drm/amdgpu/display: fix the build without CONFIG_DRM_AMD_DC_DSC_SUPPORT

Some code was missing the CONFIG_DRM_AMD_DC_DSC_SUPPORT guard.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2019-07-26 11:04:39 -05:00
commit d3b9f39d84