mmBIF_VDDGFX_GFX4_UPPER_DEFAULT 2308 drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_6_1_default.h #define mmBIF_VDDGFX_GFX4_UPPER_DEFAULT                                          0x0003f1fc
mmBIF_VDDGFX_GFX4_UPPER_DEFAULT 14704 drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_7_0_default.h #define mmBIF_VDDGFX_GFX4_UPPER_DEFAULT                                          0x0003f1fc