drm/gma500: Add compat ioctl

commit 0a97c81a9717431e6c57ea845b59c3c345edce67 upstream.

Hook up drm_compat_ioctl to support 32-bit userspace on 64-bit kernels.
It turns out that N2600 and N2800 comes with 64-bit enabled. We
previously assumed there where no such systems out there.

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20161101144315.2955-1-patrik.r.jakobsson@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
index 50eb944fb78a..8f3ca526bd1b 100644
--- a/drivers/gpu/drm/gma500/psb_drv.c
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -473,6 +473,9 @@ static const struct file_operations psb_gem_fops = {
         .open = drm_open,
         .release = drm_release,
         .unlocked_ioctl = psb_unlocked_ioctl,
+#ifdef CONFIG_COMPAT
+        .compat_ioctl = drm_compat_ioctl,
+#endif
         .mmap = drm_gem_mmap,
         .poll = drm_poll,
         .read = drm_read,