9  * Try to transition the preemption state from old to new. Return
22  * Force the preemption state to the specified state.  This is used in cases
30 	 * preemption or in the interrupt handler so barriers are needed  in set_preempt_state()
90 	DRM_DEV_ERROR(dev->dev, "%s: preemption timed out\n", gpu->name);  in a5xx_preempt_timer()
94 /* Try to trigger a preemption switch */
106 	 * Serialize preemption start to ensure that we always make  in a5xx_preempt_trigger()
113 	 * Try to start preemption by moving from NONE to START. If  in a5xx_preempt_trigger()
114 	 * unsuccessful, a preemption is already in flight  in a5xx_preempt_trigger()
128 		 * Its possible that while a preemption request is in progress  in a5xx_preempt_trigger()
152 	/* Set the address of the incoming preemption record */  in a5xx_preempt_trigger()
158 	/* Start a timer to catch a stuck preemption */  in a5xx_preempt_trigger()
161 	/* Set the preemption state to triggered */  in a5xx_preempt_trigger()
167 	/* And actually start the preemption */  in a5xx_preempt_trigger()
185 	/* Delete the preemption watchdog timer */  in a5xx_preempt_irq()
197 		DRM_DEV_ERROR(dev->dev, "%s: Preemption failed to complete\n",  in a5xx_preempt_irq()
211 	 * Try to trigger preemption again in case there was a submit or  in a5xx_preempt_irq()
226 	/* No preemption if we only have one ring */  in a5xx_preempt_hw_init()
242 	/* Reset the preemption state */  in a5xx_preempt_hw_init()
280 	/* Set up the defaults on the preemption record */  in preempt_init_ring()
310 	/* No preemption if we only have one ring */  in a5xx_preempt_init()
318 			 * set nr_rings to 1 to force preemption off  in a5xx_preempt_init()