ACK_INT_EN 305 drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c tmp = REG_SET_FIELD(tmp, BIF_BX_PF0_MAILBOX_INT_CNTL, ACK_INT_EN, ACK_INT_EN 504 drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c tmp = REG_SET_FIELD(tmp, MAILBOX_INT_CNTL, ACK_INT_EN,