SI_CRTC3_REGISTER_OFFSET  128 drivers/gpu/drm/amd/amdgpu/si_enums.h #define SI_CRTC3_REGISTER_OFFSET                0x2900
SI_CRTC3_REGISTER_OFFSET 1997 drivers/gpu/drm/amd/amdgpu/sid.h #define SI_CRTC3_REGISTER_OFFSET                0x2900 //(0x111f0 - 0x6df0)/4