mmBIF_VDDGFX_GFX4_LOWER_DEFAULT 2307 drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_6_1_default.h #define mmBIF_VDDGFX_GFX4_LOWER_DEFAULT                                          0xc003ec00
mmBIF_VDDGFX_GFX4_LOWER_DEFAULT 14703 drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_7_0_default.h #define mmBIF_VDDGFX_GFX4_LOWER_DEFAULT                                          0xc003ec00