drm/exynos: s3c6410_g3d/g2d: Support non-blocking fence query

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
drm/exynos: s3c6410_g3d: Hack up some basic BO synchronization

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
drm/exynos: s3c6410_g3d: Allow operation without color buffer

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
drm/exynos: s3c6410_g3d: Provide cpu_fini ioctl

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
drm/exynos: s3c6410_g3d: Update GEM texture timestamp of FBs

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
drm/exynos: s3c6410_g3d: Do not flush pipeline on empty submits

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>