aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/drm_crtc.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2015-07-23 03:41:16 -0400
committerDavid S. Miller <davem@davemloft.net>2015-07-23 03:41:16 -0400
commitc5e40ee287db61a79af1746954ee03ebbf1ff8a3 (patch)
tree007da00e75e9b84766ac4868421705300e1e2e14 /drivers/gpu/drm/drm_crtc.c
parent052831879945be0d9fad2216b127147c565ec1b1 (diff)
parentc5dfd654d0ec0a28fe81e7bd4d4fd984a9855e09 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: net/bridge/br_mdb.c br_mdb.c conflict was a function call being removed to fix a bug in 'net' but whose signature was changed in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r--drivers/gpu/drm/drm_crtc.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index b9ba06176eb1..357bd04a173b 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -2706,8 +2706,11 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
2706 if (!drm_core_check_feature(dev, DRIVER_MODESET)) 2706 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2707 return -EINVAL; 2707 return -EINVAL;
2708 2708
2709 /* For some reason crtc x/y offsets are signed internally. */ 2709 /*
2710 if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) 2710 * Universal plane src offsets are only 16.16, prevent havoc for
2711 * drivers using universal plane code internally.
2712 */
2713 if (crtc_req->x & 0xffff0000 || crtc_req->y & 0xffff0000)
2711 return -ERANGE; 2714 return -ERANGE;
2712 2715
2713 drm_modeset_lock_all(dev); 2716 drm_modeset_lock_all(dev);