r100_mm_wreg     2516 drivers/gpu/drm/radeon/radeon.h #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v), false)
r100_mm_wreg     2517 drivers/gpu/drm/radeon/radeon.h #define WREG32_IDX(reg, v) r100_mm_wreg(rdev, (reg), (v), true)