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committed 68a958a915c/* optimal value for 720p video *//* SPDX-License-Identifier: GPL-2.0 *//* * TODO: Propose standard fb.h ioctl for reporting damage, * using _IOWR() and one of the existing area structs from fb.h * Consider these ioctls deprecated, but they're still used by the * DisplayLink X server as yet - need both to be modified in tandem * when new ioctl(s) are ready. */struct dloarea { int x, y; int w, h; int x2, y2;};struct urb_node { struct list_head entry; struct dlfb_data *dlfb; struct urb *urb;};struct urb_list { struct list_head list; spinlock_t lock; struct semaphore limit_sem; int available; int count; size_t size;};struct dlfb_data { struct usb_device *udev; struct fb_info *info; struct urb_list urbs; char *backing_buffer; int fb_count; bool virtualized; /* true when physical usb device not present */ atomic_t usb_active; /* 0 = update virtual buffer, but no usb traffic */ atomic_t lost_pixels; /* 1 = a render op failed. Need screen refresh */ char *edid; /* null until we read edid from hw or get from sysfs */ size_t edid_size; int sku_pixel_limit; int base16; int base8; u32 pseudo_palette[256]; int blank_mode; /*one of FB_BLANK_ */ struct fb_ops ops; /* blit-only rendering path metrics, exposed through sysfs */ atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */ atomic_t bytes_identical; /* saved effort with backbuffer comparison */ atomic_t bytes_sent; /* to usb, after compression including overhead */ atomic_t cpu_kcycles_used; /* transpired during pixel processing */ struct fb_var_screeninfo current_mode; struct list_head deferred_free;};