mmBIF_DOORBELL_GBLAPER2_UPPER_DEFAULT 2323 drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_6_1_default.h #define mmBIF_DOORBELL_GBLAPER2_UPPER_DEFAULT                                    0x0000087c
mmBIF_DOORBELL_GBLAPER2_UPPER_DEFAULT 14719 drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_7_0_default.h #define mmBIF_DOORBELL_GBLAPER2_UPPER_DEFAULT                                    0x0000087c