #include "psb_intel_drv.h"
  41 #include "framebuffer.h"
  42 #include "gtt.h"
  43
  44 static const struct drm_framebuffer_funcs psb_fb_funcs = {
  45         .destroy = drm_gem_fb_destroy,
  46         .create_handle = drm_gem_fb_create_handle,
  47 };
  48
  49 #define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16)
  50
  51 static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green,
  52                            unsigned blue, unsigned transp,
  53                            struct fb_info *info)
  54 {
  55         struct psb_fbdev *fbdev = info->par;
  56         struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb;
  57         uint32_t v;
  58
  59         if (!fb)
  60                 return -ENOMEM;
  61
  62         if (regno > 255)
  63                 return 1;
  64
  65         red = CMAP_TOHW(red, info->var.red.length);
  66         blue = CMAP_TOHW(blue, info->var.blue.length);
  67         green = CMAP_TOHW(green, info->var.green.length);
  68         transp = CMAP_TOHW(transp, info->var.transp.length);
  69
  70         v = (red << info->var.red.offset) |
  71             (green << info->var.green.offset) |
  72             (blue << info->var.blue.offset) |
  73             (transp << info->var.transp.offset);
  74
  75         if (regno < 16) {
  76                 switch (fb->format->cpp[0] * 8) {
  77                 case 16:
  78                         ((uint32_t *) info->pseudo_palette)[regno] = v;
  79                         break;
  80                 case 24:
  81                 case 32:
  82                         ((uint32_t *) info->pseudo_palette)[regno] = v;
  83                         break;
  84                 }
  85         }
  86
  87         return 0;
  88 }
  89
  90 static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info)
  91 {
  92         struct psb_fbdev *fbdev = info->par;
  93         struct psb_framebuffer *psbfb = &fbdev->pfb;
  94         struct drm_device *dev = psbfb->base.dev;
  95         struct gtt_range *gtt = to_gtt_range(psbfb->base.obj[0]);
  96
  97         /*
  98          *      We have to poke our nose in here. The core fb code assumes
  99          *      panning is part of the hardware that can be invoked before
 100          *      the actual fb is mapped. In our case that isn't quite true.
 101          */
 102         if (gtt->npage) {
 103                 /* GTT roll shifts in 4K pages, we need to shift the right
 104                    number of pages */
 105                 int pages = info->fix.line_length >> 12;
 106                 psb_gtt_roll(dev, gtt, var->yoffset * pages);
 107         }
 108         return 0;
 109 }
 110
 111 static vm_fault_t psbfb_vm_fault(struct vm_fault *vmf)
 112 {
 113         struct vm_area_struct *vma = vmf->vma;
 114         struct psb_framebuffer *psbfb = vma->vm_private_data;
 115         struct drm_device *dev = psbfb->base.dev;
 116         struct drm_psb_private *dev_priv = dev->dev_private;
 117         struct gtt_range *gtt = to_gtt_range(psbfb->base.obj[0]);
 118         int page_num;
 119         int i;
 120         unsigned long address;
 121         vm_fault_t ret = VM_FAULT_SIGBUS;
 122         unsigned long pfn;
 123         unsigned long phys_addr = (unsigned long)dev_priv->stolen_base +
 124                                   gtt->offset;
 125
 126         page_num = vma_pages(vma);
 127         address = vmf->address - (vmf->pgoff << PAGE_SHIFT);
 128
 129         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 130
 131         for (i = 0; i < page_num; i++) {
 132                 pfn = (phys_addr >> PAGE_SHIFT);
 133
 134                 ret = vmf_insert_mixed(vma, address,
 135                                 __pfn_to_pfn_t(pfn, PFN_DEV));
 136                 if (unlikely(ret & VM_FAULT_ERROR))
 137                         break;
 138                 address += PAGE_SIZE;
 139                 phys_addr += PAGE_SIZE;
 140         }
 141         return ret;
 142 }
 143
 144 static void psbfb_vm_open(struct vm_area_struct *vma)
 145 {
 146 }
 147
 148 static void psbfb_vm_close(struct vm_area_struct *vma)
 149 {
 150 }
 151
 152 static const struct vm_operations_struct psbfb_vm_ops = {
 153         .fault  = psbfb_vm_fault,
 154         .open   = psbfb_vm_open,
 155         .close  = psbfb_vm_close
 156 };
 157
 158 static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 159 {
 160         struct psb_fbdev *fbdev = info->par;
 161         struct psb_framebuffer *psbfb = &fbdev->pfb;
 162
 163         if (vma->vm_pgoff != 0)
 164                 return -EINVAL;
 165         if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
 166                 return -EINVAL;
 167
 168         if (!psbfb->addr_space)
 169                 psbfb->addr_space = vma->vm_file->f_mapping;
 170         /*
 171          * If this is a GEM object then info->screen_base is the virtual
 172          * kernel remapping of the object. FIXME: Review if this is
 173          * suitable for our mmap work
 174          */
 175         vma->vm_ops = &psbfb_vm_ops;
 176         vma->vm_private_data = (void *)psbfb;
 177         vma->vm_flags |= VM_IO | VM_MIXEDMAP | VM_DONTEXPAND | VM_DONTDUMP;
 178         return 0;
 179 }
 180
 181 static struct fb_ops psbfb_ops = {
 182         .owner = THIS_MODULE,
 183         DRM_FB_HELPER_DEFAULT_OPS,
 184         .fb_setcolreg = psbfb_setcolreg,
 185         .fb_fillrect = drm_fb_helper_cfb_fillrect,
 186         .fb_copyarea = psbfb_copyarea,
 187         .fb_imageblit = drm_fb_helper_cfb_imageblit,
 188         .fb_mmap = psbfb_mmap,
 189         .fb_sync = psbfb_sync,
 190 };
 191
 192 static struct fb_ops psbfb_roll_ops = {
 193         .owner = THIS_MODULE,
 194         DRM_FB_HELPER_DEFAULT_OPS,
 195         .fb_setcolreg = psbfb_setcolreg,
 196         .fb_fillrect = drm_fb_helper_cfb_fillrect,
 197         .fb_copyarea = drm_fb_helper_cfb_copyarea,
 198         .fb_imageblit = drm_fb_helper_cfb_imageblit,
 199         .fb_pan_display = psbfb_pan,
 200         .fb_mmap = psbfb_mmap,
 201 };
 202
 203 static struct fb_ops psbfb_unaccel_ops = {
 204         .owner = THIS_MODULE,
 205         DRM_FB_HELPER_DEFAULT_OPS,
 206         .fb_setcolreg = psbfb_setcolreg,
 207         .fb_fillrect = drm_fb_helper_cfb_fillrect,
 208         .fb_copyarea = drm_fb_helper_cfb_copyarea,
 209         .fb_imageblit = drm_fb_helper_cfb_imageblit,
 210         .fb_mmap = psbfb_mmap,
 211 };
 212
 213 /**
 214  *      psb_framebuffer_init    -       initialize a framebuffer
 215  *      @dev: our DRM device
 216  *      @fb: framebuffer to set up
 217  *      @mode_cmd: mode description
 218  *      @gt: backing object
 219  *
 220  *      Configure and fill in the boilerplate for our frame buffer. Return
 221  *      0 on success or an error code if we fail.
 222  */
 223 static int psb_framebuffer_init(struct drm_device *dev,
 224                                         struct psb_framebuffer *fb,
 225                                         const struct drm_mode_fb_cmd2 *mode_cmd,
 226                                         struct gtt_range *gt)
 227 {
 228         const struct drm_format_info *info;
 229         int ret;
 230
 231         /*
 232          * Reject unknown formats, YUV formats, and formats with more than
 233          * 4 bytes per pixel.
 234          */
 235         info = drm_format_info(mode_cmd->pixel_format);
 236         if (!info || !info->depth || info->cpp[0] > 4)
 237                 return -EINVAL;
 238
 239         if (mode_cmd->pitches[0] & 63)
 240                 return -EINVAL;
 241
 242         drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd);
 243         fb->base.obj[0] = &gt->gem;
 244         ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs);
 245         if (ret) {
 246                 dev_err(dev->dev, "framebuffer init failed: %d\n", ret);
 247                 return ret;
 248         }
 249         return 0;
 250 }
 251
 252 /**
 253  *      psb_framebuffer_create  -       create a framebuffer backed by gt
 254  *      @dev: our DRM device
 255  *      @mode_cmd: the description of the requested mode
 256  *      @gt: the backing object
 257  *
 258  *      Create a framebuffer object backed by the gt, and fill in the
 259  *      boilerplate required
 260  *
 261  *      TODO: review object references
 262  */
 263
 264 static struct drm_framebuffer *psb_framebuffer_create
 265                         (struct drm_device *dev,
 266                          const struct drm_mode_fb_cmd2 *mode_cmd,
 267                          struct gtt_range *gt)
 268 {
 269         struct psb_framebuffer *fb;
 270         int ret;
 271
 272         fb = kzalloc(sizeof(*fb), GFP_KERNEL);
 273         if (!fb)
 274                 return ERR_PTR(-ENOMEM);
 275
 276         ret = psb_framebuffer_init(dev, fb, mode_cmd, gt);
 277         if (ret) {
 278                 kfree(fb);
 279                 return ERR_PTR(ret);
 280         }
 281         return &fb->base;
 282 }
 283
 284 /**
 285  *      psbfb_alloc             -       allocate frame buffer memory
 286  *      @dev: the DRM device
 287  *      @aligned_size: space needed
 288  *
 289  *      Allocate the frame buffer. In the usual case we get a GTT range that
 290  *      is stolen memory backed and life is simple. If there isn't sufficient
 291  *      we fail as we don't have the virtual mapping space to really vmap it
 292  *      and the kernel console code can't handle non linear framebuffers.
 293  *
 294  *      Re-address this as and if the framebuffer layer grows this ability.
 295  */
 296 static struct gtt_range *psbfb_alloc(struct drm_device *dev, int aligned_size)
 297 {
 298         struct gtt_range *backing;
 299         /* Begin by trying to use stolen memory backing */
 300         backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1, PAGE_SIZE);
 301         if (backing) {
 302                 drm_gem_private_object_init(dev, &backing->gem, aligned_size);
 303                 return backing;
 304         }
 305         return NULL;
 306 }
 307
 308 /**
 309  *      psbfb_create            -       create a framebuffer
 310  *      @fbdev: the framebuffer device
 311  *      @sizes: specification of the layout
 312  *
 313  *      Create a framebuffer to the specifications provided
 314  */
 315 static int psbfb_create(struct psb_fbdev *fbdev,
 316                                 struct drm_fb_helper_surface_size *sizes)
 317 {
 318         struct drm_device *dev = fbdev->psb_fb_helper.dev;
 319         struct drm_psb_private *dev_priv = dev->dev_private;
 320         struct fb_info *info;
 321         struct drm_framebuffer *fb;
 322         struct psb_framebuffer *psbfb = &fbdev->pfb;
 323         struct drm_mode_fb_cmd2 mode_cmd;
 324         int size;
 325         int ret;
 326         struct gtt_range *backing;
 327         u32 bpp, depth;
 328         int gtt_roll = 0;
 329         int pitch_lines = 0;
 330
 331         mode_cmd.width = sizes->surface_width;
 332         mode_cmd.height = sizes->surface_height;
 333         bpp = sizes->surface_bpp;
 334         depth = sizes->surface_depth;
 335
 336         /* No 24bit packed */
 337         if (bpp == 24)
 338                 bpp = 32;
 339
 340         do {
 341                 /*
 342                  * Acceleration via the GTT requires pitch to be
 343                  * power of two aligned. Preferably page but less
 344                  * is ok with some fonts
 345                  */
 346                 mode_cmd.pitches[0] =  ALIGN(mode_cmd.width * ((bpp + 7) / 8), 4096 >> pitch_lines);
 347
 348                 size = mode_cmd.pitches[0] * mode_cmd.height;
 349                 size = ALIGN(size, PAGE_SIZE);
 350
 351                 /* Allocate the fb in the GTT with stolen page backing */
 352                 backing = psbfb_alloc(dev, size);
 353
 354                 if (pitch_lines)
 355                         pitch_lines *= 2;
 356                 else
 357                         pitch_lines = 1;
 358                 gtt_roll++;
 359         } while (backing == NULL && pitch_lines <= 16);
 360
 361         /* The final pitch we accepted if we succeeded */
 362         pitch_lines /= 2;
 363
 364         if (backing == NULL) {
 365                 /*
 366                  *      We couldn't get the space we wanted, fall back to the
 367                  *      display engine requirement instead.  The HW requires
 368                  *      the pitch to be 64 byte aligned
 369                  */
 370
 371                 gtt_roll = 0;   /* Don't use GTT accelerated scrolling */
 372                 pitch_lines = 64;
 373
 374                 mode_cmd.pitches[0] =  ALIGN(mode_cmd.width * ((bpp + 7) / 8), 64);
 375
 376                 size = mode_cmd.pitches[0] * mode_cmd.height;
 377                 size = ALIGN(size, PAGE_SIZE);
 378
 379                 /* Allocate the framebuffer in the GTT with stolen page backing */
 380                 backing = psbfb_alloc(dev, size);
 381                 if (backing == NULL)
 382                         return -ENOMEM;
 383         }
 384
 385         memset(dev_priv->vram_addr + backing->offset, 0, size);
 386
 387         info = drm_fb_helper_alloc_fbi(&fbdev->psb_fb_helper);
 388         if (IS_ERR(info)) {
 389                 ret = PTR_ERR(info);
 390                 goto out;
 391         }
 392         info->par = fbdev;
 393
 394         mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth);
 395
 396         ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing);
 397         if (ret)
 398                 goto out;
 399
 400         fb = &psbfb->base;
 401         psbfb->fbdev = info;
 402
 403         fbdev->psb_fb_helper.fb = fb;
 404
 405         drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
 406         strcpy(info->fix.id, "psbdrmfb");
 407
 408         info->flags = FBINFO_DEFAULT;
 409         if (dev_priv->ops->accel_2d && pitch_lines > 8) /* 2D engine */
 410                 info->fbops = &psbfb_ops;
 411         else if (gtt_roll) {    /* GTT rolling seems best */
 412                 info->fbops = &psbfb_roll_ops;
 413                 info->flags |= FBINFO_HWACCEL_YPAN;
 414         } else  /* Software */
 415                 info->fbops = &psbfb_unaccel_ops;
 416
 417         info->fix.smem_start = dev->mode_config.fb_base;
 418         info->fix.smem_len = size;
 419         info->fix.ywrapstep = gtt_roll;
 420         info->fix.ypanstep = 0;
 421
 422         /* Accessed stolen memory directly */
 423         info->screen_base = dev_priv->vram_addr + backing->offset;
 424         info->screen_size = size;
 425
 426         if (dev_priv->gtt.stolen_size) {
 427                 info->apertures->ranges[0].base = dev->mode_config.fb_base;
 428                 info->apertures->ranges[0].size = dev_priv->gtt.stolen_size;
 429         }
 430
 431         drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
 432                                 sizes->fb_width, sizes->fb_height);
 433
 434         info->fix.mmio_start = pci_resource_start(dev->pdev, 0);
 435         info->fix.mmio_len = pci_resource_len(dev->pdev, 0);
 436
 437         /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
 438
 439         dev_dbg(dev->dev, "allocated %dx%d fb\n",
 440                                         psbfb->base.width, psbfb->base.height);
 441
 442         return 0;
 443 out:
 444         psb_gtt_free_range(dev, backing);
 445         return ret;
 446 }
 447
 448 /**
 449  *      psb_user_framebuffer_create     -       create framebuffer
 450  *      @dev: our DRM device
 451  *      @filp: client file
 452  *      @cmd: mode request
 453  *
 454  *      Create a new framebuffer backed by a userspace GEM object
 455  */
 456 static struct drm_framebuffer *psb_user_framebuffer_create
 457                         (struct drm_device *dev, struct drm_file *filp,
 458                          const struct drm_mode_fb_cmd2 *cmd)
 459 {
 460         struct gtt_range *r;
 461         struct drm_gem_object *obj;
 462
 463         /*
 464          *      Find the GEM object and thus the gtt range object that is
 465          *      to back this space
 466          */
 467         obj = drm_gem_object_lookup(filp, cmd->handles[0]);
 468         if (obj == NULL)
 469                 return ERR_PTR(-ENOENT);
 470
 471         /* Let the core code do all the work */
 472         r = container_of(obj, struct gtt_range, gem);
 473         return psb_framebuffer_create(dev, cmd, r);
 474 }
 475
 476 static int psbfb_probe(struct drm_fb_helper *helper,
 477                                 struct drm_fb_helper_surface_size *sizes)
 478 {
 479         struct psb_fbdev *psb_fbdev =
 480                 container_of(helper, struct psb_fbdev, psb_fb_helper);
 481         struct drm_device *dev = psb_fbdev->psb_fb_helper.dev;
 482         struct drm_psb_private *dev_priv = dev->dev_private;
 483         int bytespp;
 484
 485         bytespp = sizes->surface_bpp / 8;
 486         if (bytespp == 3)       /* no 24bit packed */
 487                 bytespp = 4;
 488
 489         /* If the mode will not fit in 32bit then switch to 16bit to get
 490            a console on full resolution. The X mode setting server will
 491            allocate its own 32bit GEM framebuffer */
 492         if (ALIGN(sizes->fb_width * bytespp, 64) * sizes->fb_height >
 493                         dev_priv->vram_stolen_size) {
 494                 sizes->surface_bpp = 16;
 495                 sizes->surface_depth = 16;
 496         }
 497
 498         return psbfb_create(psb_fbdev, sizes);
 499 }
 500
 501 static const struct drm_fb_helper_funcs psb_fb_helper_funcs = {
 502         .fb_probe = psbfb_probe,
 503 };
 504
 505 static int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev)
 506 {
 507         struct psb_framebuffer *psbfb = &fbdev->pfb;
 508
 509         drm_fb_helper_unregister_fbi(&fbdev->psb_fb_helper);
 510
 511         drm_fb_helper_fini(&fbdev->psb_fb_helper);
 512         drm_framebuffer_unregister_private(&psbfb->base);
 513         drm_framebuffer_cleanup(&psbfb->base);
 514
 515         if (psbfb->base.obj[0])
 516                 drm_gem_object_put_unlocked(psbfb->base.obj[0]);
 517         return 0;
 518 }
 519
 520 int psb_fbdev_init(struct drm_device *dev)
 521 {
 522         struct psb_fbdev *fbdev;
 523         struct drm_psb_private *dev_priv = dev->dev_private;
 524         int ret;
 525
 526         fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL);
 527         if (!fbdev) {
 528                 dev_err(dev->dev, "no memory\n");
 529                 return -ENOMEM;
 530         }
 531
 532         dev_priv->fbdev = fbdev;
 533
 534         drm_fb_helper_prepare(dev, &fbdev->psb_fb_helper, &psb_fb_helper_funcs);
 535
 536         ret = drm_fb_helper_init(dev, &fbdev->psb_fb_helper,
 537                                  INTELFB_CONN_LIMIT);
 538         if (ret)
 539                 goto free;
 540
 541         ret = drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper);
 542         if (ret)
 543                 goto fini;
 544
 545         /* disable all the possible outputs/crtcs before entering KMS mode */
 546         drm_helper_disable_unused_functions(dev);
 547
 548         ret = drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32);
 549         if (ret)
 550                 goto fini;
 551
 552         return 0;
 553
 554 fini:
 555         drm_fb_helper_fini(&fbdev->psb_fb_helper);
 556 free:
 557         kfree(fbdev);
 558         return ret;
 559 }
 560
 561 static void psb_fbdev_fini(struct drm_device *dev)
 562 {
 563         struct drm_psb_private *dev_priv = dev->dev_private;
 564
 565         if (!dev_priv->fbdev)
 566                 return;
 567
 568         psb_fbdev_destroy(dev, dev_priv->fbdev);
 569         kfree(dev_priv->fbdev);
 570         dev_priv->fbdev = NULL;
 571 }
 572
 573 static const struct drm_mode_config_funcs psb_mode_funcs = {
 574         .fb_create = psb_user_framebuffer_create,
 575         .output_poll_changed = drm_fb_helper_output_poll_changed,
 576 };
 577
 578 static void psb_setup_outputs(struct drm_device *dev)
 579 {
 580         struct drm_psb_private *dev_priv = dev->dev_private;
 581         struct drm_connector *connector;
 582
 583         drm_mode_create_scaling_mode_property(dev);
 584
 585         /* It is ok for this to fail - we just don't get backlight control */
 586         if (!dev_priv->backlight_property)
 587                 dev_priv->backlight_property = drm_property_create_range(dev, 0,
 588                                                         "backlight", 0, 100);
 589         dev_priv->ops->output_init(dev);
 590
 591         list_for_each_entry(connector, &dev->mode_config.connector_list,
 592                             head) {
 593                 struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
 594                 struct drm_encoder *encoder = &gma_encoder->base;
 595                 int crtc_mask = 0, clone_mask = 0;
 596
 597                 /* valid crtcs */
 598                 switch (gma_encoder->type) {
 599                 case INTEL_OUTPUT_ANALOG:
 600                         crtc_mask = (1 << 0);
 601                         clone_mask = (1 << INTEL_OUTPUT_ANALOG);
 602                         break;
 603                 case INTEL_OUTPUT_SDVO:
 604                         crtc_mask = dev_priv->ops->sdvo_mask;
 605                         clone_mask = (1 << INTEL_OUTPUT_SDVO);
 606                         break;
 607                 case INTEL_OUTPUT_LVDS:
 608                         crtc_mask = dev_priv->ops->lvds_mask;
 609                         clone_mask = (1 << INTEL_OUTPUT_LVDS);
 610                         break;
 611                 case INTEL_OUTPUT_MIPI:
 612                         crtc_mask = (1 << 0);
 613                         clone_mask = (1 << INTEL_OUTPUT_MIPI);
 614                         break;
 615                 case INTEL_OUTPUT_MIPI2:
 616                         crtc_mask = (1 << 2);
 617                         clone_mask = (1 << INTEL_OUTPUT_MIPI2);
 618                         break;
 619                 case INTEL_OUTPUT_HDMI:
 620                         crtc_mask = dev_priv->ops->hdmi_mask;
 621                         clone_mask = (1 << INTEL_OUTPUT_HDMI);
 622                         break;
 623                 case INTEL_OUTPUT_DISPLAYPORT:
 624                         crtc_mask = (1 << 0) | (1 << 1);
 625                         clone_mask = (1 << INTEL_OUTPUT_DISPLAYPORT);
 626                         break;
 627                 case INTEL_OUTPUT_EDP:
 628                         crtc_mask = (1 << 1);
 629                         clone_mask = (1 << INTEL_OUTPUT_EDP);
 630                 }
 631                 encoder->possible_crtcs = crtc_mask;
 632                 encoder->possible_clones =
 633                     gma_connector_clones(dev, clone_mask);
 634         }
 635 }
 636
 637 void psb_modeset_init(struct drm_device *dev)
 638 {
 639         struct drm_psb_private *dev_priv = dev->dev_private;
 640         struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
 641         int i;
 642
 643         drm_mode_config_init(dev);
 644
 645         dev->mode_config.min_width = 0;
 646         dev->mode_config.min_height = 0;
 647
 648         dev->mode_config.funcs = &psb_mode_funcs;
 649
 650         /* set memory base */
 651         /* Oaktrail and Poulsbo should use BAR 2*/
 652         pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *)
 653                                         &(dev->mode_config.fb_base));
 654
 655         /* num pipes is 2 for PSB but 1 for Mrst */
 656         for (i = 0; i < dev_priv->num_pipe; i++)
 657                 psb_intel_crtc_init(dev, i, mode_dev);
 658
 659         dev->mode_config.max_width = 4096;
 660         dev->mode_config.max_height = 4096;
 661
 662         psb_setup_outputs(dev);
 663
 664         if (dev_priv->ops->errata)
 665                 dev_priv->ops->errata(dev);
 666
 667         dev_priv->modeset = true;
 668 }
 669
 670 void psb_modeset_cleanup(struct drm_device *dev)
 671 {
 672         struct drm_psb_private *dev_priv = dev->dev_private;
 673         if (dev_priv->modeset) {
 674                 drm_kms_helper_poll_fini(dev);
 675                 psb_fbdev_fini(dev);
 676                 drm_mode_config_cleanup(dev);
 677         }
 678 }