drm/gma500: Add compat ioctl

[ Upstream commit 0a97c81a9717431e6c57ea845b59c3c345edce67 ]

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.

Cc: stable@vger.kernel.org
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: Sasha Levin <alexander.levin@verizon.com>

diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
index 92e7e5795398e80a6ab46f51d3aad4d22a4e8346..db98ab5cde3d86f04603615013466281b9fd7e40 100644 (file)
--- a/drivers/gpu/drm/gma500/psb_drv.c
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -484,6 +484,9 @@ 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,