drm/amdgpu/display: check if fbc is available in set_static_screen_control (v2)

The value is dependent on whether fbc is available.

v2: only check if num_pipes is valid

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2018-11-02 10:51:50 -05:00
commit 593f79a236