/* * Copyright (C) 2008 Maarten Maathuis. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial * portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */ #include #include #include "nouveau_fbcon.h" #include "dispnv04/hw.h" #include "nouveau_crtc.h" #include "nouveau_dma.h" #include "nouveau_gem.h" #include "nouveau_connector.h" #include "nv50_display.h" #include "nouveau_fence.h" #include #include static int nouveau_display_vblank_handler(void *data, u32 type, int head) { struct nouveau_drm *drm = data; drm_handle_vblank(drm->dev, head); return NVKM_EVENT_KEEP; } int nouveau_display_vblank_enable(struct drm_device *dev, int head) { struct nouveau_display *disp = nouveau_display(dev); if (disp) { nouveau_event_get(disp->vblank[head]); return 0; } return -EIO; } void nouveau_display_vblank_disable(struct drm_device *dev, int head) { struct nouveau_display *disp = nouveau_display(dev); if (disp) nouveau_event_put(disp->vblank[head]); } static inline int calc(int blanks, int blanke, int total, int line) { if (blanke >= blanks) { if (line >= blanks) line -= total; } else { if (line >= blanks) line -= total; line -= blanke + 1; } return line; } int nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos, ktime_t *stime, ktime_t *etime) { const u32 mthd = NV04_DISP_SCANOUTPOS + nouveau_crtc(crtc)->index; struct nouveau_display *disp = nouveau_display(crtc->dev); struct nv04_display_scanoutpos args; int ret, retry = 1; do { ret = nv_exec(disp->core, mthd, &args, sizeof(args)); if (ret != 0) return 0; if (args.vline) { ret |= DRM_SCANOUTPOS_ACCURATE; ret |= DRM_SCANOUTPOS_VALID; break; } if (retry) ndelay(crtc->linedur_ns); } while (retry--); *hpos = args.hline; *vpos = calc(args.vblanks, args.vblanke, args.vtotal, args.vline); if (stime) *stime = ns_to_ktime(args.time[0]); if (etime) *etime = ns_to_ktime(args.time[1]); if (*vpos < 0) ret |= DRM_SCANOUTPOS_INVBL; return ret; } int nouveau_display_scanoutpos(struct drm_device *dev, int head, unsigned int flags, int *vpos, int *hpos, ktime_t *stime, ktime_t *etime) { struct drm_crtc *crtc; list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { if (nouveau_crtc(crtc)->index == head) { return nouveau_display_scanoutpos_head(crtc, vpos, hpos, stime, etime); } } return 0; } int nouveau_display_vblstamp(struct drm_device *dev, int head, int *max_error, struct timeval *time, unsigned flags) { struct drm_crtc *crtc; list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { if (nouveau_crtc(crtc)->index == head) { return drm_calc_vbltimestamp_from_scanoutpos(dev, head, max_error, time, flags, crtc, &crtc->hwmode); } } return -EINVAL; } static void nouveau_display_vblank_fini(struct drm_device *dev) { struct nouveau_display *disp = nouveau_display(dev); int i; drm_vblank_cleanup(dev); if (disp->vblank) { for (i = 0; i < dev->mode_config.num_crtc; i++) nouveau_event_ref(NULL, &disp->vblank[i]); kfree(disp->vblank); disp->vblank = NULL; } } static int nouveau_display_vblank_init(struct drm_device *dev) { struct nouveau_display *disp = nouveau_display(dev); struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_disp *pdisp = nouveau_disp(drm->device); int ret, i; disp->vblank = kzalloc(dev->mode_config.num_crtc * sizeof(*disp->vblank), GFP_KERNEL); if (!disp->vblank) return -ENOMEM; for (i = 0; i < dev->mode_config.num_crtc; i++) { ret = nouveau_event_new(pdisp->vblank, 1, i, nouveau_display_vblank_handler, drm, &disp->vblank[i]); if (ret) { nouveau_display_vblank_fini(dev); return ret; } } ret = drm_vblank_init(dev, dev->mode_config.num_crtc); if (ret) { nouveau_display_vblank_fini(dev); return ret; } return 0; } static void nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb) { struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); if (fb->nvbo) drm_gem_object_unreference_unlocked(&fb->nvbo->gem); drm_framebuffer_cleanup(drm_fb); kfree(fb); } static int nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb, struct drm_file *file_priv, unsigned int *handle) { struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle); } static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { .destroy = nouveau_user_framebuffer_destroy, .create_handle = nouveau_user_framebuffer_create_handle, }; int nouveau_framebuffer_init(struct drm_device *dev, struct nouveau_framebuffer *nv_fb, struct drm_mode_fb_cmd2 *mode_cmd, struct nouveau_bo *nvbo) { struct nouveau_drm *drm = nouveau_drm(dev); struct drm_framebuffer *fb = &nv_fb->base; int ret; drm_helper_mode_fill_fb_struct(fb, mode_cmd); nv_fb->nvbo = nvbo; if (nv_device(drm->device)->card_type >= NV_50) { u32 tile_flags = nouveau_bo_tile_layout(nvbo); if (tile_flags == 0x7a00 || tile_flags == 0xfe00) nv_fb->r_dma = NvEvoFB32; else if (tile_flags == 0x7000) nv_fb->r_dma = NvEvoFB16; else nv_fb->r_dma = NvEvoVRAM_LP; switch (fb->depth) { case 8: nv_fb->r_format = 0x1e00; break; case 15: nv_fb->r_format = 0xe900; break; case 16: nv_fb->r_format = 0xe800; break; case 24: case 32: nv_fb->r_format = 0xcf00; break; case 30: nv_fb->r_format = 0xd100; break; default: NV_ERROR(drm, "unknown depth %d\n", fb->depth); return -EINVAL; } if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG) { NV_ERROR(drm, "framebuffer requires contiguous bo\n"); return -EINVAL; } if (nv_device(drm->device)->chipset == 0x50) nv_fb->r_format |= (tile_flags << 8); if (!tile_flags) { if (nv_device(drm->device)->card_type < NV_D0) nv_fb->r_pitch = 0x00100000 | fb->pitches[0]; else nv_fb->r_pitch = 0x01000000 | fb->pitches[0]; } else { u32 mode = nvbo->tile_mode; if (nv_device(drm->device)->card_type >= NV_C0) mode >>= 4; nv_fb->r_pitch = ((fb->pitches[0] / 4) << 4) | mode; } } ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); if (ret) { return ret; } return 0; } static struct drm_framebuffer * nouveau_user_framebuffer_create(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd2 *mode_cmd) { struct nouveau_framebuffer *nouveau_fb; struct drm_gem_object *gem; int ret = -ENOMEM; gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); if (!gem) return ERR_PTR(-ENOENT); nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL); if (!nouveau_fb) goto err_unref; ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem)); if (ret) goto err; return &nouveau_fb->base; err: kfree(nouveau_fb); err_unref: drm_gem_object_unreference(gem); return ERR_PTR(ret); } static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { .fb_create = nouveau_user_framebuffer_create, .output_poll_changed = nouveau_fbcon_output_poll_changed, }; struct nouveau_drm_prop_enum_list { u8 gen_mask; int type; char *name; }; static struct nouveau_drm_prop_enum_list underscan[] = { { 6, UNDERSCAN_AUTO, "auto" }, { 6, UNDERSCAN_OFF, "off" }, { 6, UNDERSCAN_ON, "on" }, {} }; static struct nouveau_drm_prop_enum_list dither_mode[] = { { 7, DITHERING_MODE_AUTO, "auto" }, { 7, DITHERING_MODE_OFF, "off" }, { 1, DITHERING_MODE_ON, "on" }, { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, { 4, DITHERING_MODE_TEMPORAL, "temporal" }, {} }; static struct nouveau_drm_prop_enum_list dither_depth[] = { { 6, DITHERING_DEPTH_AUTO, "auto" }, { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, {} }; #define PROP_ENUM(p,gen,n,list) do { \ struct nouveau_drm_prop_enum_list *l = (list); \ int c = 0; \ while (l->gen_mask) { \ if (l->gen_mask & (1 << (gen))) \ c++; \ l++; \ } \ if (c) { \ p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ l = (list); \ c = 0; \ while (p && l->gen_mask) { \ if (l->gen_mask & (1 << (gen))) { \ drm_property_add_enum(p, c, l->type, l->name); \ c++; \ } \ l++; \ } \ } \ } while(0) int nouveau_display_init(struct drm_device *dev) { struct nouveau_display *disp = nouveau_display(dev); struct drm_connector *connector; int ret; ret = disp->init(dev); if (ret) return ret; /* enable polling for external displays */ drm_kms_helper_poll_enable(dev); /* enable hotplug interrupts */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct nouveau_connector *conn = nouveau_connector(connector); if (conn->hpd_func) nouveau_event_get(conn->hpd_func); } return ret; } void nouveau_display_fini(struct drm_device *dev) { struct nouveau_display *disp = nouveau_display(dev); struct drm_connector *connector; /* disable hotplug interrupts */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct nouveau_connector *conn = nouveau_connector(connector); if (conn->hpd_func) nouveau_event_put(conn->hpd_func); } drm_kms_helper_poll_disable(dev); disp->fini(dev); } int nouveau_display_create(struct drm_device *dev) { struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_device *device = nouveau_dev(dev); struct nouveau_display *disp; int ret, gen; disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); if (!disp) return -ENOMEM; drm_mode_config_init(dev); drm_mode_create_scaling_mode_property(dev); drm_mode_create_dvi_i_properties(dev); if (nv_device(drm->device)->card_type < NV_50) gen = 0; else if (nv_device(drm->device)->card_type < NV_D0) gen = 1; else gen = 2; PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); disp->underscan_hborder_property = drm_property_create_range(dev, 0, "underscan hborder", 0, 128); disp->underscan_vborder_property = drm_property_create_range(dev, 0, "underscan vborder", 0, 128); if (gen >= 1) { /* -90..+90 */ disp->vibrant_hue_property = drm_property_create_range(dev, 0, "vibrant hue", 0, 180); /* -100..+100 */ disp->color_vibrance_property = drm_property_create_range(dev, 0, "color vibrance", 0, 200); } dev->mode_config.funcs = &nouveau_mode_config_funcs; dev->mode_config.fb_base = nv_device_resource_start(device, 1); dev->mode_config.min_width = 0; dev->mode_config.min_height = 0; if (nv_device(drm->device)->card_type < NV_10) { dev->mode_config.max_width = 2048; dev->mode_config.max_height = 2048; } else if (nv_device(drm->device)->card_type < NV_50) { dev->mode_config.max_width = 4096; dev->mode_config.max_height = 4096; } else { dev->mode_config.max_width = 8192; dev->mode_config.max_height = 8192; } dev->mode_config.preferred_depth = 24; dev->mode_config.prefer_shadow = 1; if (nv_device(drm->device)->chipset < 0x11) dev->mode_config.async_page_flip = false; else dev->mode_config.async_page_flip = true; drm_kms_helper_poll_init(dev); drm_kms_helper_poll_disable(dev); if (drm->vbios.dcb.entries) { static const u16 oclass[] = { GM107_DISP_CLASS, NVF0_DISP_CLASS, NVE0_DISP_CLASS, NVD0_DISP_CLASS, NVA3_DISP_CLASS, NV94_DISP_CLASS, NVA0_DISP_CLASS, NV84_DISP_CLASS, NV50_DISP_CLASS, NV04_DISP_CLASS, }; int i; for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) { ret = nouveau_object_new(nv_object(drm), NVDRM_DEVICE, NVDRM_DISPLAY, oclass[i], NULL, 0, &disp->core); } if (ret == 0) { if (nv_mclass(disp->core) < NV50_DISP_CLASS) ret = nv04_display_create(dev); else ret = nv50_display_create(dev); } } else { ret = 0; } if (ret) goto disp_create_err; if (dev->mode_config.num_crtc) { ret = nouveau_display_vblank_init(dev); if (ret) goto vblank_err; } nouveau_backlight_init(dev); return 0; vblank_err: disp->dtor(dev); disp_create_err: drm_kms_helper_poll_fini(dev); drm_mode_config_cleanup(dev); return ret; } void nouveau_display_destroy(struct drm_device *dev) { struct nouveau_display *disp = nouveau_display(dev); struct nouveau_drm *drm = nouveau_drm(dev); nouveau_backlight_exit(dev); nouveau_display_vblank_fini(dev); drm_kms_helper_poll_fini(dev); drm_mode_config_cleanup(dev); if (disp->dtor) disp->dtor(dev); nouveau_object_del(nv_object(drm), NVDRM_DEVICE, NVDRM_DISPLAY); nouveau_drm(dev)->display = NULL; kfree(disp); } int nouveau_display_suspend(struct drm_device *dev) { struct nouveau_drm *drm = nouveau_drm(dev); struct drm_crtc *crtc; nouveau_display_fini(dev); NV_INFO(drm, "unpinning framebuffer(s)...\n"); list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { struct nouveau_framebuffer *nouveau_fb; nouveau_fb = nouveau_framebuffer(crtc->primary->fb); if (!nouveau_fb || !nouveau_fb->nvbo) continue; nouveau_bo_unpin(nouveau_fb->nvbo); } list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); nouveau_bo_unmap(nv_crtc->cursor.nvbo); nouveau_bo_unpin(nv_crtc->cursor.nvbo); } return 0; } void nouveau_display_repin(struct drm_device *dev) { struct nouveau_drm *drm = nouveau_drm(dev); struct drm_crtc *crtc; int ret; list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { struct nouveau_framebuffer *nouveau_fb; nouveau_fb = nouveau_framebuffer(crtc->primary->fb); if (!nouveau_fb || !nouveau_fb->nvbo) continue; nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM); } list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM); if (!ret) ret = nouveau_bo_map(nv_crtc->cursor.nvbo); if (ret) NV_ERROR(drm, "Could not pin/map cursor.\n"); } } void nouveau_display_resume(struct drm_device *dev) { struct drm_crtc *crtc; nouveau_display_init(dev); /* Force CLUT to get re-loaded during modeset */ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); nv_crtc->lut.depth = 0; } drm_helper_resume_force_mode(dev); list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); u32 offset = nv_crtc->cursor.nvbo->bo.offset; nv_crtc->cursor.set_offset(nv_crtc, offset); nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x, nv_crtc->cursor_saved_y); } } static int nouveau_page_flip_emit(struct nouveau_channel *chan, struct nouveau_bo *old_bo, struct nouveau_bo *new_bo, struct nouveau_page_flip_state *s, struct nouveau_fence **pfence) { struct nouveau_fence_chan *fctx = chan->fence; struct nouveau_drm *drm = chan->drm; struct drm_device *dev = drm->dev; unsigned long flags; int ret; /* Queue it to the pending list */ spin_lock_irqsave(&dev->event_lock, flags); list_add_tail(&s->head, &fctx->flip); spin_unlock_irqrestore(&dev->event_lock, flags); /* Synchronize with the old framebuffer */ ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan); if (ret) goto fail; /* Emit the pageflip */ ret = RING_SPACE(chan, 2); if (ret) goto fail; if (nv_device(drm->device)->card_type < NV_C0) BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); else BEGIN_NVC0(chan, FermiSw, NV_SW_PAGE_FLIP, 1); OUT_RING (chan, 0x00000000); FIRE_RING (chan); ret = nouveau_fence_new(chan, false, pfence); if (ret) goto fail; return 0; fail: spin_lock_irqsave(&dev->event_lock, flags); list_del(&s->head); spin_unlock_irqrestore(&dev->event_lock, flags); return ret; } int nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, struct drm_pending_vblank_event *event, u32 flags) { const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1; struct drm_device *dev = crtc->dev; struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo; struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; struct nouveau_page_flip_state *s; struct nouveau_channel *chan = drm->channel; struct nouveau_fence *fence; int ret; if (!drm->channel) return -ENODEV; s = kzalloc(sizeof(*s), GFP_KERNEL); if (!s) return -ENOMEM; if (new_bo != old_bo) { ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM); if (ret) goto fail_free; } mutex_lock(&chan->cli->mutex); /* synchronise rendering channel with the kernel's channel */ spin_lock(&new_bo->bo.bdev->fence_lock); fence = nouveau_fence_ref(new_bo->bo.sync_obj); spin_unlock(&new_bo->bo.bdev->fence_lock); ret = nouveau_fence_sync(fence, chan); nouveau_fence_unref(&fence); if (ret) goto fail_unpin; ret = ttm_bo_reserve(&old_bo->bo, true, false, false, NULL); if (ret) goto fail_unpin; /* Initialize a page flip struct */ *s = (struct nouveau_page_flip_state) { { }, event, nouveau_crtc(crtc)->index, fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y, new_bo->bo.offset }; /* Emit a page flip */ if (nv_device(drm->device)->card_type >= NV_50) { ret = nv50_display_flip_next(crtc, fb, chan, swap_interval); if (ret) goto fail_unreserve; } else { struct nv04_display *dispnv04 = nv04_display(dev); int head = nouveau_crtc(crtc)->index; if (swap_interval) { ret = RING_SPACE(chan, 8); if (ret) goto fail_unreserve; BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1); OUT_RING (chan, 0); BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1); OUT_RING (chan, head); BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1); OUT_RING (chan, 0); BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1); OUT_RING (chan, 0); } nouveau_bo_ref(new_bo, &dispnv04->image[head]); } ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); if (ret) goto fail_unreserve; mutex_unlock(&chan->cli->mutex); /* Update the crtc struct and cleanup */ crtc->primary->fb = fb; nouveau_bo_fence(old_bo, fence); ttm_bo_unreserve(&old_bo->bo); if (old_bo != new_bo) nouveau_bo_unpin(old_bo); nouveau_fence_unref(&fence); return 0; fail_unreserve: ttm_bo_unreserve(&old_bo->bo); fail_unpin: mutex_unlock(&chan->cli->mutex); if (old_bo != new_bo) nouveau_bo_unpin(new_bo); fail_free: kfree(s); return ret; } int nouveau_finish_page_flip(struct nouveau_channel *chan, struct nouveau_page_flip_state *ps) { struct nouveau_fence_chan *fctx = chan->fence; struct nouveau_drm *drm = chan->drm; struct drm_device *dev = drm->dev; struct nouveau_page_flip_state *s; unsigned long flags; int crtcid = -1; spin_lock_irqsave(&dev->event_lock, flags); if (list_empty(&fctx->flip)) { NV_ERROR(drm, "unexpected pageflip\n"); spin_unlock_irqrestore(&dev->event_lock, flags); return -EINVAL; } s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); if (s->event) { /* Vblank timestamps/counts are only correct on >= NV-50 */ if (nv_device(drm->device)->card_type >= NV_50) crtcid = s->crtc; drm_send_vblank_event(dev, crtcid, s->event); } list_del(&s->head); if (ps) *ps = *s; kfree(s); spin_unlock_irqrestore(&dev->event_lock, flags); return 0; } int nouveau_flip_complete(void *data) { struct nouveau_channel *chan = data; struct nouveau_drm *drm = chan->drm; struct nouveau_page_flip_state state; if (!nouveau_finish_page_flip(chan, &state)) { if (nv_device(drm->device)->card_type < NV_50) { nv_set_crtc_base(drm->dev, state.crtc, state.offset + state.y * state.pitch + state.x * state.bpp / 8); } } return 0; } int nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, struct drm_mode_create_dumb *args) { struct nouveau_bo *bo; int ret; args->pitch = roundup(args->width * (args->bpp / 8), 256); args->size = args->pitch * args->height; args->size = roundup(args->size, PAGE_SIZE); ret = nouveau_gem_new(dev, args->size, 0, NOUVEAU_GEM_DOMAIN_VRAM, 0, 0, &bo); if (ret) return ret; ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle); drm_gem_object_unreference_unlocked(&bo->gem); return ret; } int nouveau_display_dumb_map_offset(struct drm_file *file_priv, struct drm_device *dev, uint32_t handle, uint64_t *poffset) { struct drm_gem_object *gem; gem = drm_gem_object_lookup(dev, file_priv, handle); if (gem) { struct nouveau_bo *bo = nouveau_gem_object(gem); *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node); drm_gem_object_unreference_unlocked(gem); return 0; } return -ENOENT; }