/* Map the framebuffer from the card and configure the core */ static int mga_vram_init(struct mga_device *mdev) { void __iomem *mem; struct apertures_struct *aper = alloc_apertures(1); if (!aper) return -ENOMEM; /* BAR 0 is VRAM */ mdev->mc.vram_base = pci_resource_start(mdev->dev->pdev, 0); mdev->mc.vram_window = pci_resource_len(mdev->dev->pdev, 0); aper->ranges[0].base = mdev->mc.vram_base; aper->ranges[0].size = mdev->mc.vram_window; remove_conflicting_framebuffers(aper, "mgafb", true); kfree(aper); if (!devm_request_mem_region(mdev->dev->dev, mdev->mc.vram_base, mdev->mc.vram_window, "mgadrmfb_vram")) { DRM_ERROR("can't reserve VRAM\n"); return -ENXIO; } mem = pci_iomap(mdev->dev->pdev, 0, 0); mdev->mc.vram_size = mga_probe_vram(mdev, mem); pci_iounmap(mdev->dev->pdev, mem); return 0; }
static struct apertures_struct *nouveau_get_apertures(struct drm_device *dev) { struct pci_dev *pdev = dev->pdev; struct apertures_struct *aper = alloc_apertures(3); if (!aper) return NULL; aper->ranges[0].base = pci_resource_start(pdev, 1); aper->ranges[0].size = pci_resource_len(pdev, 1); aper->count = 1; if (pci_resource_len(pdev, 2)) { aper->ranges[aper->count].base = pci_resource_start(pdev, 2); aper->ranges[aper->count].size = pci_resource_len(pdev, 2); aper->count++; } if (pci_resource_len(pdev, 3)) { aper->ranges[aper->count].base = pci_resource_start(pdev, 3); aper->ranges[aper->count].size = pci_resource_len(pdev, 3); aper->count++; } return aper; }
static int bochs_kick_out_firmware_fb(struct pci_dev *pdev) { struct apertures_struct *ap; ap = alloc_apertures(1); if (!ap) return -ENOMEM; ap->ranges[0].base = pci_resource_start(pdev, 0); ap->ranges[0].size = pci_resource_len(pdev, 0); remove_conflicting_framebuffers(ap, "bochsdrmfb", false); kfree(ap); return 0; }
static void sun4i_remove_framebuffers(void) { struct apertures_struct *ap; ap = alloc_apertures(1); if (!ap) return; /* The framebuffer can be located anywhere in RAM */ ap->ranges[0].base = 0; ap->ranges[0].size = ~0; drm_fb_helper_remove_conflicting_framebuffers(ap, "sun4i-drm-fb", false); kfree(ap); }
static void radeon_kick_out_firmware_fb(struct pci_dev *pdev) { struct apertures_struct *ap; bool primary = false; ap = alloc_apertures(1); ap->ranges[0].base = pci_resource_start(pdev, 0); ap->ranges[0].size = pci_resource_len(pdev, 0); #ifdef CONFIG_X86 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; #endif remove_conflicting_framebuffers(ap, "radeondrmfb", primary); kfree(ap); }
/* Get framebuffer memory from Hyper-V video pci space */ static int hvfb_getmem(struct fb_info *info) { struct pci_dev *pdev; ulong fb_phys; void __iomem *fb_virt; pdev = pci_get_device(PCI_VENDOR_ID_MICROSOFT, PCI_DEVICE_ID_HYPERV_VIDEO, NULL); if (!pdev) { pr_err("Unable to find PCI Hyper-V video\n"); return -ENODEV; } if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || pci_resource_len(pdev, 0) < screen_fb_size) goto err1; fb_phys = pci_resource_end(pdev, 0) - screen_fb_size + 1; if (!request_mem_region(fb_phys, screen_fb_size, KBUILD_MODNAME)) goto err1; fb_virt = ioremap(fb_phys, screen_fb_size); if (!fb_virt) goto err2; info->apertures = alloc_apertures(1); if (!info->apertures) goto err3; info->apertures->ranges[0].base = pci_resource_start(pdev, 0); info->apertures->ranges[0].size = pci_resource_len(pdev, 0); info->fix.smem_start = fb_phys; info->fix.smem_len = screen_fb_size; info->screen_base = fb_virt; info->screen_size = screen_fb_size; pci_dev_put(pdev); return 0; err3: iounmap(fb_virt); err2: release_mem_region(fb_phys, screen_fb_size); err1: pci_dev_put(pdev); return -ENOMEM; }
static void vc4_kick_out_firmware_fb(void) { struct apertures_struct *ap; ap = alloc_apertures(1); if (!ap) return; /* Since VC4 is a UMA device, the simplefb node may have been * located anywhere in memory. */ ap->ranges[0].base = 0; ap->ranges[0].size = ~0; drm_fb_helper_remove_conflicting_framebuffers(ap, "vc4drmfb", false); kfree(ap); }
static void virtio_pci_kick_out_firmware_fb(struct pci_dev *pci_dev) { struct apertures_struct *ap; bool primary; ap = alloc_apertures(1); if (!ap) return; ap->ranges[0].base = pci_resource_start(pci_dev, 0); ap->ranges[0].size = pci_resource_len(pci_dev, 0); primary = pci_dev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; drm_fb_helper_remove_conflicting_framebuffers(ap, "virtiodrmfb", primary); kfree(ap); }
static int cirrus_kick_out_firmware_fb(struct pci_dev *pdev) { struct apertures_struct *ap; bool primary = false; ap = alloc_apertures(1); if (!ap) return -ENOMEM; ap->ranges[0].base = pci_resource_start(pdev, 0); ap->ranges[0].size = pci_resource_len(pdev, 0); #ifdef CONFIG_X86 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; #endif drm_fb_helper_remove_conflicting_framebuffers(ap, "cirrusdrmfb", primary); kfree(ap); return 0; }
static int i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv) { struct apertures_struct *ap; struct pci_dev *pdev = dev_priv->dev->pdev; bool primary; int ret; ap = alloc_apertures(1); if (!ap) return -ENOMEM; ap->ranges[0].base = dev_priv->gtt.mappable_base; ap->ranges[0].size = dev_priv->gtt.mappable_end; primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; ret = remove_conflicting_framebuffers(ap, "inteldrmfb", primary); kfree(ap); return ret; }
static void __init offb_init_fb(const char *name, const char *full_name, int width, int height, int depth, int pitch, unsigned long address, int foreign_endian, struct device_node *dp) { unsigned long res_size = pitch * height * (depth + 7) / 8; struct offb_par *par = &default_par; unsigned long res_start = address; struct fb_fix_screeninfo *fix; struct fb_var_screeninfo *var; struct fb_info *info; if (!request_mem_region(res_start, res_size, "offb")) return; printk(KERN_INFO "Using unsupported %dx%d %s at %lx, depth=%d, pitch=%d\n", width, height, name, address, depth, pitch); if (depth != 8 && depth != 15 && depth != 16 && depth != 32) { printk(KERN_ERR "%s: can't use depth = %d\n", full_name, depth); release_mem_region(res_start, res_size); return; } info = framebuffer_alloc(sizeof(u32) * 16, NULL); if (info == 0) { release_mem_region(res_start, res_size); return; } fix = &info->fix; var = &info->var; info->par = par; strcpy(fix->id, "OFfb "); strncat(fix->id, name, sizeof(fix->id) - sizeof("OFfb ")); fix->id[sizeof(fix->id) - 1] = '\0'; var->xres = var->xres_virtual = width; var->yres = var->yres_virtual = height; fix->line_length = pitch; fix->smem_start = address; fix->smem_len = pitch * height; fix->type = FB_TYPE_PACKED_PIXELS; fix->type_aux = 0; par->cmap_type = cmap_unknown; if (depth == 8) offb_init_palette_hacks(info, dp, name, address); else fix->visual = FB_VISUAL_TRUECOLOR; var->xoffset = var->yoffset = 0; switch (depth) { case 8: var->bits_per_pixel = 8; var->red.offset = 0; var->red.length = 8; var->green.offset = 0; var->green.length = 8; var->blue.offset = 0; var->blue.length = 8; var->transp.offset = 0; var->transp.length = 0; break; case 15: /* RGB 555 */ var->bits_per_pixel = 16; var->red.offset = 10; var->red.length = 5; var->green.offset = 5; var->green.length = 5; var->blue.offset = 0; var->blue.length = 5; var->transp.offset = 0; var->transp.length = 0; break; case 16: /* RGB 565 */ var->bits_per_pixel = 16; var->red.offset = 11; var->red.length = 5; var->green.offset = 5; var->green.length = 6; var->blue.offset = 0; var->blue.length = 5; var->transp.offset = 0; var->transp.length = 0; break; case 32: /* RGB 888 */ var->bits_per_pixel = 32; var->red.offset = 16; var->red.length = 8; var->green.offset = 8; var->green.length = 8; var->blue.offset = 0; var->blue.length = 8; var->transp.offset = 24; var->transp.length = 8; break; } var->red.msb_right = var->green.msb_right = var->blue.msb_right = var->transp.msb_right = 0; var->grayscale = 0; var->nonstd = 0; var->activate = 0; var->height = var->width = -1; var->pixclock = 10000; var->left_margin = var->right_margin = 16; var->upper_margin = var->lower_margin = 16; var->hsync_len = var->vsync_len = 8; var->sync = 0; var->vmode = FB_VMODE_NONINTERLACED; /* set offb aperture size for generic probing */ info->apertures = alloc_apertures(1); if (!info->apertures) goto out_aper; info->apertures->ranges[0].base = address; info->apertures->ranges[0].size = fix->smem_len; info->fbops = &offb_ops; info->screen_base = ioremap(address, fix->smem_len); info->pseudo_palette = (void *) (info + 1); info->flags = FBINFO_DEFAULT | FBINFO_MISC_FIRMWARE | foreign_endian; fb_alloc_cmap(&info->cmap, 256, 0); if (register_framebuffer(info) < 0) goto out_err; printk(KERN_INFO "fb%d: Open Firmware frame buffer device on %s\n", info->node, full_name); return; out_err: iounmap(info->screen_base); out_aper: iounmap(par->cmap_adr); par->cmap_adr = NULL; framebuffer_release(info); release_mem_region(res_start, res_size); }
static int intelfb_create(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { struct intel_fbdev *ifbdev = container_of(helper, struct intel_fbdev, helper); struct intel_framebuffer *intel_fb = ifbdev->fb; struct drm_device *dev = helper->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct fb_info *info; struct drm_framebuffer *fb; struct drm_i915_gem_object *obj; int size, ret; mutex_lock(&dev->struct_mutex); if (!intel_fb || WARN_ON(!intel_fb->obj)) { DRM_DEBUG_KMS("no BIOS fb, allocating a new one\n"); ret = intelfb_alloc(helper, sizes); if (ret) goto out_unlock; intel_fb = ifbdev->fb; } else { DRM_DEBUG_KMS("re-using BIOS fb\n"); sizes->fb_width = intel_fb->base.width; sizes->fb_height = intel_fb->base.height; } obj = intel_fb->obj; size = obj->base.size; info = framebuffer_alloc(0, &dev->pdev->dev); if (!info) { ret = -ENOMEM; goto out_unpin; } info->par = helper; fb = &ifbdev->fb->base; ifbdev->helper.fb = fb; ifbdev->helper.fbdev = info; strcpy(info->fix.id, "inteldrmfb"); info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; info->fbops = &intelfb_ops; ret = fb_alloc_cmap(&info->cmap, 256, 0); if (ret) { ret = -ENOMEM; goto out_unpin; } /* setup aperture base/size for vesafb takeover */ info->apertures = alloc_apertures(1); if (!info->apertures) { ret = -ENOMEM; goto out_unpin; } info->apertures->ranges[0].base = dev->mode_config.fb_base; info->apertures->ranges[0].size = dev_priv->gtt.mappable_end; info->fix.smem_start = dev->mode_config.fb_base + i915_gem_obj_ggtt_offset(obj); info->fix.smem_len = size; info->screen_base = ioremap_wc(dev_priv->gtt.mappable_base + i915_gem_obj_ggtt_offset(obj), size); if (!info->screen_base) { ret = -ENOSPC; goto out_unpin; } info->screen_size = size; /* This driver doesn't need a VT switch to restore the mode on resume */ info->skip_vt_switch = true; drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height); /* If the object is shmemfs backed, it will have given us zeroed pages. * If the object is stolen however, it will be full of whatever * garbage was left in there. */ if (ifbdev->fb->obj->stolen) memset_io(info->screen_base, 0, info->screen_size); /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08lx, bo %p\n", fb->width, fb->height, i915_gem_obj_ggtt_offset(obj), obj); mutex_unlock(&dev->struct_mutex); vga_switcheroo_client_fb_set(dev->pdev, info); return 0; out_unpin: i915_gem_object_ggtt_unpin(obj); drm_gem_object_unreference(&obj->base); out_unlock: mutex_unlock(&dev->struct_mutex); return ret; }
static int intelfb_create(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { struct intel_fbdev *ifbdev = container_of(helper, struct intel_fbdev, helper); struct drm_device *dev = helper->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct fb_info *info; struct drm_framebuffer *fb; struct drm_mode_fb_cmd2 mode_cmd = {}; struct drm_i915_gem_object *obj; struct device *device = &dev->pdev->dev; int size, ret; /* we don't do packed 24bpp */ if (sizes->surface_bpp == 24) sizes->surface_bpp = 32; mode_cmd.width = sizes->surface_width; mode_cmd.height = sizes->surface_height; mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((sizes->surface_bpp + 7) / 8), 64); mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, sizes->surface_depth); size = mode_cmd.pitches[0] * mode_cmd.height; size = ALIGN(size, PAGE_SIZE); obj = i915_gem_object_create_stolen(dev, size); if (obj == NULL) obj = i915_gem_alloc_object(dev, size); if (!obj) { DRM_ERROR("failed to allocate framebuffer\n"); ret = -ENOMEM; goto out; } mutex_lock(&dev->struct_mutex); /* Flush everything out, we'll be doing GTT only from now on */ ret = intel_pin_and_fence_fb_obj(dev, obj, NULL); if (ret) { DRM_ERROR("failed to pin fb: %d\n", ret); goto out_unref; } info = framebuffer_alloc(0, device); if (!info) { ret = -ENOMEM; goto out_unpin; } info->par = helper; ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj); if (ret) goto out_fbrelease; fb = &ifbdev->ifb.base; ifbdev->helper.fb = fb; ifbdev->helper.fbdev = info; strncpy(info->fix.id, "inteldrmfb", sizeof(info->fix.id) - 1); info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; info->fbops = &intelfb_ops; ret = fb_alloc_cmap(&info->cmap, 256, 0); if (ret) { ret = -ENOMEM; goto out_fbdestroy; } /* setup aperture base/size for vesafb takeover */ info->apertures = alloc_apertures(1); if (!info->apertures) { ret = -ENOMEM; goto out_decmap; } info->apertures->ranges[0].base = dev->mode_config.fb_base; info->apertures->ranges[0].size = dev_priv->gtt.mappable_end; info->fix.smem_start = dev->mode_config.fb_base + i915_gem_obj_ggtt_offset(obj); info->fix.smem_len = size; info->screen_base = ioremap_wc(dev_priv->gtt.mappable_base + i915_gem_obj_ggtt_offset(obj), size); if (!info->screen_base) { ret = -ENOSPC; goto out_freeap; } info->screen_size = size; /* This driver doesn't need a VT switch to restore the mode on resume */ info->skip_vt_switch = true; drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height); /* If the object is shmemfs backed, it will have given us zeroed pages. * If the object is stolen however, it will be full of whatever * garbage was left in there. */ if (ifbdev->ifb.obj->stolen) memset_io(info->screen_base, 0, info->screen_size); /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08lx, bo %p\n", fb->width, fb->height, i915_gem_obj_ggtt_offset(obj), obj); mutex_unlock(&dev->struct_mutex); vga_switcheroo_client_fb_set(dev->pdev, info); return 0; out_freeap: kfree(info->apertures); out_decmap: fb_dealloc_cmap(&info->cmap); out_fbdestroy: fb->funcs->destroy(fb); out_fbrelease: kfree(info); out_unpin: i915_gem_object_unpin(obj); out_unref: drm_gem_object_unreference(&obj->base); mutex_unlock(&dev->struct_mutex); out: return ret; }
static int intelfb_create(struct intel_fbdev *ifbdev, struct drm_fb_helper_surface_size *sizes) { struct drm_device *dev = ifbdev->helper.dev; struct drm_i915_private *dev_priv = dev->dev_private; struct fb_info *info; struct drm_framebuffer *fb; struct drm_mode_fb_cmd2 mode_cmd; struct drm_i915_gem_object *obj; struct device *device = &dev->pdev->dev; int size, ret; /* we don't do packed 24bpp */ if (sizes->surface_bpp == 24) sizes->surface_bpp = 32; mode_cmd.width = sizes->surface_width; mode_cmd.height = sizes->surface_height; mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((sizes->surface_bpp + 7) / 8), 64); mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, sizes->surface_depth); size = mode_cmd.pitches[0] * mode_cmd.height; size = ALIGN(size, PAGE_SIZE); obj = i915_gem_alloc_object(dev, size); if (!obj) { DRM_ERROR("failed to allocate framebuffer\n"); ret = -ENOMEM; goto out; } mutex_lock(&dev->struct_mutex); /* Flush everything out, we'll be doing GTT only from now on */ ret = intel_pin_and_fence_fb_obj(dev, obj, false); if (ret) { DRM_ERROR("failed to pin fb: %d\n", ret); goto out_unref; } info = framebuffer_alloc(0, device); if (!info) { ret = -ENOMEM; goto out_unpin; } info->par = ifbdev; ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj); if (ret) goto out_unpin; fb = &ifbdev->ifb.base; ifbdev->helper.fb = fb; ifbdev->helper.fbdev = info; strcpy(info->fix.id, "inteldrmfb"); info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; info->fbops = &intelfb_ops; ret = fb_alloc_cmap(&info->cmap, 256, 0); if (ret) { ret = -ENOMEM; goto out_unpin; } /* setup aperture base/size for vesafb takeover */ info->apertures = alloc_apertures(1); if (!info->apertures) { ret = -ENOMEM; goto out_unpin; } info->apertures->ranges[0].base = dev->mode_config.fb_base; info->apertures->ranges[0].size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT; info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset; info->fix.smem_len = size; info->screen_base = ioremap_wc(dev->agp->base + obj->gtt_offset, size); if (!info->screen_base) { ret = -ENOSPC; goto out_unpin; } info->screen_size = size; // memset(info->screen_base, 0, size); drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height); info->pixmap.size = 64*1024; info->pixmap.buf_align = 8; info->pixmap.access_align = 32; info->pixmap.flags = FB_PIXMAP_SYSTEM; info->pixmap.scan_align = 1; DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n", fb->width, fb->height, obj->gtt_offset, obj); mutex_unlock(&dev->struct_mutex); vga_switcheroo_client_fb_set(dev->pdev, info); return 0; out_unpin: i915_gem_object_unpin(obj); out_unref: drm_gem_object_unreference(&obj->base); mutex_unlock(&dev->struct_mutex); out: return ret; }
/* Get framebuffer memory from Hyper-V video pci space */ static int hvfb_getmem(struct fb_info *info) { struct hvfb_par *par = info->par; struct pci_dev *pdev = NULL; void __iomem *fb_virt; int gen2vm = efi_enabled(EFI_BOOT); int ret; par->mem.name = KBUILD_MODNAME; par->mem.flags = IORESOURCE_MEM | IORESOURCE_BUSY; if (gen2vm) { ret = allocate_resource(&hyperv_mmio, &par->mem, screen_fb_size, 0, -1, screen_fb_size, NULL, NULL); if (ret != 0) { pr_err("Unable to allocate framebuffer memory\n"); return -ENODEV; } } else { pdev = pci_get_device(PCI_VENDOR_ID_MICROSOFT, PCI_DEVICE_ID_HYPERV_VIDEO, NULL); if (!pdev) { pr_err("Unable to find PCI Hyper-V video\n"); return -ENODEV; } if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || pci_resource_len(pdev, 0) < screen_fb_size) goto err1; par->mem.end = pci_resource_end(pdev, 0); par->mem.start = par->mem.end - screen_fb_size + 1; ret = request_resource(&pdev->resource[0], &par->mem); if (ret != 0) { pr_err("Unable to request framebuffer memory\n"); goto err1; } } fb_virt = ioremap(par->mem.start, screen_fb_size); if (!fb_virt) goto err2; info->apertures = alloc_apertures(1); if (!info->apertures) goto err3; if (gen2vm) { info->apertures->ranges[0].base = screen_info.lfb_base; info->apertures->ranges[0].size = screen_info.lfb_size; remove_conflicting_framebuffers(info->apertures, KBUILD_MODNAME, false); } else { info->apertures->ranges[0].base = pci_resource_start(pdev, 0); info->apertures->ranges[0].size = pci_resource_len(pdev, 0); } info->fix.smem_start = par->mem.start; info->fix.smem_len = screen_fb_size; info->screen_base = fb_virt; info->screen_size = screen_fb_size; if (!gen2vm) pci_dev_put(pdev); return 0; err3: iounmap(fb_virt); err2: release_resource(&par->mem); err1: if (!gen2vm) pci_dev_put(pdev); return -ENOMEM; }
static int radeonfb_create(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { struct radeon_fbdev *rfbdev = container_of(helper, struct radeon_fbdev, helper); struct radeon_device *rdev = rfbdev->rdev; struct fb_info *info; struct drm_framebuffer *fb = NULL; struct drm_mode_fb_cmd2 mode_cmd; struct drm_gem_object *gobj = NULL; struct radeon_bo *rbo = NULL; struct device *device = &rdev->pdev->dev; int ret; unsigned long tmp; mode_cmd.width = sizes->surface_width; mode_cmd.height = sizes->surface_height; /* avivo can't scanout real 24bpp */ if ((sizes->surface_bpp == 24) && ASIC_IS_AVIVO(rdev)) sizes->surface_bpp = 32; mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, sizes->surface_depth); ret = radeonfb_create_pinned_object(rfbdev, &mode_cmd, &gobj); if (ret) { DRM_ERROR("failed to create fbcon object %d\n", ret); return ret; } rbo = gem_to_radeon_bo(gobj); /* okay we have an object now allocate the framebuffer */ info = framebuffer_alloc(0, device); if (info == NULL) { ret = -ENOMEM; goto out_unref; } info->par = rfbdev; ret = radeon_framebuffer_init(rdev->ddev, &rfbdev->rfb, &mode_cmd, gobj); if (ret) { DRM_ERROR("failed to initialize framebuffer %d\n", ret); goto out_unref; } fb = &rfbdev->rfb.base; /* setup helper */ rfbdev->helper.fb = fb; rfbdev->helper.fbdev = info; memset_io(rbo->kptr, 0x0, radeon_bo_size(rbo)); strcpy(info->fix.id, "radeondrmfb"); drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; info->fbops = &radeonfb_ops; tmp = radeon_bo_gpu_offset(rbo) - rdev->mc.vram_start; info->fix.smem_start = rdev->mc.aper_base + tmp; info->fix.smem_len = radeon_bo_size(rbo); info->screen_base = rbo->kptr; info->screen_size = radeon_bo_size(rbo); drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height); /* setup aperture base/size for vesafb takeover */ info->apertures = alloc_apertures(1); if (!info->apertures) { ret = -ENOMEM; goto out_unref; } info->apertures->ranges[0].base = rdev->ddev->mode_config.fb_base; info->apertures->ranges[0].size = rdev->mc.aper_size; /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ if (info->screen_base == NULL) { ret = -ENOSPC; goto out_unref; } ret = fb_alloc_cmap(&info->cmap, 256, 0); if (ret) { ret = -ENOMEM; goto out_unref; } DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start); DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev->mc.aper_base); DRM_INFO("size %lu\n", (unsigned long)radeon_bo_size(rbo)); DRM_INFO("fb depth is %d\n", fb->depth); DRM_INFO(" pitch is %d\n", fb->pitches[0]); vga_switcheroo_client_fb_set(rdev->ddev->pdev, info); return 0; out_unref: if (rbo) { } if (fb && ret) { drm_gem_object_unreference(gobj); drm_framebuffer_unregister_private(fb); drm_framebuffer_cleanup(fb); kfree(fb); } return ret; }
static int intelfb_create(struct intel_fbdev *ifbdev, struct drm_fb_helper_surface_size *sizes) { struct drm_device *dev = ifbdev->helper.dev; #if 0 struct drm_i915_private *dev_priv = dev->dev_private; #endif struct fb_info *info; struct drm_framebuffer *fb; struct drm_mode_fb_cmd2 mode_cmd; struct drm_i915_gem_object *obj; int size, ret; /* we don't do packed 24bpp */ if (sizes->surface_bpp == 24) sizes->surface_bpp = 32; mode_cmd.width = sizes->surface_width; mode_cmd.height = sizes->surface_height; mode_cmd.pitches[0] = roundup2(mode_cmd.width * ((sizes->surface_bpp + 7) / 8), 64); mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, sizes->surface_depth); size = mode_cmd.pitches[0] * mode_cmd.height; size = roundup2(size, PAGE_SIZE); obj = i915_gem_alloc_object(dev, size); if (!obj) { DRM_ERROR("failed to allocate framebuffer\n"); ret = -ENOMEM; goto out; } DRM_LOCK(dev); /* Flush everything out, we'll be doing GTT only from now on */ ret = intel_pin_and_fence_fb_obj(dev, obj, false); if (ret) { DRM_ERROR("failed to pin fb: %d\n", ret); goto out_unref; } #if 0 info = framebuffer_alloc(0, device); if (!info) { ret = -ENOMEM; goto out_unpin; } info->par = ifbdev; #else info = malloc(sizeof(struct fb_info), DRM_MEM_KMS, M_WAITOK | M_ZERO); info->fb_size = size; info->fb_bpp = sizes->surface_bpp; info->fb_width = sizes->fb_width; info->fb_height = sizes->fb_height; info->fb_pbase = dev->agp->base + obj->gtt_offset; info->fb_vbase = (vm_offset_t)pmap_mapdev_attr(info->fb_pbase, size, PAT_WRITE_COMBINING); #endif ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj); if (ret) goto out_unpin; fb = &ifbdev->ifb.base; ifbdev->helper.fb = fb; ifbdev->helper.fbdev = info; #if 0 strcpy(info->fix.id, "inteldrmfb"); info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; info->fbops = &intelfb_ops; ret = fb_alloc_cmap(&info->cmap, 256, 0); if (ret) { ret = -ENOMEM; goto out_unpin; } /* setup aperture base/size for vesafb takeover */ info->apertures = alloc_apertures(1); if (!info->apertures) { ret = -ENOMEM; goto out_unpin; } info->apertures->ranges[0].base = dev->mode_config.fb_base; info->apertures->ranges[0].size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT; info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset; info->fix.smem_len = size; info->screen_base = ioremap_wc(dev->agp->base + obj->gtt_offset, size); if (!info->screen_base) { ret = -ENOSPC; goto out_unpin; } info->screen_size = size; // memset(info->screen_base, 0, size); drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height); /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ #endif DRM_DEBUG_KMS("allocated %dx%d (s %dbits) fb: 0x%08x, bo %p\n", fb->width, fb->height, fb->depth, obj->gtt_offset, obj); DRM_UNLOCK(dev); #if 1 KIB_NOTYET(); #else vga_switcheroo_client_fb_set(dev->pdev, info); #endif return 0; out_unpin: i915_gem_object_unpin(obj); out_unref: drm_gem_object_unreference(&obj->base); DRM_UNLOCK(dev); out: return ret; }
/* Get framebuffer memory from Hyper-V video pci space */ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info) { struct hvfb_par *par = info->par; struct pci_dev *pdev = NULL; void __iomem *fb_virt; int gen2vm = efi_enabled(EFI_BOOT); resource_size_t pot_start, pot_end; int ret; if (gen2vm) { pot_start = 0; pot_end = -1; } else { pdev = pci_get_device(PCI_VENDOR_ID_MICROSOFT, PCI_DEVICE_ID_HYPERV_VIDEO, NULL); if (!pdev) { pr_err("Unable to find PCI Hyper-V video\n"); return -ENODEV; } if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || pci_resource_len(pdev, 0) < screen_fb_size) goto err1; pot_end = pci_resource_end(pdev, 0); pot_start = pot_end - screen_fb_size + 1; } ret = vmbus_allocate_mmio(&par->mem, hdev, pot_start, pot_end, screen_fb_size, 0x100000, true); if (ret != 0) { pr_err("Unable to allocate framebuffer memory\n"); goto err1; } fb_virt = ioremap(par->mem->start, screen_fb_size); if (!fb_virt) goto err2; info->apertures = alloc_apertures(1); if (!info->apertures) goto err3; if (gen2vm) { info->apertures->ranges[0].base = screen_info.lfb_base; info->apertures->ranges[0].size = screen_info.lfb_size; remove_conflicting_framebuffers(info->apertures, KBUILD_MODNAME, false); } else { info->apertures->ranges[0].base = pci_resource_start(pdev, 0); info->apertures->ranges[0].size = pci_resource_len(pdev, 0); } info->fix.smem_start = par->mem->start; info->fix.smem_len = screen_fb_size; info->screen_base = fb_virt; info->screen_size = screen_fb_size; if (!gen2vm) pci_dev_put(pdev); return 0; err3: iounmap(fb_virt); err2: vmbus_free_mmio(par->mem->start, screen_fb_size); par->mem = NULL; err1: if (!gen2vm) pci_dev_put(pdev); return -ENOMEM; }
static int intelfb_create(struct intel_fbdev *ifbdev, struct drm_fb_helper_surface_size *sizes) { struct drm_device *dev = ifbdev->helper.dev; struct drm_i915_private *dev_priv = dev->dev_private; #if 0 struct fb_info *info; #endif struct drm_framebuffer *fb; struct drm_mode_fb_cmd2 mode_cmd = {}; struct drm_i915_gem_object *obj; int size, ret; /* we don't do packed 24bpp */ if (sizes->surface_bpp == 24) sizes->surface_bpp = 32; mode_cmd.width = sizes->surface_width; mode_cmd.height = sizes->surface_height; mode_cmd.pitches[0] = roundup2(mode_cmd.width * ((sizes->surface_bpp + 7) / 8), 64); mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, sizes->surface_depth); size = mode_cmd.pitches[0] * mode_cmd.height; size = roundup2(size, PAGE_SIZE); obj = i915_gem_alloc_object(dev, size); if (!obj) { DRM_ERROR("failed to allocate framebuffer\n"); ret = -ENOMEM; goto out; } DRM_LOCK(); /* Flush everything out, we'll be doing GTT only from now on */ ret = intel_pin_and_fence_fb_obj(dev, obj, false); if (ret) { DRM_ERROR("failed to pin fb: %d\n", ret); goto out_unref; } #if 0 info = framebuffer_alloc(0, device); if (!info) { ret = -ENOMEM; goto out_unpin; } info->par = ifbdev; #endif ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj); if (ret) goto out_unpin; fb = &ifbdev->ifb.base; ifbdev->helper.fb = fb; #if 0 ifbdev->helper.fbdev = info; strlcpy(info->fix.id, "inteldrmfb", sizeof(info->fix.id)); info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; info->fbops = &intelfb_ops; ret = fb_alloc_cmap(&info->cmap, 256, 0); if (ret) { ret = -ENOMEM; goto out_unpin; } /* setup aperture base/size for vesafb takeover */ info->apertures = alloc_apertures(1); if (!info->apertures) { ret = -ENOMEM; goto out_unpin; } info->apertures->ranges[0].base = dev->mode_config.fb_base; info->apertures->ranges[0].size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT; info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset; info->fix.smem_len = size; info->screen_base = ioremap_wc(dev->agp->base + obj->gtt_offset, size); if (!info->screen_base) { ret = -ENOSPC; goto out_unpin; } info->screen_size = size; // memset(info->screen_base, 0, size); drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height); /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ #else { struct rasops_info *ri = &dev_priv->ro; bus_space_handle_t bsh; int err; err = agp_map_subregion(dev_priv->agph, obj->gtt_offset, size, &bsh); if (err) { ret = -err; goto out_unpin; } ri->ri_bits = bus_space_vaddr(dev->bst, bsh); ri->ri_depth = fb->bits_per_pixel; ri->ri_stride = fb->pitches[0]; ri->ri_width = sizes->fb_width; ri->ri_height = sizes->fb_height; switch (fb->pixel_format) { case DRM_FORMAT_XRGB8888: ri->ri_rnum = 8; ri->ri_rpos = 16; ri->ri_gnum = 8; ri->ri_gpos = 8; ri->ri_bnum = 8; ri->ri_bpos = 0; break; case DRM_FORMAT_RGB565: ri->ri_rnum = 5; ri->ri_rpos = 11; ri->ri_gnum = 6; ri->ri_gpos = 5; ri->ri_bnum = 5; ri->ri_bpos = 0; break; } } #endif DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n", fb->width, fb->height, obj->gtt_offset, obj); DRM_UNLOCK(); #if 1 DRM_DEBUG_KMS("skipping call to vga_switcheroo_client_fb_set\n"); #else vga_switcheroo_client_fb_set(dev->pdev, info); #endif return 0; out_unpin: i915_gem_object_unpin(obj); out_unref: drm_gem_object_unreference(&obj->base); DRM_UNLOCK(); out: return ret; }