diff options
Diffstat (limited to 'drivers/gpu/drm/vboxvideo/vbox_fb.c')
| -rw-r--r-- | drivers/gpu/drm/vboxvideo/vbox_fb.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/drivers/gpu/drm/vboxvideo/vbox_fb.c b/drivers/gpu/drm/vboxvideo/vbox_fb.c deleted file mode 100644 index 8f74bcffc034..000000000000 --- a/drivers/gpu/drm/vboxvideo/vbox_fb.c +++ /dev/null @@ -1,149 +0,0 @@ -// SPDX-License-Identifier: MIT -/* - * Copyright (C) 2013-2017 Oracle Corporation - * This file is based on ast_fb.c - * Copyright 2012 Red Hat Inc. - * Authors: Dave Airlie <airlied@redhat.com> - * Michael Thayer <michael.thayer@oracle.com, - */ -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/module.h> -#include <linux/pci.h> -#include <linux/string.h> -#include <linux/sysrq.h> -#include <linux/tty.h> - -#include <drm/drm_crtc.h> -#include <drm/drm_crtc_helper.h> -#include <drm/drm_fb_helper.h> -#include <drm/drm_fourcc.h> - -#include "vbox_drv.h" -#include "vboxvideo.h" - -#ifdef CONFIG_DRM_KMS_FB_HELPER -static struct fb_deferred_io vbox_defio = { - .delay = HZ / 30, - .deferred_io = drm_fb_helper_deferred_io, -}; -#endif - -static struct fb_ops vboxfb_ops = { - .owner = THIS_MODULE, - DRM_FB_HELPER_DEFAULT_OPS, - .fb_fillrect = drm_fb_helper_sys_fillrect, - .fb_copyarea = drm_fb_helper_sys_copyarea, - .fb_imageblit = drm_fb_helper_sys_imageblit, -}; - -int vboxfb_create(struct drm_fb_helper *helper, - struct drm_fb_helper_surface_size *sizes) -{ - struct vbox_private *vbox = - container_of(helper, struct vbox_private, fb_helper); - struct pci_dev *pdev = vbox->ddev.pdev; - struct drm_mode_fb_cmd2 mode_cmd; - struct drm_framebuffer *fb; - struct fb_info *info; - struct drm_gem_object *gobj; - struct drm_gem_vram_object *gbo; - int size, ret; - s64 gpu_addr; - u32 pitch; - - mode_cmd.width = sizes->surface_width; - mode_cmd.height = sizes->surface_height; - pitch = mode_cmd.width * ((sizes->surface_bpp + 7) / 8); - mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, - sizes->surface_depth); - mode_cmd.pitches[0] = pitch; - - size = pitch * mode_cmd.height; - - ret = vbox_gem_create(vbox, size, true, &gobj); - if (ret) { - DRM_ERROR("failed to create fbcon backing object %d\n", ret); - return ret; - } - - ret = vbox_framebuffer_init(vbox, &vbox->afb, &mode_cmd, gobj); - if (ret) - return ret; - - gbo = drm_gem_vram_of_gem(gobj); - - ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM); - if (ret) - return ret; - - info = drm_fb_helper_alloc_fbi(helper); - if (IS_ERR(info)) - return PTR_ERR(info); - - info->screen_size = size; - info->screen_base = (char __iomem *)drm_gem_vram_kmap(gbo, true, NULL); - if (IS_ERR(info->screen_base)) - return PTR_ERR(info->screen_base); - - fb = &vbox->afb.base; - helper->fb = fb; - - info->fbops = &vboxfb_ops; - - /* - * This seems to be done for safety checking that the framebuffer - * is not registered twice by different drivers. - */ - info->apertures->ranges[0].base = pci_resource_start(pdev, 0); - info->apertures->ranges[0].size = pci_resource_len(pdev, 0); - - drm_fb_helper_fill_info(info, helper, sizes); - - gpu_addr = drm_gem_vram_offset(gbo); - if (gpu_addr < 0) - return (int)gpu_addr; - info->fix.smem_start = info->apertures->ranges[0].base + gpu_addr; - info->fix.smem_len = vbox->available_vram_size - gpu_addr; - -#ifdef CONFIG_DRM_KMS_FB_HELPER - info->fbdefio = &vbox_defio; - fb_deferred_io_init(info); -#endif - - info->pixmap.flags = FB_PIXMAP_SYSTEM; - - DRM_DEBUG_KMS("allocated %dx%d\n", fb->width, fb->height); - - return 0; -} - -void vbox_fbdev_fini(struct vbox_private *vbox) -{ - struct vbox_framebuffer *afb = &vbox->afb; - -#ifdef CONFIG_DRM_KMS_FB_HELPER - if (vbox->fb_helper.fbdev && vbox->fb_helper.fbdev->fbdefio) - fb_deferred_io_cleanup(vbox->fb_helper.fbdev); -#endif - - drm_fb_helper_unregister_fbi(&vbox->fb_helper); - - if (afb->obj) { - struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(afb->obj); - - drm_gem_vram_kunmap(gbo); - drm_gem_vram_unpin(gbo); - - drm_gem_object_put_unlocked(afb->obj); - afb->obj = NULL; - } - drm_fb_helper_fini(&vbox->fb_helper); - - drm_framebuffer_unregister_private(&afb->base); - drm_framebuffer_cleanup(&afb->base); -} |