amdgpu/dce11: Add test for crtc < 0 to various DCEv11 functions

To be consistent with other DCE11 functions test for crtc < 0.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tom St Denis 2015-12-15 13:03:43 -05:00 • committed by Alex Deucher
commit 15c3277ff6