diff options
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 239342f554b4..fe94cc10cd35 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -2178,6 +2178,13 @@ int drm_mode_setplane(struct drm_device *dev, void *data, goto out; } + /* Check whether this plane is usable on this CRTC */ + if (!(plane->possible_crtcs & drm_crtc_mask(crtc))) { + DRM_DEBUG_KMS("Invalid crtc for plane\n"); + ret = -EINVAL; + goto out; + } + fb = drm_framebuffer_lookup(dev, plane_req->fb_id); if (!fb) { DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", |