EVERGREEN_GRPH_DEPTH_16BPP 2138 drivers/gpu/drm/amd/amdgpu/sid.h #define EVERGREEN_GRPH_DEPTH_16BPP               1
EVERGREEN_GRPH_DEPTH_16BPP   64 drivers/gpu/drm/radeon/evergreen_reg.h #       define EVERGREEN_GRPH_DEPTH_16BPP               1