C_000170_AGP_BASE_ADDR 520 drivers/gpu/drm/radeon/r100d.h #define C_000170_AGP_BASE_ADDR 0x00000000 C_000170_AGP_BASE_ADDR 90 drivers/gpu/drm/radeon/r300d.h #define C_000170_AGP_BASE_ADDR 0x00000000