tests/kms_plane_scaling: test scaler with clipping clamping, v3.

This patch adds subtest to test scaler clipping and clamping
scenario.

Changes since v1:
- Modify test to work with the changes to kms_plane_scaling. (Maarten)
Changes since v2:
- Use get_num_scalers() to skip when needed.

Signed-off-by: Jyoti Yadav <jyoti.r.yadav@intel.com>
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
1 file changed