TRANS_ENABLE
enabled = !!(val & TRANS_ENABLE);
intel_de_write(display, reg, val | TRANS_ENABLE);
intel_de_rmw(display, reg, TRANS_ENABLE, 0);
if ((intel_de_read(display, PCH_TRANSCONF(pipe)) & TRANS_ENABLE) == 0)
val = TRANS_ENABLE;
intel_de_rmw(display, LPT_TRANSCONF, TRANS_ENABLE, 0);
if ((intel_de_read(display, LPT_TRANSCONF) & TRANS_ENABLE) == 0)
if (vgpu_vreg(vgpu, offset) & TRANS_ENABLE)