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
;
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 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_RESERVED
| VM_IO
|
182 VM_MIXEDMAP
| VM_DONTEXPAND
;
186 static int psbfb_ioctl(struct fb_info
*info
, unsigned int cmd
,
192 static struct fb_ops psbfb_ops
= {
193 .owner
= THIS_MODULE
,
194 .fb_check_var
= drm_fb_helper_check_var
,
195 .fb_set_par
= drm_fb_helper_set_par
,
196 .fb_blank
= drm_fb_helper_blank
,
197 .fb_setcolreg
= psbfb_setcolreg
,
198 .fb_fillrect
= cfb_fillrect
,
199 .fb_copyarea
= psbfb_copyarea
,
200 .fb_imageblit
= cfb_imageblit
,
201 .fb_mmap
= psbfb_mmap
,
202 .fb_sync
= psbfb_sync
,
203 .fb_ioctl
= psbfb_ioctl
,
206 static struct fb_ops psbfb_roll_ops
= {
207 .owner
= THIS_MODULE
,
208 .fb_check_var
= drm_fb_helper_check_var
,
209 .fb_set_par
= drm_fb_helper_set_par
,
210 .fb_blank
= drm_fb_helper_blank
,
211 .fb_setcolreg
= psbfb_setcolreg
,
212 .fb_fillrect
= cfb_fillrect
,
213 .fb_copyarea
= cfb_copyarea
,
214 .fb_imageblit
= cfb_imageblit
,
215 .fb_pan_display
= psbfb_pan
,
216 .fb_mmap
= psbfb_mmap
,
217 .fb_ioctl
= psbfb_ioctl
,
220 static struct fb_ops psbfb_unaccel_ops
= {
221 .owner
= THIS_MODULE
,
222 .fb_check_var
= drm_fb_helper_check_var
,
223 .fb_set_par
= drm_fb_helper_set_par
,
224 .fb_blank
= drm_fb_helper_blank
,
225 .fb_setcolreg
= psbfb_setcolreg
,
226 .fb_fillrect
= cfb_fillrect
,
227 .fb_copyarea
= cfb_copyarea
,
228 .fb_imageblit
= cfb_imageblit
,
229 .fb_mmap
= psbfb_mmap
,
230 .fb_ioctl
= psbfb_ioctl
,
234 * psb_framebuffer_init - initialize a framebuffer
235 * @dev: our DRM device
236 * @fb: framebuffer to set up
237 * @mode_cmd: mode description
238 * @gt: backing object
240 * Configure and fill in the boilerplate for our frame buffer. Return
241 * 0 on success or an error code if we fail.
243 static int psb_framebuffer_init(struct drm_device
*dev
,
244 struct psb_framebuffer
*fb
,
245 struct drm_mode_fb_cmd2
*mode_cmd
,
246 struct gtt_range
*gt
)
251 drm_fb_get_bpp_depth(mode_cmd
->pixel_format
, &depth
, &bpp
);
253 if (mode_cmd
->pitches
[0] & 63)
264 ret
= drm_framebuffer_init(dev
, &fb
->base
, &psb_fb_funcs
);
266 dev_err(dev
->dev
, "framebuffer init failed: %d\n", ret
);
269 drm_helper_mode_fill_fb_struct(&fb
->base
, mode_cmd
);
275 * psb_framebuffer_create - create a framebuffer backed by gt
276 * @dev: our DRM device
277 * @mode_cmd: the description of the requested mode
278 * @gt: the backing object
280 * Create a framebuffer object backed by the gt, and fill in the
281 * boilerplate required
283 * TODO: review object references
286 static struct drm_framebuffer
*psb_framebuffer_create
287 (struct drm_device
*dev
,
288 struct drm_mode_fb_cmd2
*mode_cmd
,
289 struct gtt_range
*gt
)
291 struct psb_framebuffer
*fb
;
294 fb
= kzalloc(sizeof(*fb
), GFP_KERNEL
);
296 return ERR_PTR(-ENOMEM
);
298 ret
= psb_framebuffer_init(dev
, fb
, mode_cmd
, gt
);
307 * psbfb_alloc - allocate frame buffer memory
308 * @dev: the DRM device
309 * @aligned_size: space needed
310 * @force: fall back to GEM buffers if need be
312 * Allocate the frame buffer. In the usual case we get a GTT range that
313 * is stolen memory backed and life is simple. If there isn't sufficient
314 * we fail as we don't have the virtual mapping space to really vmap it
315 * and the kernel console code can't handle non linear framebuffers.
317 * Re-address this as and if the framebuffer layer grows this ability.
319 static struct gtt_range
*psbfb_alloc(struct drm_device
*dev
, int aligned_size
)
321 struct gtt_range
*backing
;
322 /* Begin by trying to use stolen memory backing */
323 backing
= psb_gtt_alloc_range(dev
, aligned_size
, "fb", 1);
325 if (drm_gem_private_object_init(dev
,
326 &backing
->gem
, aligned_size
) == 0)
328 psb_gtt_free_range(dev
, backing
);
334 * psbfb_create - create a framebuffer
335 * @fbdev: the framebuffer device
336 * @sizes: specification of the layout
338 * Create a framebuffer to the specifications provided
340 static int psbfb_create(struct psb_fbdev
*fbdev
,
341 struct drm_fb_helper_surface_size
*sizes
)
343 struct drm_device
*dev
= fbdev
->psb_fb_helper
.dev
;
344 struct drm_psb_private
*dev_priv
= dev
->dev_private
;
345 struct fb_info
*info
;
346 struct drm_framebuffer
*fb
;
347 struct psb_framebuffer
*psbfb
= &fbdev
->pfb
;
348 struct drm_mode_fb_cmd2 mode_cmd
;
349 struct device
*device
= &dev
->pdev
->dev
;
352 struct gtt_range
*backing
;
357 mode_cmd
.width
= sizes
->surface_width
;
358 mode_cmd
.height
= sizes
->surface_height
;
359 bpp
= sizes
->surface_bpp
;
360 depth
= sizes
->surface_depth
;
362 /* No 24bit packed */
368 * Acceleration via the GTT requires pitch to be
369 * power of two aligned. Preferably page but less
370 * is ok with some fonts
372 mode_cmd
.pitches
[0] = ALIGN(mode_cmd
.width
* ((bpp
+ 7) / 8), 4096 >> pitch_lines
);
374 size
= mode_cmd
.pitches
[0] * mode_cmd
.height
;
375 size
= ALIGN(size
, PAGE_SIZE
);
377 /* Allocate the fb in the GTT with stolen page backing */
378 backing
= psbfb_alloc(dev
, size
);
385 } while (backing
== NULL
&& pitch_lines
<= 16);
387 /* The final pitch we accepted if we succeeded */
390 if (backing
== NULL
) {
392 * We couldn't get the space we wanted, fall back to the
393 * display engine requirement instead. The HW requires
394 * the pitch to be 64 byte aligned
397 gtt_roll
= 0; /* Don't use GTT accelerated scrolling */
400 mode_cmd
.pitches
[0] = ALIGN(mode_cmd
.width
* ((bpp
+ 7) / 8), 64);
402 size
= mode_cmd
.pitches
[0] * mode_cmd
.height
;
403 size
= ALIGN(size
, PAGE_SIZE
);
405 /* Allocate the framebuffer in the GTT with stolen page backing */
406 backing
= psbfb_alloc(dev
, size
);
411 mutex_lock(&dev
->struct_mutex
);
413 info
= framebuffer_alloc(0, device
);
420 mode_cmd
.pixel_format
= drm_mode_legacy_fb_format(bpp
, depth
);
422 ret
= psb_framebuffer_init(dev
, psbfb
, &mode_cmd
, backing
);
429 fbdev
->psb_fb_helper
.fb
= fb
;
430 fbdev
->psb_fb_helper
.fbdev
= info
;
432 drm_fb_helper_fill_fix(info
, fb
->pitches
[0], fb
->depth
);
433 strcpy(info
->fix
.id
, "psbfb");
435 info
->flags
= FBINFO_DEFAULT
;
436 if (dev_priv
->ops
->accel_2d
&& pitch_lines
> 8) /* 2D engine */
437 info
->fbops
= &psbfb_ops
;
438 else if (gtt_roll
) { /* GTT rolling seems best */
439 info
->fbops
= &psbfb_roll_ops
;
440 info
->flags
|= FBINFO_HWACCEL_YPAN
;
441 } else /* Software */
442 info
->fbops
= &psbfb_unaccel_ops
;
444 ret
= fb_alloc_cmap(&info
->cmap
, 256, 0);
450 info
->fix
.smem_start
= dev
->mode_config
.fb_base
;
451 info
->fix
.smem_len
= size
;
452 info
->fix
.ywrapstep
= gtt_roll
;
453 info
->fix
.ypanstep
= 0;
455 /* Accessed stolen memory directly */
456 info
->screen_base
= (char *)dev_priv
->vram_addr
+
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_info(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
;
550 ret
= psbfb_create(psb_fbdev
, sizes
);
558 struct drm_fb_helper_funcs psb_fb_helper_funcs
= {
559 .gamma_set
= psbfb_gamma_set
,
560 .gamma_get
= psbfb_gamma_get
,
561 .fb_probe
= psbfb_probe
,
564 static int psb_fbdev_destroy(struct drm_device
*dev
, struct psb_fbdev
*fbdev
)
566 struct fb_info
*info
;
567 struct psb_framebuffer
*psbfb
= &fbdev
->pfb
;
569 if (fbdev
->psb_fb_helper
.fbdev
) {
570 info
= fbdev
->psb_fb_helper
.fbdev
;
571 unregister_framebuffer(info
);
573 fb_dealloc_cmap(&info
->cmap
);
574 framebuffer_release(info
);
576 drm_fb_helper_fini(&fbdev
->psb_fb_helper
);
577 drm_framebuffer_cleanup(&psbfb
->base
);
580 drm_gem_object_unreference(&psbfb
->gtt
->gem
);
584 int psb_fbdev_init(struct drm_device
*dev
)
586 struct psb_fbdev
*fbdev
;
587 struct drm_psb_private
*dev_priv
= dev
->dev_private
;
589 fbdev
= kzalloc(sizeof(struct psb_fbdev
), GFP_KERNEL
);
591 dev_err(dev
->dev
, "no memory\n");
595 dev_priv
->fbdev
= fbdev
;
596 fbdev
->psb_fb_helper
.funcs
= &psb_fb_helper_funcs
;
598 drm_fb_helper_init(dev
, &fbdev
->psb_fb_helper
, dev_priv
->ops
->crtcs
,
601 drm_fb_helper_single_add_all_connectors(&fbdev
->psb_fb_helper
);
602 drm_fb_helper_initial_config(&fbdev
->psb_fb_helper
, 32);
606 static void psb_fbdev_fini(struct drm_device
*dev
)
608 struct drm_psb_private
*dev_priv
= dev
->dev_private
;
610 if (!dev_priv
->fbdev
)
613 psb_fbdev_destroy(dev
, dev_priv
->fbdev
);
614 kfree(dev_priv
->fbdev
);
615 dev_priv
->fbdev
= NULL
;
618 static void psbfb_output_poll_changed(struct drm_device
*dev
)
620 struct drm_psb_private
*dev_priv
= dev
->dev_private
;
621 struct psb_fbdev
*fbdev
= (struct psb_fbdev
*)dev_priv
->fbdev
;
622 drm_fb_helper_hotplug_event(&fbdev
->psb_fb_helper
);
626 * psb_user_framebuffer_create_handle - add hamdle to a framebuffer
628 * @file_priv: our DRM file
629 * @handle: returned handle
631 * Our framebuffer object is a GTT range which also contains a GEM
632 * object. We need to turn it into a handle for userspace. GEM will do
635 static int psb_user_framebuffer_create_handle(struct drm_framebuffer
*fb
,
636 struct drm_file
*file_priv
,
637 unsigned int *handle
)
639 struct psb_framebuffer
*psbfb
= to_psb_fb(fb
);
640 struct gtt_range
*r
= psbfb
->gtt
;
641 return drm_gem_handle_create(file_priv
, &r
->gem
, handle
);
645 * psb_user_framebuffer_destroy - destruct user created fb
648 * User framebuffers are backed by GEM objects so all we have to do is
649 * clean up a bit and drop the reference, GEM will handle the fallout
651 static void psb_user_framebuffer_destroy(struct drm_framebuffer
*fb
)
653 struct psb_framebuffer
*psbfb
= to_psb_fb(fb
);
654 struct gtt_range
*r
= psbfb
->gtt
;
655 struct drm_device
*dev
= fb
->dev
;
656 struct drm_psb_private
*dev_priv
= dev
->dev_private
;
657 struct psb_fbdev
*fbdev
= dev_priv
->fbdev
;
658 struct drm_crtc
*crtc
;
661 /* Should never get stolen memory for a user fb */
664 /* Check if we are erroneously live */
665 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
)
671 * Now force a sane response before we permit the DRM CRTC
672 * layer to do stupid things like blank the display. Instead
673 * we reset this framebuffer as if the user had forced a reset.
674 * We must do this before the cleanup so that the DRM layer
675 * doesn't get a chance to stick its oar in where it isn't
678 drm_fb_helper_restore_fbdev_mode(&fbdev
->psb_fb_helper
);
680 /* Let DRM do its clean up */
681 drm_framebuffer_cleanup(fb
);
682 /* We are no longer using the resource in GEM */
683 drm_gem_object_unreference_unlocked(&r
->gem
);
687 static const struct drm_mode_config_funcs psb_mode_funcs
= {
688 .fb_create
= psb_user_framebuffer_create
,
689 .output_poll_changed
= psbfb_output_poll_changed
,
692 static int psb_create_backlight_property(struct drm_device
*dev
)
694 struct drm_psb_private
*dev_priv
= dev
->dev_private
;
695 struct drm_property
*backlight
;
697 if (dev_priv
->backlight_property
)
700 backlight
= drm_property_create_range(dev
, 0, "backlight", 0, 100);
702 dev_priv
->backlight_property
= backlight
;
707 static void psb_setup_outputs(struct drm_device
*dev
)
709 struct drm_psb_private
*dev_priv
= dev
->dev_private
;
710 struct drm_connector
*connector
;
712 drm_mode_create_scaling_mode_property(dev
);
713 psb_create_backlight_property(dev
);
715 dev_priv
->ops
->output_init(dev
);
717 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
,
719 struct psb_intel_encoder
*psb_intel_encoder
=
720 psb_intel_attached_encoder(connector
);
721 struct drm_encoder
*encoder
= &psb_intel_encoder
->base
;
722 int crtc_mask
= 0, clone_mask
= 0;
725 switch (psb_intel_encoder
->type
) {
726 case INTEL_OUTPUT_ANALOG
:
727 crtc_mask
= (1 << 0);
728 clone_mask
= (1 << INTEL_OUTPUT_ANALOG
);
730 case INTEL_OUTPUT_SDVO
:
731 crtc_mask
= ((1 << 0) | (1 << 1));
732 clone_mask
= (1 << INTEL_OUTPUT_SDVO
);
734 case INTEL_OUTPUT_LVDS
:
736 crtc_mask
= (1 << 0);
738 crtc_mask
= (1 << 1);
739 clone_mask
= (1 << INTEL_OUTPUT_LVDS
);
741 case INTEL_OUTPUT_MIPI
:
742 crtc_mask
= (1 << 0);
743 clone_mask
= (1 << INTEL_OUTPUT_MIPI
);
745 case INTEL_OUTPUT_MIPI2
:
746 crtc_mask
= (1 << 2);
747 clone_mask
= (1 << INTEL_OUTPUT_MIPI2
);
749 case INTEL_OUTPUT_HDMI
:
751 crtc_mask
= (1 << 1);
753 crtc_mask
= (1 << 0);
754 clone_mask
= (1 << INTEL_OUTPUT_HDMI
);
757 encoder
->possible_crtcs
= crtc_mask
;
758 encoder
->possible_clones
=
759 psb_intel_connector_clones(dev
, clone_mask
);
763 void psb_modeset_init(struct drm_device
*dev
)
765 struct drm_psb_private
*dev_priv
= dev
->dev_private
;
766 struct psb_intel_mode_device
*mode_dev
= &dev_priv
->mode_dev
;
769 drm_mode_config_init(dev
);
771 dev
->mode_config
.min_width
= 0;
772 dev
->mode_config
.min_height
= 0;
774 dev
->mode_config
.funcs
= (void *) &psb_mode_funcs
;
776 /* set memory base */
777 /* Oaktrail and Poulsbo should use BAR 2*/
778 pci_read_config_dword(dev
->pdev
, PSB_BSM
, (u32
*)
779 &(dev
->mode_config
.fb_base
));
781 /* num pipes is 2 for PSB but 1 for Mrst */
782 for (i
= 0; i
< dev_priv
->num_pipe
; i
++)
783 psb_intel_crtc_init(dev
, i
, mode_dev
);
785 dev
->mode_config
.max_width
= 2048;
786 dev
->mode_config
.max_height
= 2048;
788 psb_setup_outputs(dev
);
791 void psb_modeset_cleanup(struct drm_device
*dev
)
793 mutex_lock(&dev
->struct_mutex
);
795 drm_kms_helper_poll_fini(dev
);
797 drm_mode_config_cleanup(dev
);
799 mutex_unlock(&dev
->struct_mutex
);