HPD0_REGISTER_OFFSET   47 drivers/gpu/drm/amd/amdgpu/cikd.h #define HPD0_REGISTER_OFFSET                 (0x1807 - 0x1807)
HPD0_REGISTER_OFFSET   63 drivers/gpu/drm/amd/amdgpu/vid.h #define HPD0_REGISTER_OFFSET                 (0x1898 - 0x1898)