ref_and_mask_sdma6 669 drivers/gpu/drm/amd/amdgpu/amdgpu.h u32 ref_and_mask_sdma6; ref_and_mask_sdma6 286 drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c .ref_and_mask_sdma6 = GPU_HDP_FLUSH_DONE__RSVD_ENG4_MASK,