drm/amdgpu/display: fix warning when CONFIG_DRM_AMD_DC_DCN is not set

dm_dcn_crtc_high_irq() is only used when CONFIG_DRM_AMD_DC_DCN is set.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2019-11-08 11:22:57 -05:00
commit b82197450c