Android n preview 1
drm_hwcomposer: Convert to upstream DRM atomic interfaces

drm_hwcomposer is currently using preliminary version of the atomic API.
The final version merged upstream is slightly different. Convert it to the
upstream API.

The most significant change is positive return values for
drmModeAtomicAddProperty are not a failure, so we need to test for
negative return values instead of non-zero.

BUG=none
TEST=Tested with 4.4 kernel on virtio-gpu and freedreno

Change-Id: I0b1f4bcd7766a3053a484f55e01c8b2ba56d716d
Signed-off-by: Rob Herring <robh@kernel.org>
1 file changed