brcm2708: remove linux 4.4 support
[openwrt/openwrt.git] / target / linux / brcm2708 / patches-4.4 / 0053-fbdev-add-FBIOCOPYAREA-ioctl.patch
diff --git a/target/linux/brcm2708/patches-4.4/0053-fbdev-add-FBIOCOPYAREA-ioctl.patch b/target/linux/brcm2708/patches-4.4/0053-fbdev-add-FBIOCOPYAREA-ioctl.patch
deleted file mode 100644 (file)
index 8d76149..0000000
+++ /dev/null
@@ -1,91 +0,0 @@
-From c5faa0d81a4cace1024a0c72c164c814b22d5499 Mon Sep 17 00:00:00 2001
-From: Siarhei Siamashka <siarhei.siamashka@gmail.com>
-Date: Mon, 17 Jun 2013 13:32:11 +0300
-Subject: [PATCH] fbdev: add FBIOCOPYAREA ioctl
-
-Based on the patch authored by Ali Gholami Rudi at
-    https://lkml.org/lkml/2009/7/13/153
-
-Provide an ioctl for userspace applications, but only if this operation
-is hardware accelerated (otherwide it does not make any sense).
-
-Signed-off-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>
----
- drivers/video/fbdev/core/fbmem.c | 30 ++++++++++++++++++++++++++++++
- include/uapi/linux/fb.h          |  5 +++++
- 2 files changed, 35 insertions(+)
-
---- a/drivers/video/fbdev/core/fbmem.c
-+++ b/drivers/video/fbdev/core/fbmem.c
-@@ -1084,6 +1084,25 @@ fb_blank(struct fb_info *info, int blank
- }
- EXPORT_SYMBOL(fb_blank);
-+static int fb_copyarea_user(struct fb_info *info,
-+                          struct fb_copyarea *copy)
-+{
-+      int ret = 0;
-+      if (!lock_fb_info(info))
-+              return -ENODEV;
-+      if (copy->dx + copy->width > info->var.xres ||
-+          copy->sx + copy->width > info->var.xres ||
-+          copy->dy + copy->height > info->var.yres ||
-+          copy->sy + copy->height > info->var.yres) {
-+              ret = -EINVAL;
-+              goto out;
-+      }
-+      info->fbops->fb_copyarea(info, copy);
-+out:
-+      unlock_fb_info(info);
-+      return ret;
-+}
-+
- static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
-                       unsigned long arg)
- {
-@@ -1094,6 +1113,7 @@ static long do_fb_ioctl(struct fb_info *
-       struct fb_cmap cmap_from;
-       struct fb_cmap_user cmap;
-       struct fb_event event;
-+      struct fb_copyarea copy;
-       void __user *argp = (void __user *)arg;
-       long ret = 0;
-@@ -1211,6 +1231,15 @@ static long do_fb_ioctl(struct fb_info *
-               unlock_fb_info(info);
-               console_unlock();
-               break;
-+      case FBIOCOPYAREA:
-+              if (info->flags & FBINFO_HWACCEL_COPYAREA) {
-+                      /* only provide this ioctl if it is accelerated */
-+                      if (copy_from_user(&copy, argp, sizeof(copy)))
-+                              return -EFAULT;
-+                      ret = fb_copyarea_user(info, &copy);
-+                      break;
-+              }
-+              /* fall through */
-       default:
-               if (!lock_fb_info(info))
-                       return -ENODEV;
-@@ -1365,6 +1394,7 @@ static long fb_compat_ioctl(struct file
-       case FBIOPAN_DISPLAY:
-       case FBIOGET_CON2FBMAP:
-       case FBIOPUT_CON2FBMAP:
-+      case FBIOCOPYAREA:
-               arg = (unsigned long) compat_ptr(arg);
-       case FBIOBLANK:
-               ret = do_fb_ioctl(info, cmd, arg);
---- a/include/uapi/linux/fb.h
-+++ b/include/uapi/linux/fb.h
-@@ -34,6 +34,11 @@
- #define FBIOPUT_MODEINFO        0x4617
- #define FBIOGET_DISPINFO        0x4618
- #define FBIO_WAITFORVSYNC     _IOW('F', 0x20, __u32)
-+/*
-+ * HACK: use 'z' in order not to clash with any other ioctl numbers which might
-+ * be concurrently added to the mainline kernel
-+ */
-+#define FBIOCOPYAREA          _IOW('z', 0x21, struct fb_copyarea)
- #define FB_TYPE_PACKED_PIXELS         0       /* Packed Pixels        */
- #define FB_TYPE_PLANES                        1       /* Non interleaved planes */