drm/tegra: plane: Implement zpos plane property for older Tegras
authorDmitry Osipenko <digetx@gmail.com>
Fri, 4 May 2018 14:39:59 +0000 (17:39 +0300)
committerThierry Reding <treding@nvidia.com>
Thu, 17 May 2018 12:08:44 +0000 (14:08 +0200)
commit3dae08bc076b93487ed2df50bcfa892113e89d9d
treeddbb3a4b0de1dca357b921ff037aedaea72a59bf
parentacc6a3a9afdd4e0537342012656cdb5c4a3127c5
drm/tegra: plane: Implement zpos plane property for older Tegras

Older Tegra's do not support plane's Z position handling in hardware,
but the hardware provides knobs to implement it in software.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
drivers/gpu/drm/tegra/dc.c
drivers/gpu/drm/tegra/plane.c
drivers/gpu/drm/tegra/plane.h