BLC_PWM_CPU_CTL 547 drivers/gpu/drm/i915/display/intel_panel.c return I915_READ(BLC_PWM_CPU_CTL) & BACKLIGHT_DUTY_CYCLE_MASK; BLC_PWM_CPU_CTL 618 drivers/gpu/drm/i915/display/intel_panel.c tmp = I915_READ(BLC_PWM_CPU_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK; BLC_PWM_CPU_CTL 619 drivers/gpu/drm/i915/display/intel_panel.c I915_WRITE(BLC_PWM_CPU_CTL, tmp | level); BLC_PWM_CPU_CTL 2191 drivers/gpu/drm/i915/gvt/handlers.c MMIO_D(BLC_PWM_CPU_CTL, D_ALL);