WDOORBELL32       289 drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
WDOORBELL32      2570 drivers/gpu/drm/radeon/radeon.h #define WDOORBELL32(index, v) cik_mm_wdoorbell(rdev, (index), (v))