drivers/gpu/drm/gma500/psb_drv.c

   1 /**************************************************************************
   2  * Copyright (c) 2007-2011, Intel Corporation.
   3  * All Rights Reserved.
   4  * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA.
   5  * All Rights Reserved.
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms and conditions of the GNU General Public License,
   9  * version 2, as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  **************************************************************************/
  21
  22 #include <drm/drmP.h>
  23 #include <drm/drm.h>
  24 #include <drm/gma_drm.h>
  25 #include "psb_drv.h"
  26 #include "framebuffer.h"
  27 #include "psb_reg.h"
  28 #include "psb_intel_reg.h"
  29 #include "intel_bios.h"
  30 #include "mid_bios.h"
  31 #include <drm/drm_pciids.h>
  32 #include "power.h"
  33 #include <linux/cpu.h>
  34 #include <linux/notifier.h>
  35 #include <linux/spinlock.h>
  36 #include <linux/pm_runtime.h>
  37 #include <acpi/video.h>
  38 #include <linux/module.h>
  39
  40 static int drm_psb_trap_pagefaults;
  41
  42 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  43
  44 MODULE_PARM_DESC(trap_pagefaults, "Error and reset on MMU pagefaults");
  45 module_param_named(trap_pagefaults, drm_psb_trap_pagefaults, int, 0600);
  46
  47
  48 static DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
  49         { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
  50         { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
  51 #if defined(CONFIG_DRM_GMA600)
  52         { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  53         { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  54         { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  55         { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  56         { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  57         { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  58         { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  59         { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  60         /* Atom E620 */
  61         { 0x8086, 0x4108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
  62 #endif
  63 #if defined(CONFIG_DRM_MEDFIELD)
  64         {0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
  65         {0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
  66         {0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
  67         {0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
  68         {0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
  69         {0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
  70         {0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
  71         {0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
  72 #endif
  73 #if defined(CONFIG_DRM_GMA3600)
  74         { 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  75         { 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  76         { 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  77         { 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  78         { 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  79         { 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  80         { 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  81         { 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  82         { 0x8086, 0x0be8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  83         { 0x8086, 0x0be9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  84         { 0x8086, 0x0bea, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  85         { 0x8086, 0x0beb, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  86         { 0x8086, 0x0bec, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  87         { 0x8086, 0x0bed, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  88         { 0x8086, 0x0bee, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  89         { 0x8086, 0x0bef, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
  90 #endif
  91         { 0, }
  92 };
  93 MODULE_DEVICE_TABLE(pci, pciidlist);
  94
  95 /*
  96  * Standard IOCTLs.
  97  */
  98
  99 #define DRM_IOCTL_GMA_ADB       \
 100                 DRM_IOWR(DRM_GMA_ADB + DRM_COMMAND_BASE, uint32_t)
 101 #define DRM_IOCTL_GMA_MODE_OPERATION    \
 102                 DRM_IOWR(DRM_GMA_MODE_OPERATION + DRM_COMMAND_BASE, \
 103                          struct drm_psb_mode_operation_arg)
 104 #define DRM_IOCTL_GMA_STOLEN_MEMORY     \
 105                 DRM_IOWR(DRM_GMA_STOLEN_MEMORY + DRM_COMMAND_BASE, \
 106                          struct drm_psb_stolen_memory_arg)
 107 #define DRM_IOCTL_GMA_GAMMA     \
 108                 DRM_IOWR(DRM_GMA_GAMMA + DRM_COMMAND_BASE, \
 109                          struct drm_psb_dpst_lut_arg)
 110 #define DRM_IOCTL_GMA_DPST_BL   \
 111                 DRM_IOWR(DRM_GMA_DPST_BL + DRM_COMMAND_BASE, \
 112                          uint32_t)
 113 #define DRM_IOCTL_GMA_GET_PIPE_FROM_CRTC_ID     \
 114                 DRM_IOWR(DRM_GMA_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \
 115                          struct drm_psb_get_pipe_from_crtc_id_arg)
 116 #define DRM_IOCTL_GMA_GEM_CREATE        \
 117                 DRM_IOWR(DRM_GMA_GEM_CREATE + DRM_COMMAND_BASE, \
 118                          struct drm_psb_gem_create)
 119 #define DRM_IOCTL_GMA_GEM_MMAP  \
 120                 DRM_IOWR(DRM_GMA_GEM_MMAP + DRM_COMMAND_BASE, \
 121                          struct drm_psb_gem_mmap)
 122
 123 static int psb_adb_ioctl(struct drm_device *dev, void *data,
 124                          struct drm_file *file_priv);
 125 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
 126                                     struct drm_file *file_priv);
 127 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
 128                                    struct drm_file *file_priv);
 129 static int psb_gamma_ioctl(struct drm_device *dev, void *data,
 130                            struct drm_file *file_priv);
 131 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
 132                              struct drm_file *file_priv);
 133
 134 static const struct drm_ioctl_desc psb_ioctls[] = {
 135         DRM_IOCTL_DEF_DRV(GMA_ADB, psb_adb_ioctl, DRM_AUTH),
 136         DRM_IOCTL_DEF_DRV(GMA_MODE_OPERATION, psb_mode_operation_ioctl,
 137                       DRM_AUTH),
 138         DRM_IOCTL_DEF_DRV(GMA_STOLEN_MEMORY, psb_stolen_memory_ioctl,
 139                       DRM_AUTH),
 140         DRM_IOCTL_DEF_DRV(GMA_GAMMA, psb_gamma_ioctl, DRM_AUTH),
 141         DRM_IOCTL_DEF_DRV(GMA_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH),
 142         DRM_IOCTL_DEF_DRV(GMA_GET_PIPE_FROM_CRTC_ID,
 143                                         psb_intel_get_pipe_from_crtc_id, 0),
 144         DRM_IOCTL_DEF_DRV(GMA_GEM_CREATE, psb_gem_create_ioctl,
 145                                                 DRM_UNLOCKED | DRM_AUTH),
 146         DRM_IOCTL_DEF_DRV(GMA_GEM_MMAP, psb_gem_mmap_ioctl,
 147                                                 DRM_UNLOCKED | DRM_AUTH),
 148 };
 149
 150 static void psb_lastclose(struct drm_device *dev)
 151 {
 152         int ret;
 153         struct drm_psb_private *dev_priv = dev->dev_private;
 154         struct psb_fbdev *fbdev = dev_priv->fbdev;
 155
 156         drm_modeset_lock_all(dev);
 157         ret = drm_fb_helper_restore_fbdev_mode(&fbdev->psb_fb_helper);
 158         if (ret)
 159                 DRM_DEBUG("failed to restore crtc mode\n");
 160         drm_modeset_unlock_all(dev);
 161
 162         return;
 163 }
 164
 165 static int psb_do_init(struct drm_device *dev)
 166 {
 167         struct drm_psb_private *dev_priv = dev->dev_private;
 168         struct psb_gtt *pg = &dev_priv->gtt;
 169
 170         uint32_t stolen_gtt;
 171
 172         int ret = -ENOMEM;
 173
 174         if (pg->mmu_gatt_start & 0x0FFFFFFF) {
 175                 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
 176                 ret = -EINVAL;
 177                 goto out_err;
 178         }
 179
 180
 181         stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
 182         stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
 183         stolen_gtt =
 184             (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
 185
 186         dev_priv->gatt_free_offset = pg->mmu_gatt_start +
 187             (stolen_gtt << PAGE_SHIFT) * 1024;
 188
 189         spin_lock_init(&dev_priv->irqmask_lock);
 190         spin_lock_init(&dev_priv->lock_2d);
 191
 192         PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
 193         PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
 194         PSB_RSGX32(PSB_CR_BIF_BANK1);
 195         PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK,
 196                                                         PSB_CR_BIF_CTRL);
 197         psb_spank(dev_priv);
 198
 199         /* mmu_gatt ?? */
 200         PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
 201         return 0;
 202 out_err:
 203         return ret;
 204 }
 205
 206 static int psb_driver_unload(struct drm_device *dev)
 207 {
 208         struct drm_psb_private *dev_priv = dev->dev_private;
 209
 210         /* Kill vblank etc here */
 211
 212
 213         if (dev_priv) {
 214                 if (dev_priv->backlight_device)
 215                         gma_backlight_exit(dev);
 216                 psb_modeset_cleanup(dev);
 217
 218                 if (dev_priv->ops->chip_teardown)
 219                         dev_priv->ops->chip_teardown(dev);
 220
 221                 psb_intel_opregion_fini(dev);
 222
 223                 if (dev_priv->pf_pd) {
 224                         psb_mmu_free_pagedir(dev_priv->pf_pd);
 225                         dev_priv->pf_pd = NULL;
 226                 }
 227                 if (dev_priv->mmu) {
 228                         struct psb_gtt *pg = &dev_priv->gtt;
 229
 230                         down_read(&pg->sem);
 231                         psb_mmu_remove_pfn_sequence(
 232                                 psb_mmu_get_default_pd
 233                                 (dev_priv->mmu),
 234                                 pg->mmu_gatt_start,
 235                                 dev_priv->vram_stolen_size >> PAGE_SHIFT);
 236                         up_read(&pg->sem);
 237                         psb_mmu_driver_takedown(dev_priv->mmu);
 238                         dev_priv->mmu = NULL;
 239                 }
 240                 psb_gtt_takedown(dev);
 241                 if (dev_priv->scratch_page) {
 242                         set_pages_wb(dev_priv->scratch_page, 1);
 243                         __free_page(dev_priv->scratch_page);
 244                         dev_priv->scratch_page = NULL;
 245                 }
 246                 if (dev_priv->vdc_reg) {
 247                         iounmap(dev_priv->vdc_reg);
 248                         dev_priv->vdc_reg = NULL;
 249                 }
 250                 if (dev_priv->sgx_reg) {
 251                         iounmap(dev_priv->sgx_reg);
 252                         dev_priv->sgx_reg = NULL;
 253                 }
 254
 255                 /* Destroy VBT data */
 256                 psb_intel_destroy_bios(dev);
 257
 258                 kfree(dev_priv);
 259                 dev->dev_private = NULL;
 260         }
 261         gma_power_uninit(dev);
 262         return 0;
 263 }
 264
 265
 266 static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
 267 {
 268         struct drm_psb_private *dev_priv;
 269         unsigned long resource_start;
 270         unsigned long irqflags;
 271         int ret = -ENOMEM;
 272         struct drm_connector *connector;
 273         struct gma_encoder *gma_encoder;
 274
 275         dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
 276         if (dev_priv == NULL)
 277                 return -ENOMEM;
 278
 279         dev_priv->ops = (struct psb_ops *)chipset;
 280         dev_priv->dev = dev;
 281         dev->dev_private = (void *) dev_priv;
 282
 283         pci_set_master(dev->pdev);
 284
 285         dev_priv->num_pipe = dev_priv->ops->pipes;
 286
 287         resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
 288
 289         dev_priv->vdc_reg =
 290             ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
 291         if (!dev_priv->vdc_reg)
 292                 goto out_err;
 293
 294         dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
 295                                                         PSB_SGX_SIZE);
 296         if (!dev_priv->sgx_reg)
 297                 goto out_err;
 298
 299         psb_intel_opregion_setup(dev);
 300
 301         ret = dev_priv->ops->chip_setup(dev);
 302         if (ret)
 303                 goto out_err;
 304
 305         /* Init OSPM support */
 306         gma_power_init(dev);
 307
 308         ret = -ENOMEM;
 309
 310         dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
 311         if (!dev_priv->scratch_page)
 312                 goto out_err;
 313
 314         set_pages_uc(dev_priv->scratch_page, 1);
 315
 316         ret = psb_gtt_init(dev, 0);
 317         if (ret)
 318                 goto out_err;
 319
 320         dev_priv->mmu = psb_mmu_driver_init((void *)0,
 321                                         drm_psb_trap_pagefaults, 0,
 322                                         dev_priv);
 323         if (!dev_priv->mmu)
 324                 goto out_err;
 325
 326         dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
 327         if (!dev_priv->pf_pd)
 328                 goto out_err;
 329
 330         psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
 331         psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
 332
 333         ret = psb_do_init(dev);
 334         if (ret)
 335                 return ret;
 336
 337         PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
 338         PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
 339
 340         acpi_video_register();
 341
 342         ret = drm_vblank_init(dev, dev_priv->num_pipe);
 343         if (ret)
 344                 goto out_err;
 345
 346         /*
 347          * Install interrupt handlers prior to powering off SGX or else we will
 348          * crash.
 349          */
 350         dev_priv->vdc_irq_mask = 0;
 351         dev_priv->pipestat[0] = 0;
 352         dev_priv->pipestat[1] = 0;
 353         dev_priv->pipestat[2] = 0;
 354         spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
 355         PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
 356         PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
 357         PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
 358         spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
 359
 360         drm_irq_install(dev);
 361
 362         dev->vblank_disable_allowed = 1;
 363
 364         dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
 365
 366         dev->driver->get_vblank_counter = psb_get_vblank_counter;
 367
 368         psb_modeset_init(dev);
 369         psb_fbdev_init(dev);
 370         drm_kms_helper_poll_init(dev);
 371
 372         /* Only add backlight support if we have LVDS output */
 373         list_for_each_entry(connector, &dev->mode_config.connector_list,
 374                             head) {
 375                 gma_encoder = gma_attached_encoder(connector);
 376
 377                 switch (gma_encoder->type) {
 378                 case INTEL_OUTPUT_LVDS:
 379                 case INTEL_OUTPUT_MIPI:
 380                         ret = gma_backlight_init(dev);
 381                         break;
 382                 }
 383         }
 384
 385         if (ret)
 386                 return ret;
 387         psb_intel_opregion_enable_asle(dev);
 388 #if 0
 389         /*enable runtime pm at last*/
 390         pm_runtime_enable(&dev->pdev->dev);
 391         pm_runtime_set_active(&dev->pdev->dev);
 392 #endif
 393         /*Intel drm driver load is done, continue doing pvr load*/
 394         return 0;
 395 out_err:
 396         psb_driver_unload(dev);
 397         return ret;
 398 }
 399
 400 static int psb_driver_device_is_agp(struct drm_device *dev)
 401 {
 402         return 0;
 403 }
 404
 405 static inline void get_brightness(struct backlight_device *bd)
 406 {
 407 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
 408         if (bd) {
 409                 bd->props.brightness = bd->ops->get_brightness(bd);
 410                 backlight_update_status(bd);
 411         }
 412 #endif
 413 }
 414
 415 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
 416                        struct drm_file *file_priv)
 417 {
 418         struct drm_psb_private *dev_priv = psb_priv(dev);
 419         uint32_t *arg = data;
 420
 421         dev_priv->blc_adj2 = *arg;
 422         get_brightness(dev_priv->backlight_device);
 423         return 0;
 424 }
 425
 426 static int psb_adb_ioctl(struct drm_device *dev, void *data,
 427                         struct drm_file *file_priv)
 428 {
 429         struct drm_psb_private *dev_priv = psb_priv(dev);
 430         uint32_t *arg = data;
 431
 432         dev_priv->blc_adj1 = *arg;
 433         get_brightness(dev_priv->backlight_device);
 434         return 0;
 435 }
 436
 437 static int psb_gamma_ioctl(struct drm_device *dev, void *data,
 438                            struct drm_file *file_priv)
 439 {
 440         struct drm_psb_dpst_lut_arg *lut_arg = data;
 441         struct drm_mode_object *obj;
 442         struct drm_crtc *crtc;
 443         struct drm_connector *connector;
 444         struct gma_crtc *gma_crtc;
 445         int i = 0;
 446         int32_t obj_id;
 447
 448         obj_id = lut_arg->output_id;
 449         obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
 450         if (!obj) {
 451                 dev_dbg(dev->dev, "Invalid Connector object.\n");
 452                 return -EINVAL;
 453         }
 454
 455         connector = obj_to_connector(obj);
 456         crtc = connector->encoder->crtc;
 457         gma_crtc = to_gma_crtc(crtc);
 458
 459         for (i = 0; i < 256; i++)
 460                 gma_crtc->lut_adj[i] = lut_arg->lut[i];
 461
 462         gma_crtc_load_lut(crtc);
 463
 464         return 0;
 465 }
 466
 467 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
 468                                 struct drm_file *file_priv)
 469 {
 470         uint32_t obj_id;
 471         uint16_t op;
 472         struct drm_mode_modeinfo *umode;
 473         struct drm_display_mode *mode = NULL;
 474         struct drm_psb_mode_operation_arg *arg;
 475         struct drm_mode_object *obj;
 476         struct drm_connector *connector;
 477         struct drm_connector_helper_funcs *connector_funcs;
 478         int ret = 0;
 479         int resp = MODE_OK;
 480
 481         arg = (struct drm_psb_mode_operation_arg *)data;
 482         obj_id = arg->obj_id;
 483         op = arg->operation;
 484
 485         switch (op) {
 486         case PSB_MODE_OPERATION_MODE_VALID:
 487                 umode = &arg->mode;
 488
 489                 drm_modeset_lock_all(dev);
 490
 491                 obj = drm_mode_object_find(dev, obj_id,
 492                                         DRM_MODE_OBJECT_CONNECTOR);
 493                 if (!obj) {
 494                         ret = -EINVAL;
 495                         goto mode_op_out;
 496                 }
 497
 498                 connector = obj_to_connector(obj);
 499
 500                 mode = drm_mode_create(dev);
 501                 if (!mode) {
 502                         ret = -ENOMEM;
 503                         goto mode_op_out;
 504                 }
 505
 506                 /* drm_crtc_convert_umode(mode, umode); */
 507                 {
 508                         mode->clock = umode->clock;
 509                         mode->hdisplay = umode->hdisplay;
 510                         mode->hsync_start = umode->hsync_start;
 511                         mode->hsync_end = umode->hsync_end;
 512                         mode->htotal = umode->htotal;
 513                         mode->hskew = umode->hskew;
 514                         mode->vdisplay = umode->vdisplay;
 515                         mode->vsync_start = umode->vsync_start;
 516                         mode->vsync_end = umode->vsync_end;
 517                         mode->vtotal = umode->vtotal;
 518                         mode->vscan = umode->vscan;
 519                         mode->vrefresh = umode->vrefresh;
 520                         mode->flags = umode->flags;
 521                         mode->type = umode->type;
 522                         strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
 523                         mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
 524                 }
 525
 526                 connector_funcs = (struct drm_connector_helper_funcs *)
 527                                    connector->helper_private;
 528
 529                 if (connector_funcs->mode_valid) {
 530                         resp = connector_funcs->mode_valid(connector, mode);
 531                         arg->data = resp;
 532                 }
 533
 534                 /*do some clean up work*/
 535                 if (mode)
 536                         drm_mode_destroy(dev, mode);
 537 mode_op_out:
 538                 drm_modeset_unlock_all(dev);
 539                 return ret;
 540
 541         default:
 542                 dev_dbg(dev->dev, "Unsupported psb mode operation\n");
 543                 return -EOPNOTSUPP;
 544         }
 545
 546         return 0;
 547 }
 548
 549 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
 550                                    struct drm_file *file_priv)
 551 {
 552         struct drm_psb_private *dev_priv = psb_priv(dev);
 553         struct drm_psb_stolen_memory_arg *arg = data;
 554
 555         arg->base = dev_priv->stolen_base;
 556         arg->size = dev_priv->vram_stolen_size;
 557
 558         return 0;
 559 }
 560
 561 static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
 562 {
 563         return 0;
 564 }
 565
 566 static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
 567 {
 568 }
 569
 570 static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
 571                                unsigned long arg)
 572 {
 573         struct drm_file *file_priv = filp->private_data;
 574         struct drm_device *dev = file_priv->minor->dev;
 575         struct drm_psb_private *dev_priv = dev->dev_private;
 576         static unsigned int runtime_allowed;
 577
 578         if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
 579                 runtime_allowed++;
 580                 pm_runtime_allow(&dev->pdev->dev);
 581                 dev_priv->rpm_enabled = 1;
 582         }
 583         return drm_ioctl(filp, cmd, arg);
 584         /* FIXME: do we need to wrap the other side of this */
 585 }
 586
 587
 588 /* When a client dies:
 589  *    - Check for and clean up flipped page state
 590  */
 591 static void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
 592 {
 593 }
 594
 595 static void psb_remove(struct pci_dev *pdev)
 596 {
 597         struct drm_device *dev = pci_get_drvdata(pdev);
 598         drm_put_dev(dev);
 599 }
 600
 601 static const struct dev_pm_ops psb_pm_ops = {
 602         .resume = gma_power_resume,
 603         .suspend = gma_power_suspend,
 604         .thaw = gma_power_thaw,
 605         .freeze = gma_power_freeze,
 606         .restore = gma_power_restore,
 607         .runtime_suspend = psb_runtime_suspend,
 608         .runtime_resume = psb_runtime_resume,
 609         .runtime_idle = psb_runtime_idle,
 610 };
 611
 612 static const struct vm_operations_struct psb_gem_vm_ops = {
 613         .fault = psb_gem_fault,
 614         .open = drm_gem_vm_open,
 615         .close = drm_gem_vm_close,
 616 };
 617
 618 static const struct file_operations psb_gem_fops = {
 619         .owner = THIS_MODULE,
 620         .open = drm_open,
 621         .release = drm_release,
 622         .unlocked_ioctl = psb_unlocked_ioctl,
 623         .mmap = drm_gem_mmap,
 624         .poll = drm_poll,
 625         .read = drm_read,
 626 };
 627
 628 static struct drm_driver driver = {
 629         .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
 630                            DRIVER_MODESET | DRIVER_GEM ,
 631         .load = psb_driver_load,
 632         .unload = psb_driver_unload,
 633
 634         .ioctls = psb_ioctls,
 635         .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
 636         .device_is_agp = psb_driver_device_is_agp,
 637         .irq_preinstall = psb_irq_preinstall,
 638         .irq_postinstall = psb_irq_postinstall,
 639         .irq_uninstall = psb_irq_uninstall,
 640         .irq_handler = psb_irq_handler,
 641         .enable_vblank = psb_enable_vblank,
 642         .disable_vblank = psb_disable_vblank,
 643         .get_vblank_counter = psb_get_vblank_counter,
 644         .lastclose = psb_lastclose,
 645         .open = psb_driver_open,
 646         .preclose = psb_driver_preclose,
 647         .postclose = psb_driver_close,
 648
 649         .gem_init_object = psb_gem_init_object,
 650         .gem_free_object = psb_gem_free_object,
 651         .gem_vm_ops = &psb_gem_vm_ops,
 652         .dumb_create = psb_gem_dumb_create,
 653         .dumb_map_offset = psb_gem_dumb_map_gtt,
 654         .dumb_destroy = drm_gem_dumb_destroy,
 655         .fops = &psb_gem_fops,
 656         .name = DRIVER_NAME,
 657         .desc = DRIVER_DESC,
 658         .date = PSB_DRM_DRIVER_DATE,
 659         .major = PSB_DRM_DRIVER_MAJOR,
 660         .minor = PSB_DRM_DRIVER_MINOR,
 661         .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
 662 };
 663
 664 static struct pci_driver psb_pci_driver = {
 665         .name = DRIVER_NAME,
 666         .id_table = pciidlist,
 667         .probe = psb_probe,
 668         .remove = psb_remove,
 669         .driver = {
 670                 .pm = &psb_pm_ops,
 671         }
 672 };
 673
 674 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 675 {
 676         return drm_get_pci_dev(pdev, ent, &driver);
 677 }
 678
 679 static int __init psb_init(void)
 680 {
 681         return drm_pci_init(&driver, &psb_pci_driver);
 682 }
 683
 684 static void __exit psb_exit(void)
 685 {
 686         drm_pci_exit(&driver, &psb_pci_driver);
 687 }
 688
 689 late_initcall(psb_init);
 690 module_exit(psb_exit);
 691
 692 MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
 693 MODULE_DESCRIPTION(DRIVER_DESC);
 694 MODULE_LICENSE("GPL");