diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c')
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c deleted file mode 100644 index bb8ac18298f6..000000000000 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c +++ /dev/null @@ -1,170 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd - * Author:Mark Yao <mark.yao@rock-chips.com> - */ - -#include <drm/drm.h> -#include <drm/drmP.h> -#include <drm/drm_fb_helper.h> -#include <drm/drm_probe_helper.h> - -#include "rockchip_drm_drv.h" -#include "rockchip_drm_gem.h" -#include "rockchip_drm_fb.h" -#include "rockchip_drm_fbdev.h" - -#define PREFERRED_BPP 32 -#define to_drm_private(x) \ - container_of(x, struct rockchip_drm_private, fbdev_helper) - -static int rockchip_fbdev_mmap(struct fb_info *info, - struct vm_area_struct *vma) -{ - struct drm_fb_helper *helper = info->par; - struct rockchip_drm_private *private = to_drm_private(helper); - - return rockchip_gem_mmap_buf(private->fbdev_bo, vma); -} - -static struct fb_ops rockchip_drm_fbdev_ops = { - .owner = THIS_MODULE, - DRM_FB_HELPER_DEFAULT_OPS, - .fb_mmap = rockchip_fbdev_mmap, - .fb_fillrect = drm_fb_helper_cfb_fillrect, - .fb_copyarea = drm_fb_helper_cfb_copyarea, - .fb_imageblit = drm_fb_helper_cfb_imageblit, -}; - -static int rockchip_drm_fbdev_create(struct drm_fb_helper *helper, - struct drm_fb_helper_surface_size *sizes) -{ - struct rockchip_drm_private *private = to_drm_private(helper); - struct drm_mode_fb_cmd2 mode_cmd = { 0 }; - struct drm_device *dev = helper->dev; - struct rockchip_gem_object *rk_obj; - struct drm_framebuffer *fb; - unsigned int bytes_per_pixel; - unsigned long offset; - struct fb_info *fbi; - size_t size; - int ret; - - bytes_per_pixel = DIV_ROUND_UP(sizes->surface_bpp, 8); - - mode_cmd.width = sizes->surface_width; - mode_cmd.height = sizes->surface_height; - mode_cmd.pitches[0] = sizes->surface_width * bytes_per_pixel; - mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, - sizes->surface_depth); - - size = mode_cmd.pitches[0] * mode_cmd.height; - - rk_obj = rockchip_gem_create_object(dev, size, true); - if (IS_ERR(rk_obj)) - return -ENOMEM; - - private->fbdev_bo = &rk_obj->base; - - fbi = drm_fb_helper_alloc_fbi(helper); - if (IS_ERR(fbi)) { - DRM_DEV_ERROR(dev->dev, "Failed to create framebuffer info.\n"); - ret = PTR_ERR(fbi); - goto out; - } - - helper->fb = rockchip_drm_framebuffer_init(dev, &mode_cmd, - private->fbdev_bo); - if (IS_ERR(helper->fb)) { - DRM_DEV_ERROR(dev->dev, - "Failed to allocate DRM framebuffer.\n"); - ret = PTR_ERR(helper->fb); - goto out; - } - - fbi->fbops = &rockchip_drm_fbdev_ops; - - fb = helper->fb; - drm_fb_helper_fill_info(fbi, helper, sizes); - - offset = fbi->var.xoffset * bytes_per_pixel; - offset += fbi->var.yoffset * fb->pitches[0]; - - dev->mode_config.fb_base = 0; - fbi->screen_base = rk_obj->kvaddr + offset; - fbi->screen_size = rk_obj->base.size; - fbi->fix.smem_len = rk_obj->base.size; - - DRM_DEBUG_KMS("FB [%dx%d]-%d kvaddr=%p offset=%ld size=%zu\n", - fb->width, fb->height, fb->format->depth, - rk_obj->kvaddr, - offset, size); - - return 0; - -out: - rockchip_gem_free_object(&rk_obj->base); - return ret; -} - -static const struct drm_fb_helper_funcs rockchip_drm_fb_helper_funcs = { - .fb_probe = rockchip_drm_fbdev_create, -}; - -int rockchip_drm_fbdev_init(struct drm_device *dev) -{ - struct rockchip_drm_private *private = dev->dev_private; - struct drm_fb_helper *helper; - int ret; - - if (!dev->mode_config.num_crtc || !dev->mode_config.num_connector) - return -EINVAL; - - helper = &private->fbdev_helper; - - drm_fb_helper_prepare(dev, helper, &rockchip_drm_fb_helper_funcs); - - ret = drm_fb_helper_init(dev, helper, ROCKCHIP_MAX_CONNECTOR); - if (ret < 0) { - DRM_DEV_ERROR(dev->dev, - "Failed to initialize drm fb helper - %d.\n", - ret); - return ret; - } - - ret = drm_fb_helper_single_add_all_connectors(helper); - if (ret < 0) { - DRM_DEV_ERROR(dev->dev, - "Failed to add connectors - %d.\n", ret); - goto err_drm_fb_helper_fini; - } - - ret = drm_fb_helper_initial_config(helper, PREFERRED_BPP); - if (ret < 0) { - DRM_DEV_ERROR(dev->dev, - "Failed to set initial hw config - %d.\n", - ret); - goto err_drm_fb_helper_fini; - } - - return 0; - -err_drm_fb_helper_fini: - drm_fb_helper_fini(helper); - return ret; -} - -void rockchip_drm_fbdev_fini(struct drm_device *dev) -{ - struct rockchip_drm_private *private = dev->dev_private; - struct drm_fb_helper *helper; - - helper = &private->fbdev_helper; - - drm_fb_helper_unregister_fbi(helper); - - if (helper->fb) - drm_framebuffer_put(helper->fb); - - drm_fb_helper_fini(helper); -} |