1 /**************************************************************************
2 * Copyright (c) 2007-2011, Intel Corporation.
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.
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
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.
18 **************************************************************************/
20 #include <linux/module.h>
21 #include <linux/kernel.h>
22 #include <linux/errno.h>
23 #include <linux/string.h>
25 #include <linux/tty.h>
26 #include <linux/slab.h>
27 #include <linux/delay.h>
29 #include <linux/init.h>
30 #include <linux/console.h>
34 #include <drm/drm_crtc.h>
35 #include <drm/drm_fb_helper.h>
38 #include "psb_intel_reg.h"
39 #include "psb_intel_drv.h"
40 #include "framebuffer.h"
43 static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb);
44 static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
45 struct drm_file *file_priv,
46 unsigned int *handle);
48 static const struct drm_framebuffer_funcs psb_fb_funcs = {
49 .destroy = psb_user_framebuffer_destroy,
50 .create_handle = psb_user_framebuffer_create_handle,
53 #define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16)
55 static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green,
56 unsigned blue, unsigned transp,
59 struct psb_fbdev *fbdev = info->par;
60 struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb;
69 red = CMAP_TOHW(red, info->var.red.length);
70 blue = CMAP_TOHW(blue, info->var.blue.length);
71 green = CMAP_TOHW(green, info->var.green.length);
72 transp = CMAP_TOHW(transp, info->var.transp.length);
74 v = (red << info->var.red.offset) |
75 (green << info->var.green.offset) |
76 (blue << info->var.blue.offset) |
77 (transp << info->var.transp.offset);
80 switch (fb->bits_per_pixel) {
82 ((uint32_t *) info->pseudo_palette)[regno] = v;
86 ((uint32_t *) info->pseudo_palette)[regno] = v;
94 static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info)
96 struct psb_fbdev *fbdev = info->par;
97 struct psb_framebuffer *psbfb = &fbdev->pfb;
98 struct drm_device *dev = psbfb->base.dev;
101 * We have to poke our nose in here. The core fb code assumes
102 * panning is part of the hardware that can be invoked before
103 * the actual fb is mapped. In our case that isn't quite true.
105 if (psbfb->gtt->npage) {
106 /* GTT roll shifts in 4K pages, we need to shift the right
108 int pages = info->fix.line_length >> 12;
109 psb_gtt_roll(dev, psbfb->gtt, var->yoffset * pages);
114 static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
116 struct psb_framebuffer *psbfb = vma->vm_private_data;
117 struct drm_device *dev = psbfb->base.dev;
118 struct drm_psb_private *dev_priv = dev->dev_private;
121 unsigned long address;
124 /* FIXME: assumes fb at stolen base which may not be true */
125 unsigned long phys_addr = (unsigned long)dev_priv->stolen_base;
127 page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
128 address = (unsigned long)vmf->virtual_address - (vmf->pgoff << PAGE_SHIFT);
130 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
132 for (i = 0; i < page_num; i++) {
133 pfn = (phys_addr >> PAGE_SHIFT);
135 ret = vm_insert_mixed(vma, address, pfn);
136 if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0)))
138 else if (unlikely(ret != 0)) {
139 ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS;
142 address += PAGE_SIZE;
143 phys_addr += PAGE_SIZE;
145 return VM_FAULT_NOPAGE;
148 static void psbfb_vm_open(struct vm_area_struct *vma)
152 static void psbfb_vm_close(struct vm_area_struct *vma)
156 static const struct vm_operations_struct psbfb_vm_ops = {
157 .fault = psbfb_vm_fault,
158 .open = psbfb_vm_open,
159 .close = psbfb_vm_close
162 static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
164 struct psb_fbdev *fbdev = info->par;
165 struct psb_framebuffer *psbfb = &fbdev->pfb;
167 if (vma->vm_pgoff != 0)
169 if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
172 if (!psbfb->addr_space)
173 psbfb->addr_space = vma->vm_file->f_mapping;
175 * If this is a GEM object then info->screen_base is the virtual
176 * kernel remapping of the object. FIXME: Review if this is
177 * suitable for our mmap work
179 vma->vm_ops = &psbfb_vm_ops;
180 vma->vm_private_data = (void *)psbfb;
181 vma->vm_flags |= VM_IO | VM_MIXEDMAP | VM_DONTEXPAND | VM_DONTDUMP;
185 static int psbfb_ioctl(struct fb_info *info, unsigned int cmd,
191 static struct fb_ops psbfb_ops = {
192 .owner = THIS_MODULE,
193 .fb_check_var = drm_fb_helper_check_var,
194 .fb_set_par = drm_fb_helper_set_par,
195 .fb_blank = drm_fb_helper_blank,
196 .fb_setcolreg = psbfb_setcolreg,
197 .fb_fillrect = cfb_fillrect,
198 .fb_copyarea = psbfb_copyarea,
199 .fb_imageblit = cfb_imageblit,
200 .fb_mmap = psbfb_mmap,
201 .fb_sync = psbfb_sync,
202 .fb_ioctl = psbfb_ioctl,
205 static struct fb_ops psbfb_roll_ops = {
206 .owner = THIS_MODULE,
207 .fb_check_var = drm_fb_helper_check_var,
208 .fb_set_par = drm_fb_helper_set_par,
209 .fb_blank = drm_fb_helper_blank,
210 .fb_setcolreg = psbfb_setcolreg,
211 .fb_fillrect = cfb_fillrect,
212 .fb_copyarea = cfb_copyarea,
213 .fb_imageblit = cfb_imageblit,
214 .fb_pan_display = psbfb_pan,
215 .fb_mmap = psbfb_mmap,
216 .fb_ioctl = psbfb_ioctl,
219 static struct fb_ops psbfb_unaccel_ops = {
220 .owner = THIS_MODULE,
221 .fb_check_var = drm_fb_helper_check_var,
222 .fb_set_par = drm_fb_helper_set_par,
223 .fb_blank = drm_fb_helper_blank,
224 .fb_setcolreg = psbfb_setcolreg,
225 .fb_fillrect = cfb_fillrect,
226 .fb_copyarea = cfb_copyarea,
227 .fb_imageblit = cfb_imageblit,
228 .fb_mmap = psbfb_mmap,
229 .fb_ioctl = psbfb_ioctl,
233 * psb_framebuffer_init - initialize a framebuffer
234 * @dev: our DRM device
235 * @fb: framebuffer to set up
236 * @mode_cmd: mode description
237 * @gt: backing object
239 * Configure and fill in the boilerplate for our frame buffer. Return
240 * 0 on success or an error code if we fail.
242 static int psb_framebuffer_init(struct drm_device *dev,
243 struct psb_framebuffer *fb,
244 struct drm_mode_fb_cmd2 *mode_cmd,
245 struct gtt_range *gt)
250 drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp);
252 if (mode_cmd->pitches[0] & 63)
263 ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs);
265 dev_err(dev->dev, "framebuffer init failed: %d\n", ret);
268 drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd);
274 * psb_framebuffer_create - create a framebuffer backed by gt
275 * @dev: our DRM device
276 * @mode_cmd: the description of the requested mode
277 * @gt: the backing object
279 * Create a framebuffer object backed by the gt, and fill in the
280 * boilerplate required
282 * TODO: review object references
285 static struct drm_framebuffer *psb_framebuffer_create
286 (struct drm_device *dev,
287 struct drm_mode_fb_cmd2 *mode_cmd,
288 struct gtt_range *gt)
290 struct psb_framebuffer *fb;
293 fb = kzalloc(sizeof(*fb), GFP_KERNEL);
295 return ERR_PTR(-ENOMEM);
297 ret = psb_framebuffer_init(dev, fb, mode_cmd, gt);
306 * psbfb_alloc - allocate frame buffer memory
307 * @dev: the DRM device
308 * @aligned_size: space needed
309 * @force: fall back to GEM buffers if need be
311 * Allocate the frame buffer. In the usual case we get a GTT range that
312 * is stolen memory backed and life is simple. If there isn't sufficient
313 * we fail as we don't have the virtual mapping space to really vmap it
314 * and the kernel console code can't handle non linear framebuffers.
316 * Re-address this as and if the framebuffer layer grows this ability.
318 static struct gtt_range *psbfb_alloc(struct drm_device *dev, int aligned_size)
320 struct gtt_range *backing;
321 /* Begin by trying to use stolen memory backing */
322 backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1);
324 if (drm_gem_private_object_init(dev,
325 &backing->gem, aligned_size) == 0)
327 psb_gtt_free_range(dev, backing);
333 * psbfb_create - create a framebuffer
334 * @fbdev: the framebuffer device
335 * @sizes: specification of the layout
337 * Create a framebuffer to the specifications provided
339 static int psbfb_create(struct psb_fbdev *fbdev,
340 struct drm_fb_helper_surface_size *sizes)
342 struct drm_device *dev = fbdev->psb_fb_helper.dev;
343 struct drm_psb_private *dev_priv = dev->dev_private;
344 struct fb_info *info;
345 struct drm_framebuffer *fb;
346 struct psb_framebuffer *psbfb = &fbdev->pfb;
347 struct drm_mode_fb_cmd2 mode_cmd;
348 struct device *device = &dev->pdev->dev;
351 struct gtt_range *backing;
356 mode_cmd.width = sizes->surface_width;
357 mode_cmd.height = sizes->surface_height;
358 bpp = sizes->surface_bpp;
359 depth = sizes->surface_depth;
361 /* No 24bit packed */
367 * Acceleration via the GTT requires pitch to be
368 * power of two aligned. Preferably page but less
369 * is ok with some fonts
371 mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 4096 >> pitch_lines);
373 size = mode_cmd.pitches[0] * mode_cmd.height;
374 size = ALIGN(size, PAGE_SIZE);
376 /* Allocate the fb in the GTT with stolen page backing */
377 backing = psbfb_alloc(dev, size);
384 } while (backing == NULL && pitch_lines <= 16);
386 /* The final pitch we accepted if we succeeded */
389 if (backing == NULL) {
391 * We couldn't get the space we wanted, fall back to the
392 * display engine requirement instead. The HW requires
393 * the pitch to be 64 byte aligned
396 gtt_roll = 0; /* Don't use GTT accelerated scrolling */
399 mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 64);
401 size = mode_cmd.pitches[0] * mode_cmd.height;
402 size = ALIGN(size, PAGE_SIZE);
404 /* Allocate the framebuffer in the GTT with stolen page backing */
405 backing = psbfb_alloc(dev, size);
410 memset(dev_priv->vram_addr + backing->offset, 0, size);
412 mutex_lock(&dev->struct_mutex);
414 info = framebuffer_alloc(0, device);
421 mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth);
423 ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing);
430 fbdev->psb_fb_helper.fb = fb;
431 fbdev->psb_fb_helper.fbdev = info;
433 drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
434 strcpy(info->fix.id, "psbfb");
436 info->flags = FBINFO_DEFAULT;
437 if (dev_priv->ops->accel_2d && pitch_lines > 8) /* 2D engine */
438 info->fbops = &psbfb_ops;
439 else if (gtt_roll) { /* GTT rolling seems best */
440 info->fbops = &psbfb_roll_ops;
441 info->flags |= FBINFO_HWACCEL_YPAN;
442 } else /* Software */
443 info->fbops = &psbfb_unaccel_ops;
445 ret = fb_alloc_cmap(&info->cmap, 256, 0);
451 info->fix.smem_start = dev->mode_config.fb_base;
452 info->fix.smem_len = size;
453 info->fix.ywrapstep = gtt_roll;
454 info->fix.ypanstep = 0;
456 /* Accessed stolen memory directly */
457 info->screen_base = dev_priv->vram_addr + backing->offset;
458 info->screen_size = size;
460 if (dev_priv->gtt.stolen_size) {
461 info->apertures = alloc_apertures(1);
462 if (!info->apertures) {
466 info->apertures->ranges[0].base = dev->mode_config.fb_base;
467 info->apertures->ranges[0].size = dev_priv->gtt.stolen_size;
470 drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
471 sizes->fb_width, sizes->fb_height);
473 info->fix.mmio_start = pci_resource_start(dev->pdev, 0);
474 info->fix.mmio_len = pci_resource_len(dev->pdev, 0);
476 /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
478 dev_dbg(dev->dev, "allocated %dx%d fb\n",
479 psbfb->base.width, psbfb->base.height);
481 mutex_unlock(&dev->struct_mutex);
485 psb_gtt_free_range(dev, backing);
487 drm_gem_object_unreference(&backing->gem);
489 mutex_unlock(&dev->struct_mutex);
490 psb_gtt_free_range(dev, backing);
495 * psb_user_framebuffer_create - create framebuffer
496 * @dev: our DRM device
500 * Create a new framebuffer backed by a userspace GEM object
502 static struct drm_framebuffer *psb_user_framebuffer_create
503 (struct drm_device *dev, struct drm_file *filp,
504 struct drm_mode_fb_cmd2 *cmd)
507 struct drm_gem_object *obj;
510 * Find the GEM object and thus the gtt range object that is
513 obj = drm_gem_object_lookup(dev, filp, cmd->handles[0]);
515 return ERR_PTR(-ENOENT);
517 /* Let the core code do all the work */
518 r = container_of(obj, struct gtt_range, gem);
519 return psb_framebuffer_create(dev, cmd, r);
522 static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
525 struct psb_intel_crtc *intel_crtc = to_psb_intel_crtc(crtc);
527 intel_crtc->lut_r[regno] = red >> 8;
528 intel_crtc->lut_g[regno] = green >> 8;
529 intel_crtc->lut_b[regno] = blue >> 8;
532 static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red,
533 u16 *green, u16 *blue, int regno)
535 struct psb_intel_crtc *intel_crtc = to_psb_intel_crtc(crtc);
537 *red = intel_crtc->lut_r[regno] << 8;
538 *green = intel_crtc->lut_g[regno] << 8;
539 *blue = intel_crtc->lut_b[regno] << 8;
542 static int psbfb_probe(struct drm_fb_helper *helper,
543 struct drm_fb_helper_surface_size *sizes)
545 struct psb_fbdev *psb_fbdev = (struct psb_fbdev *)helper;
546 struct drm_device *dev = psb_fbdev->psb_fb_helper.dev;
547 struct drm_psb_private *dev_priv = dev->dev_private;
552 bytespp = sizes->surface_bpp / 8;
553 if (bytespp == 3) /* no 24bit packed */
556 /* If the mode will not fit in 32bit then switch to 16bit to get
557 a console on full resolution. The X mode setting server will
558 allocate its own 32bit GEM framebuffer */
559 if (ALIGN(sizes->fb_width * bytespp, 64) * sizes->fb_height >
560 dev_priv->vram_stolen_size) {
561 sizes->surface_bpp = 16;
562 sizes->surface_depth = 16;
566 ret = psbfb_create(psb_fbdev, sizes);
574 static struct drm_fb_helper_funcs psb_fb_helper_funcs = {
575 .gamma_set = psbfb_gamma_set,
576 .gamma_get = psbfb_gamma_get,
577 .fb_probe = psbfb_probe,
580 static int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev)
582 struct fb_info *info;
583 struct psb_framebuffer *psbfb = &fbdev->pfb;
585 if (fbdev->psb_fb_helper.fbdev) {
586 info = fbdev->psb_fb_helper.fbdev;
587 unregister_framebuffer(info);
589 fb_dealloc_cmap(&info->cmap);
590 framebuffer_release(info);
592 drm_fb_helper_fini(&fbdev->psb_fb_helper);
593 drm_framebuffer_cleanup(&psbfb->base);
596 drm_gem_object_unreference(&psbfb->gtt->gem);
600 int psb_fbdev_init(struct drm_device *dev)
602 struct psb_fbdev *fbdev;
603 struct drm_psb_private *dev_priv = dev->dev_private;
605 fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL);
607 dev_err(dev->dev, "no memory\n");
611 dev_priv->fbdev = fbdev;
612 fbdev->psb_fb_helper.funcs = &psb_fb_helper_funcs;
614 drm_fb_helper_init(dev, &fbdev->psb_fb_helper, dev_priv->ops->crtcs,
617 drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper);
618 drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32);
622 static void psb_fbdev_fini(struct drm_device *dev)
624 struct drm_psb_private *dev_priv = dev->dev_private;
626 if (!dev_priv->fbdev)
629 psb_fbdev_destroy(dev, dev_priv->fbdev);
630 kfree(dev_priv->fbdev);
631 dev_priv->fbdev = NULL;
634 static void psbfb_output_poll_changed(struct drm_device *dev)
636 struct drm_psb_private *dev_priv = dev->dev_private;
637 struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev;
638 drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper);
642 * psb_user_framebuffer_create_handle - add hamdle to a framebuffer
644 * @file_priv: our DRM file
645 * @handle: returned handle
647 * Our framebuffer object is a GTT range which also contains a GEM
648 * object. We need to turn it into a handle for userspace. GEM will do
651 static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
652 struct drm_file *file_priv,
653 unsigned int *handle)
655 struct psb_framebuffer *psbfb = to_psb_fb(fb);
656 struct gtt_range *r = psbfb->gtt;
657 return drm_gem_handle_create(file_priv, &r->gem, handle);
661 * psb_user_framebuffer_destroy - destruct user created fb
664 * User framebuffers are backed by GEM objects so all we have to do is
665 * clean up a bit and drop the reference, GEM will handle the fallout
667 static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb)
669 struct psb_framebuffer *psbfb = to_psb_fb(fb);
670 struct gtt_range *r = psbfb->gtt;
671 struct drm_device *dev = fb->dev;
672 struct drm_psb_private *dev_priv = dev->dev_private;
673 struct psb_fbdev *fbdev = dev_priv->fbdev;
674 struct drm_crtc *crtc;
677 /* Should never get stolen memory for a user fb */
680 /* Check if we are erroneously live */
681 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
687 * Now force a sane response before we permit the DRM CRTC
688 * layer to do stupid things like blank the display. Instead
689 * we reset this framebuffer as if the user had forced a reset.
690 * We must do this before the cleanup so that the DRM layer
691 * doesn't get a chance to stick its oar in where it isn't
694 drm_fb_helper_restore_fbdev_mode(&fbdev->psb_fb_helper);
696 /* Let DRM do its clean up */
697 drm_framebuffer_cleanup(fb);
698 /* We are no longer using the resource in GEM */
699 drm_gem_object_unreference_unlocked(&r->gem);
703 static const struct drm_mode_config_funcs psb_mode_funcs = {
704 .fb_create = psb_user_framebuffer_create,
705 .output_poll_changed = psbfb_output_poll_changed,
708 static int psb_create_backlight_property(struct drm_device *dev)
710 struct drm_psb_private *dev_priv = dev->dev_private;
711 struct drm_property *backlight;
713 if (dev_priv->backlight_property)
716 backlight = drm_property_create_range(dev, 0, "backlight", 0, 100);
718 dev_priv->backlight_property = backlight;
723 static void psb_setup_outputs(struct drm_device *dev)
725 struct drm_psb_private *dev_priv = dev->dev_private;
726 struct drm_connector *connector;
728 drm_mode_create_scaling_mode_property(dev);
729 psb_create_backlight_property(dev);
731 dev_priv->ops->output_init(dev);
733 list_for_each_entry(connector, &dev->mode_config.connector_list,
735 struct psb_intel_encoder *psb_intel_encoder =
736 psb_intel_attached_encoder(connector);
737 struct drm_encoder *encoder = &psb_intel_encoder->base;
738 int crtc_mask = 0, clone_mask = 0;
741 switch (psb_intel_encoder->type) {
742 case INTEL_OUTPUT_ANALOG:
743 crtc_mask = (1 << 0);
744 clone_mask = (1 << INTEL_OUTPUT_ANALOG);
746 case INTEL_OUTPUT_SDVO:
747 crtc_mask = ((1 << 0) | (1 << 1));
748 clone_mask = (1 << INTEL_OUTPUT_SDVO);
750 case INTEL_OUTPUT_LVDS:
751 crtc_mask = dev_priv->ops->lvds_mask;
752 clone_mask = (1 << INTEL_OUTPUT_LVDS);
754 case INTEL_OUTPUT_MIPI:
755 crtc_mask = (1 << 0);
756 clone_mask = (1 << INTEL_OUTPUT_MIPI);
758 case INTEL_OUTPUT_MIPI2:
759 crtc_mask = (1 << 2);
760 clone_mask = (1 << INTEL_OUTPUT_MIPI2);
762 case INTEL_OUTPUT_HDMI:
763 crtc_mask = dev_priv->ops->hdmi_mask;
764 clone_mask = (1 << INTEL_OUTPUT_HDMI);
766 case INTEL_OUTPUT_DISPLAYPORT:
767 crtc_mask = (1 << 0) | (1 << 1);
768 clone_mask = (1 << INTEL_OUTPUT_DISPLAYPORT);
770 case INTEL_OUTPUT_EDP:
771 crtc_mask = (1 << 1);
772 clone_mask = (1 << INTEL_OUTPUT_EDP);
774 encoder->possible_crtcs = crtc_mask;
775 encoder->possible_clones =
776 psb_intel_connector_clones(dev, clone_mask);
780 void psb_modeset_init(struct drm_device *dev)
782 struct drm_psb_private *dev_priv = dev->dev_private;
783 struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
786 drm_mode_config_init(dev);
788 dev->mode_config.min_width = 0;
789 dev->mode_config.min_height = 0;
791 dev->mode_config.funcs = &psb_mode_funcs;
793 /* set memory base */
794 /* Oaktrail and Poulsbo should use BAR 2*/
795 pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *)
796 &(dev->mode_config.fb_base));
798 /* num pipes is 2 for PSB but 1 for Mrst */
799 for (i = 0; i < dev_priv->num_pipe; i++)
800 psb_intel_crtc_init(dev, i, mode_dev);
802 dev->mode_config.max_width = 2048;
803 dev->mode_config.max_height = 2048;
805 psb_setup_outputs(dev);
807 if (dev_priv->ops->errata)
808 dev_priv->ops->errata(dev);
810 dev_priv->modeset = true;
813 void psb_modeset_cleanup(struct drm_device *dev)
815 struct drm_psb_private *dev_priv = dev->dev_private;
816 if (dev_priv->modeset) {
817 mutex_lock(&dev->struct_mutex);
819 drm_kms_helper_poll_fini(dev);
821 drm_mode_config_cleanup(dev);
823 mutex_unlock(&dev->struct_mutex);