2 * Copyright (C) 2008 Maarten Maathuis.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include <acpi/video.h>
29 #include <drm/drm_atomic.h>
30 #include <drm/drm_atomic_helper.h>
31 #include <drm/drm_crtc_helper.h>
32 #include <drm/drm_fb_helper.h>
33 #include <drm/drm_fourcc.h>
34 #include <drm/drm_gem_framebuffer_helper.h>
35 #include <drm/drm_probe_helper.h>
36 #include <drm/drm_vblank.h>
38 #include "nouveau_fbcon.h"
39 #include "nouveau_crtc.h"
40 #include "nouveau_gem.h"
41 #include "nouveau_connector.h"
42 #include "nv50_display.h"
44 #include <nvif/class.h>
45 #include <nvif/cl0046.h>
46 #include <nvif/event.h>
47 #include <dispnv50/crc.h>
50 nouveau_display_vblank_enable(struct drm_crtc *crtc)
52 struct nouveau_crtc *nv_crtc;
54 nv_crtc = nouveau_crtc(crtc);
55 nvif_notify_get(&nv_crtc->vblank);
61 nouveau_display_vblank_disable(struct drm_crtc *crtc)
63 struct nouveau_crtc *nv_crtc;
65 nv_crtc = nouveau_crtc(crtc);
66 nvif_notify_put(&nv_crtc->vblank);
70 calc(int blanks, int blanke, int total, int line)
72 if (blanke >= blanks) {
84 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
85 ktime_t *stime, ktime_t *etime)
88 struct nv04_disp_mthd_v0 base;
89 struct nv04_disp_scanoutpos_v0 scan;
91 .base.method = NV04_DISP_SCANOUTPOS,
92 .base.head = nouveau_crtc(crtc)->index,
94 struct nouveau_display *disp = nouveau_display(crtc->dev);
95 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)];
100 ret = nvif_mthd(&disp->disp.object, 0, &args, sizeof(args));
104 if (args.scan.vline) {
109 if (retry) ndelay(vblank->linedur_ns);
112 *hpos = args.scan.hline;
113 *vpos = calc(args.scan.vblanks, args.scan.vblanke,
114 args.scan.vtotal, args.scan.vline);
115 if (stime) *stime = ns_to_ktime(args.scan.time[0]);
116 if (etime) *etime = ns_to_ktime(args.scan.time[1]);
122 nouveau_display_scanoutpos(struct drm_crtc *crtc,
123 bool in_vblank_irq, int *vpos, int *hpos,
124 ktime_t *stime, ktime_t *etime,
125 const struct drm_display_mode *mode)
127 return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
131 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
132 .destroy = drm_gem_fb_destroy,
133 .create_handle = drm_gem_fb_create_handle,
137 nouveau_decode_mod(struct nouveau_drm *drm,
142 struct nouveau_display *disp = nouveau_display(drm->dev);
143 BUG_ON(!tile_mode || !kind);
145 if (modifier == DRM_FORMAT_MOD_LINEAR) {
146 /* tile_mode will not be used in this case */
151 * Extract the block height and kind from the corresponding
152 * modifier fields. See drm_fourcc.h for details.
155 if ((modifier & (0xffull << 12)) == 0ull) {
156 /* Legacy modifier. Translate to this dev's 'kind.' */
157 modifier |= disp->format_modifiers[0] & (0xffull << 12);
160 *tile_mode = (uint32_t)(modifier & 0xF);
161 *kind = (uint8_t)((modifier >> 12) & 0xFF);
163 if (drm->client.device.info.chipset >= 0xc0)
169 nouveau_framebuffer_get_layout(struct drm_framebuffer *fb,
173 if (fb->flags & DRM_MODE_FB_MODIFIERS) {
174 struct nouveau_drm *drm = nouveau_drm(fb->dev);
176 nouveau_decode_mod(drm, fb->modifier, tile_mode, kind);
178 const struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]);
180 *tile_mode = nvbo->mode;
185 static const u64 legacy_modifiers[] = {
186 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(0),
187 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(1),
188 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(2),
189 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(3),
190 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(4),
191 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(5),
192 DRM_FORMAT_MOD_INVALID
196 nouveau_validate_decode_mod(struct nouveau_drm *drm,
201 struct nouveau_display *disp = nouveau_display(drm->dev);
204 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
208 BUG_ON(!disp->format_modifiers);
211 (disp->format_modifiers[mod] != DRM_FORMAT_MOD_INVALID) &&
212 (disp->format_modifiers[mod] != modifier);
215 if (disp->format_modifiers[mod] == DRM_FORMAT_MOD_INVALID) {
217 (legacy_modifiers[mod] != DRM_FORMAT_MOD_INVALID) &&
218 (legacy_modifiers[mod] != modifier);
220 if (legacy_modifiers[mod] == DRM_FORMAT_MOD_INVALID)
224 nouveau_decode_mod(drm, modifier, tile_mode, kind);
229 static inline uint32_t
230 nouveau_get_width_in_blocks(uint32_t stride)
232 /* GOBs per block in the x direction is always one, and GOBs are
235 static const uint32_t log_block_width = 6;
237 return (stride + (1 << log_block_width) - 1) >> log_block_width;
240 static inline uint32_t
241 nouveau_get_height_in_blocks(struct nouveau_drm *drm,
243 uint32_t log_block_height_in_gobs)
245 uint32_t log_gob_height;
246 uint32_t log_block_height;
248 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA);
250 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI)
255 log_block_height = log_block_height_in_gobs + log_gob_height;
257 return (height + (1 << log_block_height) - 1) >> log_block_height;
261 nouveau_check_bl_size(struct nouveau_drm *drm, struct nouveau_bo *nvbo,
262 uint32_t offset, uint32_t stride, uint32_t h,
265 uint32_t gob_size, bw, bh;
268 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA);
270 if (drm->client.device.info.chipset >= 0xc0) {
276 if (tile_mode & 0xFFFFFFF0)
279 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI)
284 bw = nouveau_get_width_in_blocks(stride);
285 bh = nouveau_get_height_in_blocks(drm, h, tile_mode);
287 bl_size = bw * bh * (1 << tile_mode) * gob_size;
289 DRM_DEBUG_KMS("offset=%u stride=%u h=%u tile_mode=0x%02x bw=%u bh=%u gob_size=%u bl_size=%llu size=%zu\n",
290 offset, stride, h, tile_mode, bw, bh, gob_size, bl_size,
293 if (bl_size + offset > nvbo->bo.base.size)
300 nouveau_framebuffer_new(struct drm_device *dev,
301 const struct drm_mode_fb_cmd2 *mode_cmd,
302 struct drm_gem_object *gem,
303 struct drm_framebuffer **pfb)
305 struct nouveau_drm *drm = nouveau_drm(dev);
306 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
307 struct drm_framebuffer *fb;
308 const struct drm_format_info *info;
309 unsigned int width, height, i;
314 /* YUV overlays have special requirements pre-NV50 */
315 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA &&
317 (mode_cmd->pixel_format == DRM_FORMAT_YUYV ||
318 mode_cmd->pixel_format == DRM_FORMAT_UYVY ||
319 mode_cmd->pixel_format == DRM_FORMAT_NV12 ||
320 mode_cmd->pixel_format == DRM_FORMAT_NV21) &&
321 (mode_cmd->pitches[0] & 0x3f || /* align 64 */
322 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */
323 (mode_cmd->pitches[1] && /* pitches for planes must match */
324 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) {
325 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %p4cc; pitches: 0x%x\n 0x%x\n",
326 &mode_cmd->pixel_format,
327 mode_cmd->pitches[0], mode_cmd->pitches[1]);
331 if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) {
332 if (nouveau_validate_decode_mod(drm, mode_cmd->modifier[0],
333 &tile_mode, &kind)) {
334 DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n",
335 mode_cmd->modifier[0]);
339 tile_mode = nvbo->mode;
343 info = drm_get_format_info(dev, mode_cmd);
345 for (i = 0; i < info->num_planes; i++) {
346 width = drm_format_info_plane_width(info,
349 height = drm_format_info_plane_height(info,
354 ret = nouveau_check_bl_size(drm, nvbo,
355 mode_cmd->offsets[i],
356 mode_cmd->pitches[i],
361 uint32_t size = mode_cmd->pitches[i] * height;
363 if (size + mode_cmd->offsets[i] > nvbo->bo.base.size)
368 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
371 drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd);
374 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
380 struct drm_framebuffer *
381 nouveau_user_framebuffer_create(struct drm_device *dev,
382 struct drm_file *file_priv,
383 const struct drm_mode_fb_cmd2 *mode_cmd)
385 struct drm_framebuffer *fb;
386 struct drm_gem_object *gem;
389 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
391 return ERR_PTR(-ENOENT);
393 ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb);
397 drm_gem_object_put(gem);
401 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
402 .fb_create = nouveau_user_framebuffer_create,
403 .output_poll_changed = nouveau_fbcon_output_poll_changed,
407 struct nouveau_drm_prop_enum_list {
413 static struct nouveau_drm_prop_enum_list underscan[] = {
414 { 6, UNDERSCAN_AUTO, "auto" },
415 { 6, UNDERSCAN_OFF, "off" },
416 { 6, UNDERSCAN_ON, "on" },
420 static struct nouveau_drm_prop_enum_list dither_mode[] = {
421 { 7, DITHERING_MODE_AUTO, "auto" },
422 { 7, DITHERING_MODE_OFF, "off" },
423 { 1, DITHERING_MODE_ON, "on" },
424 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
425 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
426 { 4, DITHERING_MODE_TEMPORAL, "temporal" },
430 static struct nouveau_drm_prop_enum_list dither_depth[] = {
431 { 6, DITHERING_DEPTH_AUTO, "auto" },
432 { 6, DITHERING_DEPTH_6BPC, "6 bpc" },
433 { 6, DITHERING_DEPTH_8BPC, "8 bpc" },
437 #define PROP_ENUM(p,gen,n,list) do { \
438 struct nouveau_drm_prop_enum_list *l = (list); \
440 while (l->gen_mask) { \
441 if (l->gen_mask & (1 << (gen))) \
446 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
448 while (p && l->gen_mask) { \
449 if (l->gen_mask & (1 << (gen))) { \
450 drm_property_add_enum(p, l->type, l->name); \
458 nouveau_display_hpd_resume(struct drm_device *dev)
460 struct nouveau_drm *drm = nouveau_drm(dev);
462 mutex_lock(&drm->hpd_lock);
463 drm->hpd_pending = ~0;
464 mutex_unlock(&drm->hpd_lock);
466 schedule_work(&drm->hpd_work);
470 nouveau_display_hpd_work(struct work_struct *work)
472 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work);
473 struct drm_device *dev = drm->dev;
474 struct drm_connector *connector;
475 struct drm_connector_list_iter conn_iter;
477 bool changed = false;
479 pm_runtime_get_sync(dev->dev);
481 mutex_lock(&drm->hpd_lock);
482 pending = drm->hpd_pending;
483 drm->hpd_pending = 0;
484 mutex_unlock(&drm->hpd_lock);
486 /* Nothing to do, exit early without updating the last busy counter */
490 mutex_lock(&dev->mode_config.mutex);
491 drm_connector_list_iter_begin(dev, &conn_iter);
493 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
494 enum drm_connector_status old_status = connector->status;
495 u64 old_epoch_counter = connector->epoch_counter;
497 if (!(pending & drm_connector_mask(connector)))
500 connector->status = drm_helper_probe_detect(connector, NULL,
502 if (old_epoch_counter == connector->epoch_counter)
506 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] status updated from %s to %s (epoch counter %llu->%llu)\n",
507 connector->base.id, connector->name,
508 drm_get_connector_status_name(old_status),
509 drm_get_connector_status_name(connector->status),
510 old_epoch_counter, connector->epoch_counter);
513 drm_connector_list_iter_end(&conn_iter);
514 mutex_unlock(&dev->mode_config.mutex);
517 drm_kms_helper_hotplug_event(dev);
519 pm_runtime_mark_last_busy(drm->dev->dev);
521 pm_runtime_put_sync(drm->dev->dev);
527 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val,
530 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb);
531 struct acpi_bus_event *info = data;
534 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) {
535 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) {
536 ret = pm_runtime_get(drm->dev->dev);
537 if (ret == 1 || ret == -EACCES) {
538 /* If the GPU is already awake, or in a state
539 * where we can't wake it up, it can handle
540 * it's own hotplug events.
542 pm_runtime_put_autosuspend(drm->dev->dev);
543 } else if (ret == 0) {
544 /* We've started resuming the GPU already, so
545 * it will handle scheduling a full reprobe
548 NV_DEBUG(drm, "ACPI requested connector reprobe\n");
549 pm_runtime_put_noidle(drm->dev->dev);
551 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n",
555 /* acpi-video should not generate keypresses for this */
565 nouveau_display_init(struct drm_device *dev, bool resume, bool runtime)
567 struct nouveau_display *disp = nouveau_display(dev);
568 struct drm_connector *connector;
569 struct drm_connector_list_iter conn_iter;
573 * Enable hotplug interrupts (done as early as possible, since we need
576 drm_connector_list_iter_begin(dev, &conn_iter);
577 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
578 struct nouveau_connector *conn = nouveau_connector(connector);
579 nvif_notify_get(&conn->hpd);
581 drm_connector_list_iter_end(&conn_iter);
583 ret = disp->init(dev, resume, runtime);
587 /* enable connector detection and polling for connectors without HPD
590 drm_kms_helper_poll_enable(dev);
596 nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
598 struct nouveau_display *disp = nouveau_display(dev);
599 struct nouveau_drm *drm = nouveau_drm(dev);
600 struct drm_connector *connector;
601 struct drm_connector_list_iter conn_iter;
604 if (drm_drv_uses_atomic_modeset(dev))
605 drm_atomic_helper_shutdown(dev);
607 drm_helper_force_disable_all(dev);
610 /* disable hotplug interrupts */
611 drm_connector_list_iter_begin(dev, &conn_iter);
612 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
613 struct nouveau_connector *conn = nouveau_connector(connector);
614 nvif_notify_put(&conn->hpd);
616 drm_connector_list_iter_end(&conn_iter);
619 cancel_work_sync(&drm->hpd_work);
621 drm_kms_helper_poll_disable(dev);
622 disp->fini(dev, runtime, suspend);
626 nouveau_display_create_properties(struct drm_device *dev)
628 struct nouveau_display *disp = nouveau_display(dev);
631 if (disp->disp.object.oclass < NV50_DISP)
634 if (disp->disp.object.oclass < GF110_DISP)
639 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
640 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
641 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
643 disp->underscan_hborder_property =
644 drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
646 disp->underscan_vborder_property =
647 drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
653 disp->vibrant_hue_property =
654 drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
657 disp->color_vibrance_property =
658 drm_property_create_range(dev, 0, "color vibrance", 0, 200);
662 nouveau_display_create(struct drm_device *dev)
664 struct nouveau_drm *drm = nouveau_drm(dev);
665 struct nvkm_device *device = nvxx_device(&drm->client.device);
666 struct nouveau_display *disp;
669 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
673 drm_mode_config_init(dev);
674 drm_mode_create_scaling_mode_property(dev);
675 drm_mode_create_dvi_i_properties(dev);
677 dev->mode_config.funcs = &nouveau_mode_config_funcs;
678 dev->mode_config.fb_base = device->func->resource_addr(device, 1);
680 dev->mode_config.min_width = 0;
681 dev->mode_config.min_height = 0;
682 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
683 dev->mode_config.max_width = 2048;
684 dev->mode_config.max_height = 2048;
686 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
687 dev->mode_config.max_width = 4096;
688 dev->mode_config.max_height = 4096;
690 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) {
691 dev->mode_config.max_width = 8192;
692 dev->mode_config.max_height = 8192;
694 dev->mode_config.max_width = 16384;
695 dev->mode_config.max_height = 16384;
698 dev->mode_config.preferred_depth = 24;
699 dev->mode_config.prefer_shadow = 1;
700 dev->mode_config.allow_fb_modifiers = true;
702 if (drm->client.device.info.chipset < 0x11)
703 dev->mode_config.async_page_flip = false;
705 dev->mode_config.async_page_flip = true;
707 drm_kms_helper_poll_init(dev);
708 drm_kms_helper_poll_disable(dev);
710 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) {
711 ret = nvif_disp_ctor(&drm->client.device, "kmsDisp", 0,
714 nouveau_display_create_properties(dev);
715 if (disp->disp.object.oclass < NV50_DISP)
716 ret = nv04_display_create(dev);
718 ret = nv50_display_create(dev);
725 goto disp_create_err;
727 drm_mode_config_reset(dev);
729 if (dev->mode_config.num_crtc) {
730 ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
734 if (disp->disp.object.oclass >= NV50_DISP)
738 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work);
739 mutex_init(&drm->hpd_lock);
741 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy;
742 register_acpi_notifier(&drm->acpi_nb);
750 drm_kms_helper_poll_fini(dev);
751 drm_mode_config_cleanup(dev);
756 nouveau_display_destroy(struct drm_device *dev)
758 struct nouveau_display *disp = nouveau_display(dev);
759 struct nouveau_drm *drm = nouveau_drm(dev);
762 unregister_acpi_notifier(&drm->acpi_nb);
765 drm_kms_helper_poll_fini(dev);
766 drm_mode_config_cleanup(dev);
771 nvif_disp_dtor(&disp->disp);
773 nouveau_drm(dev)->display = NULL;
774 mutex_destroy(&drm->hpd_lock);
779 nouveau_display_suspend(struct drm_device *dev, bool runtime)
781 struct nouveau_display *disp = nouveau_display(dev);
783 if (drm_drv_uses_atomic_modeset(dev)) {
785 disp->suspend = drm_atomic_helper_suspend(dev);
786 if (IS_ERR(disp->suspend)) {
787 int ret = PTR_ERR(disp->suspend);
788 disp->suspend = NULL;
794 nouveau_display_fini(dev, true, runtime);
799 nouveau_display_resume(struct drm_device *dev, bool runtime)
801 struct nouveau_display *disp = nouveau_display(dev);
803 nouveau_display_init(dev, true, runtime);
805 if (drm_drv_uses_atomic_modeset(dev)) {
807 drm_atomic_helper_resume(dev, disp->suspend);
808 disp->suspend = NULL;
815 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
816 struct drm_mode_create_dumb *args)
818 struct nouveau_cli *cli = nouveau_cli(file_priv);
819 struct nouveau_bo *bo;
823 args->pitch = roundup(args->width * (args->bpp / 8), 256);
824 args->size = args->pitch * args->height;
825 args->size = roundup(args->size, PAGE_SIZE);
827 /* Use VRAM if there is any ; otherwise fallback to system memory */
828 if (nouveau_drm(dev)->client.device.info.ram_size != 0)
829 domain = NOUVEAU_GEM_DOMAIN_VRAM;
831 domain = NOUVEAU_GEM_DOMAIN_GART;
833 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo);
837 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle);
838 drm_gem_object_put(&bo->bo.base);
843 nouveau_display_dumb_map_offset(struct drm_file *file_priv,
844 struct drm_device *dev,
845 uint32_t handle, uint64_t *poffset)
847 struct drm_gem_object *gem;
849 gem = drm_gem_object_lookup(file_priv, handle);
851 struct nouveau_bo *bo = nouveau_gem_object(gem);
852 *poffset = drm_vma_node_offset_addr(&bo->bo.base.vma_node);
853 drm_gem_object_put(gem);