drm2/i915/intel_display.c

947 		DRM_DEBUG_KMS("vblank wait timed out\n");
951  * intel_wait_for_vblank - wait for vblank on a given pipe
955  * Wait for vblank to occur on a given pipe.  Needed for various bits of
968 	/* Clear existing vblank status. Note this will clear any other
972 	 * that either function could miss a vblank event.  Here it is not
973 	 * fatal, as we will either wait upon the next vblank interrupt or
978 	 * Currently, the result of us stealing a vblank from the irq
984 	/* Wait for vblank interrupt bit to set */
988 		DRM_DEBUG_KMS("vblank wait timed out\n");
996  * After disabling a pipe, we can't wait for vblank in the usual way,
997  * spinning on the vblank interrupt status bit, since we won't actually
1801  * Will wait until the pipe is actually running (i.e. first vblank) before
3405 	 * away (as if the pipe is off) instead of waiting for vblank. As soon
3406 	 * as the first vblank happened, everything works as expected. Hence just
3407 	 * wait for one vblank before returning to avoid strange things
3482 	 * away (as if the pipe is off) instead of waiting for vblank. As soon
3483 	 * as the first vblank happened, everything works as expected. Hence just
3484 	 * wait for one vblank before returning to avoid strange things
6345 	/* and commit changes on next vblank */
6370 	/* and commit changes on next vblank */
7101 	/* Ignore early vblank irqs */
8000 		 * are later needed by vblank and swap-completion
9466 		u32 vblank;
9516 		error->pipe[i].vblank = I915_READ(VBLANK(cpu_transcoder));
9540 		seq_printf(m, "  VBLANK: %08x\n", error->pipe[i].vblank);