---
 drivers/video/fbdev/core/fbmem.c |   89 +++++++++++++++++++++++++++++++++++++++
 include/uapi/linux/fb.h          |   12 ++++-
 2 files changed, 100 insertions(+), 1 deletion(-)

Index: linux-4.14.2/drivers/video/fbdev/core/fbmem.c
===================================================================
--- linux-4.14.2.orig/drivers/video/fbdev/core/fbmem.c	2017-11-29 03:31:51.000000000 +0100
+++ linux-4.14.2/drivers/video/fbdev/core/fbmem.c	2017-11-29 03:32:39.000000000 +0100
@@ -1086,6 +1086,13 @@ fb_blank(struct fb_info *info, int blank
 }
 EXPORT_SYMBOL(fb_blank);
 
+static int support_accel_fillrect(struct fb_info *info)
+{
+	return (info->fix.visual == FB_VISUAL_PSEUDOCOLOR ||
+		info->fix.visual == FB_VISUAL_STATIC_PSEUDOCOLOR) &&
+		info->var.bits_per_pixel == 8;
+}
+
 static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
 			unsigned long arg)
 {
@@ -1096,6 +1103,8 @@ static long do_fb_ioctl(struct fb_info *
 	struct fb_cmap cmap_from;
 	struct fb_cmap_user cmap;
 	struct fb_event event;
+	struct fb_fillrect accel_fillrect;
+	struct fb_copyarea accel_copyarea;
 	void __user *argp = (void __user *)arg;
 	long ret = 0;
 
@@ -1213,6 +1222,80 @@ static long do_fb_ioctl(struct fb_info *
 		unlock_fb_info(info);
 		console_unlock();
 		break;
+	case FBIO_ACCEL_SUPPORT:
+		if (!lock_fb_info(info))
+			return -ENODEV;
+		if (support_accel_fillrect(info)) {
+			ret |= FB_ACCEL_FILLRECT_SUPPORTED;
+			if (info->flags & FBINFO_HWACCEL_FILLRECT)
+				ret |= FB_ACCEL_FILLRECT_ACCELERATED;
+		}
+		ret |= FB_ACCEL_COPYAREA_SUPPORTED;
+		if (info->flags & FBINFO_HWACCEL_COPYAREA)
+			ret |= FB_ACCEL_COPYAREA_ACCELERATED;
+		if (info->fbops->fb_sync)
+			ret |= FB_ACCEL_SYNC_NEEDED;
+		unlock_fb_info(info);
+		break;
+	case FBIO_ACCEL_SYNC:
+		if (!lock_fb_info(info))
+			return -ENODEV;
+		console_lock();
+		if (info->fbops->fb_sync)
+			info->fbops->fb_sync(info);
+		console_unlock();
+		unlock_fb_info(info);
+		break;
+	case FBIO_ACCEL_FILLRECT:
+	case FBIO_ACCEL_FILLRECT_SYNC:
+		if (copy_from_user(&accel_fillrect, argp, sizeof(accel_fillrect)))
+			return -EFAULT;
+		if (!lock_fb_info(info))
+			return -ENODEV;
+		console_lock();
+		if (!support_accel_fillrect(info)) {
+			ret = -EOPNOTSUPP;
+		} else if (accel_fillrect.dx + accel_fillrect.width < accel_fillrect.dx ||
+			   accel_fillrect.dx + accel_fillrect.width > info->var.xres_virtual ||
+			   accel_fillrect.dy + accel_fillrect.height < accel_fillrect.dy ||
+			   accel_fillrect.dy + accel_fillrect.height > info->var.yres_virtual ||
+			   accel_fillrect.rop > ROP_XOR ||
+			   accel_fillrect.color >= 0x100) {
+			ret = -EINVAL;
+		} else if (!accel_fillrect.width || !accel_fillrect.height) {
+		} else {
+			info->fbops->fb_fillrect(info, &accel_fillrect);
+		}
+		if (cmd == FBIO_ACCEL_FILLRECT_SYNC && info->fbops->fb_sync)
+			info->fbops->fb_sync(info);
+		console_unlock();
+		unlock_fb_info(info);
+		break;
+	case FBIO_ACCEL_COPYAREA:
+	case FBIO_ACCEL_COPYAREA_SYNC:
+		if (copy_from_user(&accel_copyarea, argp, sizeof(accel_copyarea)))
+			return -EFAULT;
+		if (!lock_fb_info(info))
+			return -ENODEV;
+		console_lock();
+		if (accel_copyarea.sx + accel_copyarea.width < accel_copyarea.sx ||
+		    accel_copyarea.sx + accel_copyarea.width > info->var.xres_virtual ||
+		    accel_copyarea.sy + accel_copyarea.height < accel_copyarea.sy ||
+		    accel_copyarea.sy + accel_copyarea.height > info->var.yres_virtual ||
+		    accel_copyarea.dx + accel_copyarea.width < accel_copyarea.dx ||
+		    accel_copyarea.dx + accel_copyarea.width > info->var.xres_virtual ||
+		    accel_copyarea.dy + accel_copyarea.height < accel_copyarea.dy ||
+		    accel_copyarea.dy + accel_copyarea.height > info->var.yres_virtual) {
+			ret = -EINVAL;
+		} else if (!accel_copyarea.width || !accel_copyarea.height) {
+		} else {
+			info->fbops->fb_copyarea(info, &accel_copyarea);
+		}
+		if (cmd == FBIO_ACCEL_COPYAREA_SYNC && info->fbops->fb_sync)
+			info->fbops->fb_sync(info);
+		console_unlock();
+		unlock_fb_info(info);
+		break;
 	default:
 		if (!lock_fb_info(info))
 			return -ENODEV;
@@ -1360,6 +1443,12 @@ static long fb_compat_ioctl(struct file
 	case FBIOPUT_CON2FBMAP:
 		arg = (unsigned long) compat_ptr(arg);
 	case FBIOBLANK:
+	case FBIO_ACCEL_SUPPORT:
+	case FBIO_ACCEL_SYNC:
+	case FBIO_ACCEL_FILLRECT:
+	case FBIO_ACCEL_FILLRECT_SYNC:
+	case FBIO_ACCEL_COPYAREA:
+	case FBIO_ACCEL_COPYAREA_SYNC:
 		ret = do_fb_ioctl(info, cmd, arg);
 		break;
 
Index: linux-4.14.2/include/uapi/linux/fb.h
===================================================================
--- linux-4.14.2.orig/include/uapi/linux/fb.h	2017-11-29 03:31:51.000000000 +0100
+++ linux-4.14.2/include/uapi/linux/fb.h	2017-11-29 03:32:39.000000000 +0100
@@ -35,6 +35,12 @@
 #define FBIOPUT_MODEINFO        0x4617
 #define FBIOGET_DISPINFO        0x4618
 #define FBIO_WAITFORVSYNC	_IOW('F', 0x20, __u32)
+#define FBIO_ACCEL_SUPPORT	0x4630
+#define FBIO_ACCEL_SYNC		0x4631
+#define FBIO_ACCEL_FILLRECT	0x4632
+#define FBIO_ACCEL_FILLRECT_SYNC 0x4633
+#define FBIO_ACCEL_COPYAREA	0x4634
+#define FBIO_ACCEL_COPYAREA_SYNC 0x4635
 
 #define FB_TYPE_PACKED_PIXELS		0	/* Packed Pixels	*/
 #define FB_TYPE_PLANES			1	/* Non interleaved planes */
@@ -334,7 +340,6 @@ struct fb_vblank {
 	__u32 reserved[4];		/* reserved for future compatibility */
 };
 
-/* Internal HW accel */
 #define ROP_COPY 0
 #define ROP_XOR  1
 
@@ -399,5 +404,10 @@ struct fb_cursor {
 #define FB_BACKLIGHT_MAX	0xFF
 #endif
 
+#define FB_ACCEL_FILLRECT_SUPPORTED	0x00000001
+#define FB_ACCEL_FILLRECT_ACCELERATED	0x00000002
+#define FB_ACCEL_COPYAREA_SUPPORTED	0x00000004
+#define FB_ACCEL_COPYAREA_ACCELERATED	0x00000008
+#define FB_ACCEL_SYNC_NEEDED		0x40000000
 
 #endif /* _UAPI_LINUX_FB_H */