276 		DRM_ERROR("failed to reserve buffer after flip\n");  in radeon_unpin_work_func()
323 	 * know the flip will complete at leading edge of the upcoming real  in radeon_crtc_handle_vblank()
326 	 *  == inside real vblank, the flip will complete almost immediately.  in radeon_crtc_handle_vblank()
330 	 * but the flip still gets programmed into hw and completed during  in radeon_crtc_handle_vblank()
331 	 * vblank, leading to a delayed emission of the flip completion event.  in radeon_crtc_handle_vblank()
342 		/* crtc didn't flip in this target vblank interval,  in radeon_crtc_handle_vblank()
343 		 * but flip is pending in crtc. Based on the current  in radeon_crtc_handle_vblank()
345 		 * (nearly) complete and the flip will (likely)  in radeon_crtc_handle_vblank()
356  * radeon_crtc_handle_flip - page flip completed
361  * Called when we are sure that a page flip for this crtc is completed.
400  * radeon_flip_work_func - page flip framebuffer
404  * Wait for the buffer object to become idle and do the actual page flip
437 			DRM_ERROR("failed to wait on page flip fence (%d)!\n", r);  in radeon_flip_work_func()
439 		/* We continue with the page flip even if we failed to wait on  in radeon_flip_work_func()
449 	 * targeted by the flip. Always wait on pre DCE4 to avoid races with  in radeon_flip_work_func()
450 	 * flip completion handling from vblank irq, as these old asics don't  in radeon_flip_work_func()
470 	/* do the flip (mmio) */  in radeon_flip_work_func()
519 	DRM_DEBUG_DRIVER("flip-ioctl() cur_rbo = %p, new_rbo = %p\n",  in radeon_crtc_page_flip_target()
524 		DRM_ERROR("failed to reserve new rbo buffer before flip\n");  in radeon_crtc_page_flip_target()
533 		DRM_ERROR("failed to pin new rbo buffer before flip\n");  in radeon_crtc_page_flip_target()
589 		DRM_DEBUG_DRIVER("flip queue: crtc already busy\n");  in radeon_crtc_page_flip_target()