io/drm/i915_irq.c

143 		return PIPEBSTAT;
255 	error->pipebstat = I915_READ(PIPEBSTAT);
309 	u32 pipeb_stats = I915_READ(PIPEBSTAT);
360 		DRM_DEBUG("PIPEBSTAT: 0x%08x\n",
539                 pipeb_stats = I915_READ(PIPEBSTAT);
553                 I915_WRITE(PIPEBSTAT, pipeb_stats);
967 	I915_WRITE(PIPEBSTAT, 0);
1011 	I915_WRITE(PIPEBSTAT, I915_READ(PIPEBSTAT) & 0x8000ffff);
1013         (void) I915_READ(PIPEBSTAT);
1043 	I915_WRITE(PIPEBSTAT, 0);
1048 	I915_WRITE(PIPEBSTAT, I915_READ(PIPEBSTAT) & 0x8000ffff);