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authorDamien Lespiau <damien.lespiau@intel.com>2013-09-27 12:11:50 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-10-01 07:45:45 +0200
commit5848ad409c1817f5b70507e6b4440fcbd002f6c5 (patch)
tree9d1244efe4cbf2d2fa37789acc1007ac1eeffa35 /drivers/gpu/drm/drm_crtc.c
parentfc4833c17cd58ad5de733e9e6649873cf0b34f2c (diff)
downloadblackbird-op-linux-5848ad409c1817f5b70507e6b4440fcbd002f6c5.tar.gz
blackbird-op-linux-5848ad409c1817f5b70507e6b4440fcbd002f6c5.zip
drm: Reject stereo modes with an unknown layout
The kernel shouldn't accept invalid modes, just say No. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r--drivers/gpu/drm/drm_crtc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 2ce80ed55b08..d7a8370e3cdc 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1319,6 +1319,9 @@ static int drm_crtc_convert_umode(struct drm_display_mode *out,
if (in->clock > INT_MAX || in->vrefresh > INT_MAX)
return -ERANGE;
+ if ((in->flags & DRM_MODE_FLAG_3D_MASK) > DRM_MODE_FLAG_3D_MAX)
+ return -EINVAL;
+
out->clock = in->clock;
out->hdisplay = in->hdisplay;
out->hsync_start = in->hsync_start;
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