DPFR_GATING_DIS 512 drivers/gpu/drm/i915/display/intel_display.c I915_READ(CLKGATE_DIS_PSL(pipe)) | DPFR_GATING_DIS); DPFR_GATING_DIS 515 drivers/gpu/drm/i915/display/intel_display.c I915_READ(CLKGATE_DIS_PSL(pipe)) & ~DPFR_GATING_DIS); DPFR_GATING_DIS 6410 drivers/gpu/drm/i915/display/intel_display.c u32 mask = DPF_GATING_DIS | DPF_RAM_GATING_DIS | DPFR_GATING_DIS;