diff options
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 404597e8150a..6cb47d9f0ca2 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -3332,6 +3332,11 @@ int drm_mode_gamma_set_ioctl(struct drm_device *dev, } crtc = obj_to_crtc(obj); + if (crtc->funcs->gamma_set == NULL) { + ret = -ENOSYS; + goto out; + } + /* memcpy into gamma store */ if (crtc_lut->gamma_size != crtc->gamma_size) { ret = -EINVAL; |