Generate callback functions for struct fb_ops with the fbdev macro
FB_GEN_DEFAULT_DEFERRED_SYSMEM_OPS(). Initialize struct fb_ops to
the generated functions with fbdev initializer macros.

Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Cc: Bernie Thompson <ber...@plugable.com>
---
 drivers/video/fbdev/udlfb.c | 89 +++++++++----------------------------
 1 file changed, 22 insertions(+), 67 deletions(-)

diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index b70762ead13c..2460ff4ac86b 100644
--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -715,68 +715,6 @@ static void dlfb_offload_damage(struct dlfb_data *dlfb, 
int x, int y, int width,
        schedule_work(&dlfb->damage_work);
 }
 
-/*
- * Path triggered by usermode clients who write to filesystem
- * e.g. cat filename > /dev/fb1
- * Not used by X Windows or text-mode console. But useful for testing.
- * Slow because of extra copy and we must assume all pixels dirty.
- */
-static ssize_t dlfb_ops_write(struct fb_info *info, const char __user *buf,
-                         size_t count, loff_t *ppos)
-{
-       ssize_t result;
-       struct dlfb_data *dlfb = info->par;
-       u32 offset = (u32) *ppos;
-
-       result = fb_sys_write(info, buf, count, ppos);
-
-       if (result > 0) {
-               int start = max((int)(offset / info->fix.line_length), 0);
-               int lines = min((u32)((result / info->fix.line_length) + 1),
-                               (u32)info->var.yres);
-
-               dlfb_handle_damage(dlfb, 0, start, info->var.xres,
-                       lines);
-       }
-
-       return result;
-}
-
-/* hardware has native COPY command (see libdlo), but not worth it for fbcon */
-static void dlfb_ops_copyarea(struct fb_info *info,
-                               const struct fb_copyarea *area)
-{
-
-       struct dlfb_data *dlfb = info->par;
-
-       sys_copyarea(info, area);
-
-       dlfb_offload_damage(dlfb, area->dx, area->dy,
-                       area->width, area->height);
-}
-
-static void dlfb_ops_imageblit(struct fb_info *info,
-                               const struct fb_image *image)
-{
-       struct dlfb_data *dlfb = info->par;
-
-       sys_imageblit(info, image);
-
-       dlfb_offload_damage(dlfb, image->dx, image->dy,
-                       image->width, image->height);
-}
-
-static void dlfb_ops_fillrect(struct fb_info *info,
-                         const struct fb_fillrect *rect)
-{
-       struct dlfb_data *dlfb = info->par;
-
-       sys_fillrect(info, rect);
-
-       dlfb_offload_damage(dlfb, rect->dx, rect->dy, rect->width,
-                             rect->height);
-}
-
 /*
  * NOTE: fb_defio.c is holding info->fbdefio.mutex
  *   Touching ANY framebuffer memory that triggers a page fault
@@ -1186,14 +1124,31 @@ static int dlfb_ops_blank(int blank_mode, struct 
fb_info *info)
        return 0;
 }
 
+static void dlfb_ops_damage_range(struct fb_info *info, off_t off, size_t len)
+{
+       struct dlfb_data *dlfb = info->par;
+       int start = max((int)(off / info->fix.line_length), 0);
+       int lines = min((u32)((len / info->fix.line_length) + 1), 
(u32)info->var.yres);
+
+       dlfb_handle_damage(dlfb, 0, start, info->var.xres, lines);
+}
+
+static void dlfb_ops_damage_area(struct fb_info *info, u32 x, u32 y, u32 
width, u32 height)
+{
+       struct dlfb_data *dlfb = info->par;
+
+       dlfb_offload_damage(dlfb, x, y, width, height);
+}
+
+FB_GEN_DEFAULT_DEFERRED_SYSMEM_OPS(dlfb_ops,
+                                  dlfb_ops_damage_range,
+                                  dlfb_ops_damage_area)
+
 static const struct fb_ops dlfb_ops = {
        .owner = THIS_MODULE,
-       .fb_read = fb_sys_read,
-       .fb_write = dlfb_ops_write,
+       __FB_DEFAULT_DEFERRED_OPS_RDWR(dlfb_ops),
        .fb_setcolreg = dlfb_ops_setcolreg,
-       .fb_fillrect = dlfb_ops_fillrect,
-       .fb_copyarea = dlfb_ops_copyarea,
-       .fb_imageblit = dlfb_ops_imageblit,
+       __FB_DEFAULT_DEFERRED_OPS_DRAW(dlfb_ops),
        .fb_mmap = dlfb_ops_mmap,
        .fb_ioctl = dlfb_ops_ioctl,
        .fb_open = dlfb_ops_open,
-- 
2.41.0

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