From: Ville Syrjälä <[email protected]>

This patch has been added to the 3.18 stable tree. If you have any
objections, please let us know.

===============

[ Upstream commit 840a1cf0cd533f30da792527ca5ff6a023d4a727 ]

The legcy colorkey ioctls are only implemented for sprite planes, so
reject the ioctl for primary/cursor planes. If we want to support
colorkeying with these planes (assuming we have hw support of course)
we should just move ahead with the colorkey property conversion.

Testcase: kms_legacy_colorkey
Cc: Tommi Rantala <[email protected]>
Cc: [email protected]
Reference: 
http://mid.gmane.org/ca+ydwtr+bco7lj44jfmukvrx144udfgos+ajtfk6khtvbdv...@mail.gmail.com
Reported-and-tested-by: Tommi Rantala <[email protected]>
Signed-off-by: Ville Syrjälä <[email protected]>
Reviewed-by: Daniel Vetter <[email protected]>
Signed-off-by: Jani Nikula <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 drivers/gpu/drm/i915/intel_sprite.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c 
b/drivers/gpu/drm/i915/intel_sprite.c
index 07a74ef..4edebce 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1178,7 +1178,7 @@ int intel_sprite_set_colorkey(struct drm_device *dev, 
void *data,
        drm_modeset_lock_all(dev);
 
        plane = drm_plane_find(dev, set->plane_id);
-       if (!plane) {
+       if (!plane || plane->type != DRM_PLANE_TYPE_OVERLAY) {
                ret = -ENOENT;
                goto out_unlock;
        }
@@ -1205,7 +1205,7 @@ int intel_sprite_get_colorkey(struct drm_device *dev, 
void *data,
        drm_modeset_lock_all(dev);
 
        plane = drm_plane_find(dev, get->plane_id);
-       if (!plane) {
+       if (!plane || plane->type != DRM_PLANE_TYPE_OVERLAY) {
                ret = -ENOENT;
                goto out_unlock;
        }
-- 
2.1.0

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