CHROMIUM: drm/i915: Allow content protection to be set via legacy ioctl

Instead of using atomic + modeset, allow legacy property set ioctl to
immediately enable content protection.

Change-Id: Ie738077263ba2972f1d94ea0a82d77fa26edc310
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/849086
Commit-Ready: Sean Paul <seanpaul@google.com>
Tested-by: Sean Paul <seanpaul@google.com>
Reviewed-by: Kristian H. Kristensen <hoegsberg@chromium.org>
2 files changed